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ACTA<br />
FACULTATIS<br />
EDUCATIONIS<br />
PHYSICAE<br />
UNIVERSITATIS<br />
COMENIANAE<br />
PUBLICATIO LII/I<br />
2012
ACTA FACULTATIS EDUCATIONIS PHYSICAE<br />
UNIVERSITATIS COMENIANAE<br />
PUBLICATIO LII/I<br />
Executive Editor<br />
Editorial Assistant<br />
Editorial Board<br />
Scientific Board<br />
Reviewers<br />
Language revision<br />
of the manuscript<br />
Info<br />
Assoc. Prof. PaedDr. Oľga Kyselovičová, PhD.<br />
Mgr. Angela Barineková<br />
Prof. PhDr. Jela Labudová, PhD.<br />
Assoc. Prof. MUDr. Jana Lipková, PhD.<br />
Assoc. Prof. PaedDr. Dušan Kutlík, PhD.<br />
Prof. PhDr. Josef Oborný, PhD.<br />
Assoc. Prof. PaedDr. Vladimír Přidal, PhD.<br />
Assoc. Prof. PaedDr. Jaromír Sedláček, PhD.<br />
Assoc. Prof. Marián Vanderka, PhD.<br />
Prof. Dragan Milanovič, PhD. – Faculty of Kineziology, University of Zagreb<br />
Prof. Dr. József Tihanyi, Ph.D. – Faculty of Physical Education and Sport Science,<br />
Semmelweis University, Budapest<br />
Prof. Kenneth Hardman, PhD. – University of Worcester<br />
Prof. PhDr. Hana Valková, CSc. – Faculty of Physical Culture, Palacký University<br />
in Olomouc<br />
Prof. PaedDr. Ján Junger, PhD. – Faculty of Sport, University of Prešov in Prešov<br />
Prof. PaedDr. Ľudmila Jančoková, CSc. – Faculty of Humanities, Matej Bel<br />
University in Banská Bystrica<br />
Assoc. Prof. PhDr. Dušan Tomajko, CSc. – Faculty of Physical Culture, Palacký<br />
University in Olomouc<br />
Prof. PhDr. Michal Charvát, CSc. – Faculty of Spors Studies, Masaryk University<br />
in Brno<br />
Mgr. Ján Cvečka, PhD.<br />
Assoc. Prof. PaedDr. Oľga Kyselovičová, PhD.<br />
Assoc. Prof. MUDr. Janka Lipková, PhD.<br />
Mgr. Peter Schickhofer, PhD.<br />
PaedDr. Igor Tóth<br />
Assoc. Prof. PaedDr. Ludmila Zapletalová, PhD.<br />
Mgr. Helena Rychtáriková<br />
kyselovicova@fsport.uniba.sk; barinekova@fsport.uniba.sk<br />
© Comenius University in Batislava, 2012<br />
Požiadavky na výmenu adresujte:<br />
All correspondence and exchange requests should be addressed:<br />
ISBN 978-80-223-3229-3<br />
Knižnica Fakulty telesnej výchovy a športu UK<br />
(Library of Faculty of Physical Education and Sports)<br />
Nábr. arm. gen. L. Svobodu 9,<br />
814 69 BRATISLAVA<br />
Slovakia
Contents<br />
3<br />
CONTENTS<br />
THE SUBJECTIVE EXERCISE EXPERIENCES AND AESTHETIC ACTIVITIES<br />
Durdica Miletic ................................................................................................................. 5<br />
ANALYZE OF SPORT TALENT SELECTION SYSTEMS<br />
Martin Sebera, Jaromír Sedláček ................................................................................... 13<br />
WEIGHTED SQUAT TRAINING WITH AND WITHOUT COUNTER MOVEMENT<br />
FOR STRENGTH AND POWER DEVELOPMENT<br />
Marián Vanderka, Adrián Novosád ............................................................................... 21<br />
DIFFERENCES IN GAME PERFORMANCE PARAMETERS OF WINNING<br />
AND LOSING ICE-HOCKEY TEAMS<br />
Miroslav Huntata, Ludmila Zapletalová ........................................................................ 29<br />
ASSESSMENT OF PEDALLING TECHNIQUES ON A BICYCLE DEPENDING<br />
ON INTENSITY OF TRAINING LOAD<br />
Juraj Karas ....................................................................................................................... 41<br />
EFFECTS OF THE QUALITY OF SELECTED KINDS OF GAME SKILLS<br />
OF AN INDIVIDUAL ON THE SET OUTCOME IN MEN’S TOP-LEVEL<br />
VOLLEYBALL<br />
Vladimír Přidal, Jaroslav Hančák .................................................................................. 49<br />
LIFE SATISFACTION OF SEDENTARY AND PHYSICALLY ACTIVE<br />
POPULATION<br />
Dagmar Nemček, Jela Labudová, Stanislav Kraček ..................................................... 61<br />
BIOMECHANICAL ANALYSIS OF INTRODUCTORY EXERCISES SWING<br />
IN VAULTING RIDING<br />
Martin Vaváček, Marek Hardoň, Anton Lednický ....................................................... 73<br />
All content of the articles is also available on the:<br />
http://www.fsport.uniba.sk/index.php?id=2727<br />
Celý obsah príspevkov je dostupný na:<br />
http://www.fsport.uniba.sk/index.php?id=2727<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
The subjective exercise experiences and aesthetic activities<br />
5<br />
THE SUBJECTIVE EXERCISE EXPERIENCES<br />
AND AESTHETIC ACTIVITIES<br />
Durdica Miletic<br />
Faculty of Kinesiology, University of Split, Croatia<br />
Summary: The investigation was conducted in order to provide evidence of reliability and<br />
validity of the Subjective Exercise Experiences Scale (SEES) and identify the differences in<br />
SEES subscales before and after physical activity in a group of university students involved in<br />
aesthetic (N = 69) and non-aesthetic (N = 67) activities. The internal consistency (Cronbach<br />
alpha coefficient) of the items assigned to each of the three SEES subscales were high and<br />
satisfactory (0.83 to 0.85). According to post-hoc Fisher LSD test, the significant differences<br />
in SEES subscales among groups were found in Fatigue and Positive Well-Being (PWB) and<br />
depended t-test showed significant differences before and after physical activity in PWB only in<br />
aesthetic group. Opposite of the general opinion that male students do not enjoy aesthetic<br />
movement classes, the results suggested that those classes affect them in a positive way. It is<br />
possible that music increased emotionally experienced activity and contributed to better physical<br />
well being. This is the first research that has reported subjective exercise experience effects of<br />
aesthetic activities on male student population.<br />
Key words: well being, male students, PE curriculum<br />
Introduction<br />
Many studies appoint the psychological benefits of exercise (North, McCullagh & Tran,<br />
1990; Plante & Rodine, 1990; Petruzzelo, Landers, Hatfield, Kubitz & Salazar, 1991) and<br />
measures for global psychological responses to the stimulus properties of exercise were<br />
constructed (Mc Auley & Courneya, 1994). However, the influence of various styles of<br />
activities, especially effects of aesthetic activities on male student’s population was not<br />
investigated yet.<br />
The psychological or mental health is generally acknowledged to comprise affective<br />
states or psychological distress (e.g., anxiety, depression, stress-related emotions) and psychological<br />
well being (Stewart & King, 1991; Leight & Tailor, 1990). Well-known measures<br />
for assessing both negative and positive affective states are Profile and Mood States – POMS<br />
designed by McNair, Lor, & Droppleman (1971); the Positive and Negative Affect Schedule<br />
– PANAS, investigated by Watson, Clark, & Tellegan (1988); Feeling Scale – FS, by Rejeski,<br />
Best, Griffith & Kenney (1987); and Subjective Exercise Experiences Scale – SEES designed<br />
by Mc Auley & Courneya (1994). The latest measure, Subjective Exercise Experiences Scale<br />
(SEES), was chosen for current investigation because of relative shortness in final version<br />
and the way in which the initial construction of this measurement was made. The first 367<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
6<br />
Durdica Miletic<br />
items were taken from POMS, PANAS, MAACL (Zuckerman & Lubin, 1965) and Affect<br />
dictionary (Whissel et al, 1986). Later, 7 expert judges, all doctoral level researches in the<br />
area of psychosocial responses to exercise and physical activity, indicated the suitability for<br />
each item as a subjective experience likely to be positive or negative influenced by exercise<br />
participation. New 46 chosen items were identified by at least six of the seven judges. After<br />
that, 46 items were administrated to 454 university students enrolled in 13 physical activity<br />
classes. Factor analysis emerged three-factor structures: Positive Well-Being (PWB); Psychological<br />
Distress (PD) and Fatigue (F) aspects of the exercise experience. According to these<br />
results, authors reduced the final SEES scale on 12 items (four items that had the strongest<br />
loadings on each factor).<br />
In aesthetic activities (e. g. rhythmic gymnastics, dances, figure skating, synchronized<br />
swimming) expression is considered to be an ability of performance in which the idea of the<br />
choreography is transferred. Successful transfer of artistic values from choreographer to the<br />
performer is not possible without subjective experience of movement. Emotions are the basis<br />
of expressive performance and can only be expressed through an inspired body movement.<br />
Therefore, in aesthetic activities, it is of great importance to analyse the subjective exercise<br />
experience because it is assumed that the emotionally experienced activity will dominate<br />
in the expressive performance. Studies of male students involved in aesthetic activities have<br />
increased lately (Bozanic and Miletic, 2011; Di Cagno et al., 2008; Sebic-Zuhric, Rado &<br />
Bonacin, 2007) but this is the first research that has reported subjective experience of aesthetic<br />
activities among male students.<br />
The aim of the present research was to: (1) provide evidence of reliability and validity<br />
of the SEES; (2) identify the differences in SEES subscales in group of university students<br />
involved in aesthetic and non-aesthetic activities; (3) identify possible changes in SEES<br />
subscale before and after aesthetic and non-aesthetic physical activity.<br />
Methods<br />
One hundred and thirty six students of physical education and sport (mean age 21.81;<br />
range 19 – 24) from Bosnia and Herzegovina and Croatia participated in this study. The subjects<br />
were divided in two groups according to classes they attended in aesthetic (n = 69) and nonaesthetic<br />
(n = 67) group. The aesthetic (AES) course was the first level course consisted<br />
of basis rhythmic gymnastics elements with and without apparatus, rope composition, basic<br />
steps and simple choreographies of folk and social dances. The participants in non–aesthetic<br />
(NON-AES) group were involved in track and field activities (running, jumping, throwing,<br />
etc). At the beginning of the study, the subjects were asked to complete a questionnaire<br />
where details of their current and previous training experience were collected. Sport-statusquestionnaire<br />
(Miletic et al., 2007) analyses issues regarding subjects' previous experience<br />
of (a) type of sport and exercise activities, and (b) number of years of participation. Of the<br />
69 subjects included in AES group, 4 had prior experience in aesthetic activities (3 in folk<br />
dances and one in artistic gymnastics, no longer than 4 years).<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
The subjective exercise experiences and aesthetic activities<br />
7<br />
SEES is a questionnaire developed by McAuley and Courneya (1994) for the assessment<br />
of psychological responses to exercise. Final version of the questionnaire has 12 items chosen<br />
to assess three-aspects of exercise experience: Positive Well-Being (PWB); Psychological<br />
Distress (PD) and Fatigue (F). Subjects were asked to complete the SEES questionnaire by<br />
circling the number on a seven-point scale (with 1 I feel not at all; 4 I feel moderate and 7 I<br />
feel very much so) next to each item (great, awful, drained, positive, crummy, exhausted,<br />
strong, discouraged, fatigued, terrific, miserable, and tired) to indicate the degree to which<br />
they are experiencing each feeling at a certain point of time. Scores were collected prior to<br />
exercise and after a vigorous exercise bout.<br />
Data analysis<br />
Several specific analyses were conducted in accordance with the research aims. First,<br />
factor analysis (principal components) was conducted among 12 questionnaire items to achieve<br />
latent structure of SEES among university students. Reliability analysis was applied to alpha<br />
coefficients. Homogeneity for each scale was determined by factor analysis using principal<br />
components analysis with Varimax rotation and Gutmann-Kaiser's criteria for Eigen-values.<br />
Next, a multivariate analysis of variance (one-way MANOVA) with the post-hoc Fisher LSD<br />
test was used to test the differences in three dimensions of SEES between the aesthetic and<br />
non-aesthetic group of subjects. T-test for dependent samples was used to determine the<br />
difference between groups before and after physical activity in Fatigue, Positive well being<br />
and Psychological distress.<br />
Results<br />
In accordance with the first aim of investigation, principal factor analysis with varimax<br />
rotation (Table 1 and Table 2) was conducted. This analysis emerged thee-factor structure.<br />
These factors explained 69.05 % of the total variance. The first factor corresponded to the<br />
Fatigue and contained four items, explained 45.27 % of the variance (Table 2). The second<br />
factor corresponded to the Positive well being and explained 13.76 % of variance. The third<br />
factor (Psychological distress) explained 10.02 % of variance. All three factors were contained<br />
of four items. All of the 12 items (Table 1) had notable loadings on one of four factors (greater<br />
than .62). The internal consistency of the items assigned to each of the three SEES subscales<br />
was examined by separate reliability analyses on each subscale. An inspection of Table 2<br />
indicates that internal consistency (Cronbach alpha coefficient) was high (.83 for the first<br />
and third factor and .85 for the second factor).<br />
To identify the differences in SEES subscales for aesthetic and non-aesthetic group,<br />
a multivariate analysis of variance (one-way MANOVA) with the post-hoc Fisher LSD test<br />
was used (Table 3). There was a significant multivariate effect (F = 8.14; p < 0.00) meaning<br />
that the set of composites can significantly discriminate the groups. To investigate which<br />
dependent variables contribute to the significant effect, post-hoc Fisher LSD test was<br />
performed (Table 3). The results show that aesthetic group had significantly higher values<br />
in F (10.3) and PWB scale (20.9) than non-aesthetic group for F (9.1) and PWB (18.2) scale.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
8<br />
Durdica Miletic<br />
Table 1<br />
Factor Analysis (principal components) of the Subjective Exercise Experiences Scale (SEES)<br />
Fatigue<br />
Total n = 136<br />
Positive<br />
well - being<br />
Psychological<br />
distress<br />
Exhausted -0,22 -0,80 -0,26<br />
Strong 0,31 0,33 0,74<br />
Crummy 0,80 0,12 0,13<br />
Fatigued -0,06 -0,74 -0,28<br />
Great 0,19 0,15 0,83<br />
Awful 0,62 0,09 0,42<br />
Tired -0,10 -0,74 -0,11<br />
Positive 0,08 0,14 0,74<br />
Miserable 0,90 0,12 0,10<br />
Drained -0,17 -0,87 -0,13<br />
Terrific 0,32 0,31 0,69<br />
Discouraged 0,74 0,25 0,29<br />
Table 2<br />
Summary statistics and reliability coefficients (Cronbach’s alpha) for each domain among<br />
university students ages 19 – 23<br />
SCALE<br />
Score<br />
range<br />
Mean SD Alpha<br />
Eigen<br />
value<br />
%<br />
of variance<br />
Fatigue 8-40 9.75 4.6 .83 5.43 45.27<br />
Positive well - being 6-24 19.6 5.1 .85 1.65 13.76<br />
Psychological distress 5-24 6.65 3.8 .83 1.20 10.02<br />
Table 3<br />
Descriptive statistics for each group of students and results of MANOVA analysis<br />
(Post –hoc Fisher LSD test)<br />
Fatigue*<br />
Positive<br />
well – being**<br />
Psychological<br />
distress<br />
Aesthetic group (n = 69) 10.3±4.7 20.9±5.3 7.1±4.2<br />
Non-aesthetic group (n = 67) 9.1±4.4 18.2±4.5 6.2±3.3<br />
Data expressed as mean ± SD.<br />
*Significant differences between aesthetic activity and non-aesthetic activity group; p < 0.05<br />
*Significant differences between aesthetic activity and non-aesthetic activity group; p < 0.01<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
The subjective exercise experiences and aesthetic activities<br />
9<br />
Figure 1<br />
T-test differences calculated before and after physical activity in fatigue (F),<br />
Positive well being (PMB) and Psychological distress (PD) for aesthetic and non aesthetic<br />
group separately<br />
*Denote significant differences<br />
T-test for depended samples was calculated before and after physical activity in Fatigue<br />
(F), Positive well being (PMB) and Psychological distress (PD) for aesthetic and non aesthetic<br />
group separately and is presented in Figure 1. The results in PWB were significantly higher<br />
after physical activity (Mean = 22.9) than before physical activity (Mean = 20.9) with aesthetic<br />
content. Significant differences before and after physical activity for PD and F in both groups<br />
and for PWB in non-aesthetic group were not found.<br />
Discussion<br />
In accordance with the first aim of investigation the evidence of reliability and validity<br />
of SEES were provided. The four-factor structure of SEES subscales obtained by Mc Auley<br />
& Courneya (1994) was repeated in this study. If we presume that construct validity<br />
as an association between the test scores and the prediction of a theoretical trait, the SEES<br />
questionnaire could be considered validated for stabile four-factor structure. However, any<br />
threats to the reliability (or consistency) of a test are also threats to its validity because a test<br />
cannot be said to be any more systematically valid than it is first systematic or consistent.<br />
According to Cronbach alpha coefficients, the internal consistency of SEES subscale was<br />
high and satisfactory, similar to those presented by Mc Auley & Courneya (1994). Obtained<br />
differences in initially collected data were significant for PWB and F in favour of aesthetic<br />
group. The mean pre-exercise scores (for PWB subscale) in this study for aesthetic group<br />
were higher than pre-exercise scores in study of Mc Auley & Courneya (1994), and lower<br />
in non-aesthetic group. The mean pre-exercise scores in aesthetic group for all three subscales<br />
(PWB, PD and F) were generally higher than in previous investigations. The mean scores<br />
obtained in non-aesthetic group were more coherent with previously obtained results. Nevertheless,<br />
the significant differences in PWB before and after exercise were noted in this study<br />
only in aesthetic group meaning that aesthetic contents in training effect positively on male<br />
students population. Consequently, the initially obtained differences between groups do not<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
10<br />
Durdica Miletic<br />
influence these changes in positive well-being sensation. Opposed to the general opinion<br />
that male students do not enjoy aesthetic movement classes, the results obtained suggested<br />
that those classes affect them in a positive way. The music was implemented in aesthetic group<br />
training. It is possible that music increased emotionally experienced activity and contributed<br />
to better physical well being. Previously, different authors already showed evidence that<br />
carefully selected music improves exercise performance (Atkinson et al., 2004; Elliott et al.,<br />
2004; Zachopoulou & Kostas, 2001; Szabo et al., 1999), elevates mood (Hayakawa et al.,<br />
2000) and reduces ratings of perceived exertion (Nethery, 2002; Potteiger et al., 2000).<br />
Musical characteristics and motivational response is highly complex, involving an<br />
interaction between musical, personal and contextual factors (Karageorghis et al. 1999).<br />
Priest & Karageorghis (2008) pointed out that rhythm, among all other music factors should<br />
be considered to be the main prerequisite when selecting a piece of music for exercise. The role<br />
of music in physical activity is commonly positive and complex and should be investigated<br />
hereafter. It is most likely that rhythm leads exercise participants to exert themselves at<br />
a higher intensity, causing more intensive sensation of fatigue after exercise followed with<br />
generally well-being subjective state. At the same time, aesthetic movement classes do not<br />
contribute to higher sensation of psychological distress. This founding is of great importance<br />
for aesthetic movement classes among university students while we continue to try to found<br />
exercise contents with positive effects and less stress as possible. If we accept the fact that<br />
the primary benefit in the physical education domain is the increase in students’ enjoyment,<br />
according to these results, aesthetic movement classes are suitable activity with positive<br />
effects on psychological well being for male students.<br />
Physical activity in general has always been stereotyped as gender-neutral, feminine or<br />
masculine, based on concepts of gender differences and opinions about the appropriateness<br />
of participation (Matteo, 1986; Bale & Goodway, 1987; Classens, Lefevre, Beunen & Malina,<br />
1999) and sport activities are often chosen because of masculinity and femininity rating. Those<br />
stereotypes and misconceptions could mislead us to avoid aesthetic activities in physical<br />
education curricula. As we already know (Bozanic & Miletic, 2011) male students aesthetic<br />
performance does not differ from that of the females given the same training. Along with<br />
results obtained in this study, they should be encouraged to participate in aesthetic activities.<br />
Conclusion<br />
We were of the opinion that the results obtained had an emphasizing scientific importance<br />
while the SEES stabile three-factor structure were yielded and subscales (Positive Well-Being;<br />
Psychological Distress, and Fatigue) were internally consistent, with respective loadings of<br />
four consisting items.<br />
Programming in physical education on university level should be socially constructed<br />
and co-educative designed to shape healthy and respected social environment. In this manner,<br />
aesthetic movement for male students should not be avoided. According to this investigation,<br />
male students involved in aesthetic activities showed greater amount of Positive well being<br />
than students involved in other non- aesthetic activities.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
The subjective exercise experiences and aesthetic activities<br />
11<br />
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25. WHISSEL, L. M., FOURNIER, M., PELLAND, R., WEIR, D. 1986. A dictionary of affect in language:<br />
IV. Reliability, validity, and applications. Perceptual and Motor Skills, 63,875-888.<br />
26. ZACHOPOULOU, E., KOSTAS,M. 2001. The Role of Rhythmic Ability on the Forehand Performance<br />
in Tennis. Physical Education & Sport Pedagogy, 6 (2): 117-126.<br />
27. ZUCKERMAN, M., LUBIN, B. 1965. Manual of the Multiple Affective Checklist revised. San Diego,<br />
CA : Educational and Industrial Testing Service.<br />
RESUMÉ<br />
SUBJEKTÍVNE HODNOTENIE ZÁŽITKU Z CVIČENIA<br />
V ZÁVISLOSTI OD ESTETIKY AKTIVITY<br />
Durdica Miletic<br />
Výskum bol zameraný na preukázanie platnosti a spoľahlivosti škály subjektívneho hodnotenia<br />
zážitku z cvičenia (SEES) a na určenie rozdielov medzi čiastkovými hodnoteniami pred<br />
a po cvičení v skupine študentov vysokých škôl zapojených v estetických (n = 69) a neestetických<br />
aktivitách (n = 67). Vnútorná konzistencia hodnotená Cronbachovým alfa koeficientom<br />
sledovaných ukazovateľov, pridelených ku každej z troch podškál, bola vysoká a uspokojivá<br />
(0,83 – 0,85). Podľa následného LSD Fisher testu boli nájdené významné rozdiely v podškálach<br />
(SEES) medzi skupinami v hodnotení únavy a pozitívnej pohody (PWB). T-testom pre<br />
závislé súbory boli preukázané významné rozdiely medzi vnímaním subjektívnej pohody<br />
pred a po fyzickej aktivite len v skupine s estetickými prvkami cvičenia. Naproti všeobecného<br />
názoru, že študenti mužského pohlavia nemajú pozitívne zážitky z estetických pohybových<br />
aktivít, výsledky naznačujú, že aktivity s estetickým charakterom ovplyvňujú ich<br />
subjektívne vnímanie pozitívnym spôsobom. Je pravdepodobne možné, že hudba zvýšila emocionálne<br />
vnímanie aktivity a prispela k lepšiemu vnímaniu fyzickej pohody. Ide o originálny<br />
pilotný výskum preukazujúci poznatky o subjektívne lepších zážitkoch z cvičenia s esteticky<br />
výraznejším charakterom na mužskej populácii.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Analyze of sport talent selection systems<br />
13<br />
ANALYZE OF SPORT TALENT SELECTION SYSTEMS<br />
Martin Sebera 1 , Jaromír Sedláček 2<br />
1 Faculty of Sport Studies Masaryk University, Brno, Czech Republic<br />
2 Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: In the contribution authors deal with review of some sport talent identification and<br />
selection systems which were applied in some countries that play important role in international<br />
sport movement during lest decades. There were two main systems of talent selections: USSR and<br />
GDR ways. Adjusting of any system mainly depended on quantity of countries´ population.<br />
As a most important seems factor of first talent identification (age precision), that is connected<br />
with the beginning of training in each sport. Next steps are connected with talent development<br />
and there are several phases of the process until international level can be reached. In conclusion<br />
authors suggest main principles of model sport talent selection.<br />
Key words: sport talent, talent selection, national systems, talent development<br />
Talent Identification is often regarded as the first step to become an international athlete.<br />
Common reasons for countries to blame the system of Talent Identification is to reach international<br />
performance level, gain number of medals, made successful champions.<br />
Talent detection refers to the discovery of potential performers who are currently not<br />
involved in the sport, as opposed to talent identification (TID) that refers to the process of<br />
recognizing current participants with the potential to become elite players (Williams, Reilly,<br />
2000). This process of talent detection and talent identification has to be followed concomitantly<br />
with the talent development program in order to direct those potential performers<br />
towards the sports to which they are most suited (Woodman, 1994).<br />
Thorough analysis of talent identification approaches from around the world has brought<br />
out plenty of special features either to follow or to dismiss. Ultimately, besides other important<br />
factors determining the TID approaches there was always one which kept overweighing all<br />
others by drastically changing the process, and by giving origin to the two quite opposite<br />
approaches to talent identification: Availability or absence of human resources talent<br />
selection.<br />
In other words, do we have statistically sufficient number of subjects to brush through<br />
in order to identify substantial number of talented children for the needs of the reserve and<br />
top performance sports? Accordingly, the choice of Talent Identification system in the first<br />
approximation could be as summarized in Table 1.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
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Martin Sebera – Jaromír Sedláček<br />
Table 1<br />
Options of TID system depending on the availability of human resources<br />
For the countries with unlimited /<br />
considerable human resources<br />
‘Bulk and numbers’ – few specific tests<br />
Natural selection at the early stage<br />
Coaches – selectors<br />
Scientists – assistants/observers<br />
Specific testing and assessment<br />
TID for one sport/event<br />
Decentralized, easy initial training<br />
For the countries with limited<br />
human resources<br />
Tailor made TID – comprehensive testing<br />
Scientific selection from the start<br />
Scientists – selectors<br />
Coaches - advisors<br />
General testing and assessment<br />
TID for group of sports<br />
Centralized training, boarding schools<br />
Historically and geographically number of approaches was developed on the scene of<br />
talent identification. They emerged in different countries in different times and were determined<br />
by number of ideological, social, financial and political factors. Talent Identification<br />
approaches (especially at the initial stage of training) differed from time to time and from<br />
country to country and can be described by listing brief characteristics and combinations<br />
of previously mentioned factors in the adopted system of talent identification. All over the<br />
world there can be described two opposite systems of talent selection approaches, who were<br />
influencing another countries and were historically introduced as a first at the end of 60-ies<br />
in last century: USSR (Union of Soviet Socialist Republics) and GDR (East Germany –<br />
German Democratic Republic) systems.<br />
USSR system was with practically unlimited human resources at hand, talent identification<br />
system especially at ‘detection’ level was not really scientific but rather relied more<br />
on ‘natural selection’ phenomenon. Although, there were basic fitness tests and respective<br />
fitness standards recommended for talent identification procedures, TID used to be specific,<br />
resembling natural selection, related more to casual ‘circulation’ of talent in and out within<br />
the group of novices, with new recruits periodically stepping in. Certainly, coaches were at<br />
lead, quite often combining the responsibilities of a coach and a physical education teacher.<br />
Well adjusted and governed by numerous normative documents and age vise fitness requirements,<br />
system of school Physical Education played significant role in the identification and<br />
development of a talent. Life style was socially relatively passive but there was good basic<br />
attitude to sport due to bright career opportunities through it.<br />
GDR system was quite opposite to the USSR one, though led by the same ideological<br />
motives, plus the unstoppable desire to beat West Germany in every field and especially in<br />
sports. With very limited human resources, TID system was general and based on scientific<br />
selection (related more to tests and measurements of basic motor qualities). Scientists were<br />
surely at lead, with coaches involved as assistants. Other features were well adjusted system<br />
of school Physical Education, active life style, good traditions of ‘sports for all family’ and<br />
good attitude to sport with bright career opportunities through achieving top performance in<br />
sports. It also featured widest possible promotion of the healthy life style, family values and<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Analyze of sport talent selection systems<br />
15<br />
family unity in and through sport and physical activities. This system was adjusted and<br />
followed by some East European countries like Czechoslovakia, or Bulgaria.<br />
According these two main kinds of talent selection systems were lately introduced<br />
systems in some other countries with their specific national features and mixtures. Practically<br />
every other national system of talent selection combined up to certain level these two systems<br />
that reflected also national specific features and traditions. From the point of the view of<br />
national centralized systems of talent selections introduced in the world can be mentioned<br />
some countries like China. Its system was with unlimited human resources, TID in China<br />
was specific, based largely on natural selection but with consequent comprehensive testing<br />
of all humanly possible contributing factors further down the line – genetically determined<br />
and acquired. Scientists played leading role, with coaches actively involved as well (more<br />
on USSR pattern). There is relatively well-adjusted system of school Physical Education,<br />
with good attitude to sport and career opportunities available through it.<br />
Through India national system with unlimited human resources and millions of parents<br />
willing to place their children in special sports schools and hostels, number of children usually<br />
reporting to be screened and tested was extremely huge. TID was general, reasonably scientific,<br />
with scientists and coaches almost equally responsible for the end product – identification<br />
of true talent. Although with unlimited human resources, it was a mixed GDR/USSR pattern.<br />
What made Indian system of TID quite sound was parity between coaches and scientists in<br />
the decision making. India besides well-adjusted system of Talent Identification used to run<br />
number of unique talent detection and talent development programs.<br />
Australian national model is based on general, scientific selection, with scientists at lead<br />
due to limited human resources (more on GDR pattern) on one hand and to well-developed<br />
segment of sports science on the other. Among other features are: well-adjusted system of<br />
school Physical Education, active life style and good attitude to sport. There can be also<br />
mentioned some other national systems like South Africa, Singapore, and Canada in of course<br />
in some European countries.<br />
Literature often states that at primary stages of talent identification it is preferable to<br />
observe harmonious physical development (Sedláček et al, 1994). If comprehensive testing<br />
is meant, than it is surely preferable, but if the search itself is aimed at ‘harmoniously physically<br />
developed’ children, another problem should be anticipated: children identified as talented<br />
would be well overall developed kids, but with no extraordinary qualities available with<br />
them whatsoever. In case a kid is selected by a coach for particular sports or event, which is<br />
recommended (Hoare, 1996), then development of the talent (read training) begins with all<br />
training means available with coach (i.e. general, auxiliary and specific) in certain recommended<br />
proportions. Leading role especially at the beginning of sports career would certainly<br />
be played by general and auxiliary exercises with specific training means present in lower<br />
proportions.<br />
Age precision<br />
Talent recognition is a continuous process, and in certain sports various stages of talent<br />
recognition happen at certain ages. So how accurate time vise should those stages be? East<br />
European concept of talent recognition operates with three tire TID procedures: initial talent<br />
identification, intermediate and final selection (Fisher, Borms, 1990; Platonov, 2002).<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
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Martin Sebera – Jaromír Sedláček<br />
Quite obviously most attention in international literature is paid to initial talent identification.<br />
Intermediate and final selection are neither well developed nor well described in<br />
the scientific literature. There are many discrepancies in the theory of talent identification.<br />
One of those discrepancies relates us with the age when athletes need to be exposed to the<br />
talent identification/talent selection practices. So the question comes: “How strict the age<br />
requirements should be at mentioned stages of talent identification/selection”? Apparently,<br />
while intermediate and final selections can well vary age wise, initial talent identification/<br />
detection has to happen with certain age precision. In other words, certain sports require<br />
children to begin training at particular age – neither earlier, nor later, but even here are<br />
some possibilities and expert different opinions (Table 2).<br />
Table 2<br />
Age options for various sports and age of the beginning of training<br />
(Fisher, Borms, 1990; Platonov, 2002)<br />
Less than 9 years 9 – 12 years More than 12 years<br />
Gymnastics, Tennis, Swimming, Football, Athletics, Fencing, Boxing, Rowing,<br />
Acrobatics , Table Tennis, Squash, Rugby, Cycling, Archery, Wrestling, Weightlifting,<br />
Diving, Wushu Hockey, Basketball, Badminton Judo<br />
Volleyball, W. Polo, Fencing<br />
Practically, it is expressed in reasonably simple logic sequence: Seven to eight years<br />
old children are only in the sphere of interest of the coaches belonging to gymnastics (artistic<br />
and rhythmic), acrobatics, diving and few more early specialized sports. Same kids are of<br />
no interest to coaches from any other game because it is too early for them to begin training<br />
in other sports. Similarly, ten years old children could be of interest to the games of football,<br />
volleyball, hockey, badminton etc. And, at this particular age same kids are of no interest to<br />
boxing, wrestling or weightlifting because training in those starts way later. They are at the<br />
same time completely gone case for gymnastics, acrobatics and diving because it is too late<br />
for them to join there. Sport talent must be picked at right age. Traditional age of recruitment<br />
to various sports differ a lot and being age-late at initial talent identification stage may cost<br />
a kid and his parents dear: they can well be losing the chance to join especially early age<br />
specialized sports.<br />
Initial Talent Identification and Development<br />
When the field is narrowed and talented children are retained in a sports specific environment,<br />
they step into the long term training through its first stage – Initial Training with<br />
certain recommended features, volumes of training and training contents (Table 3).<br />
Those features later materialize in particular distribution of loads among various components<br />
of training which have to be arranged in a way to provide selected children with<br />
multilateral training (Krasilshchikov, 2010) which is preferably implemented within sports<br />
specific environments. At the same time, they keep getting their portion of multilateral<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Analyze of sport talent selection systems<br />
17<br />
Table 3<br />
Recommended features of the Stage of Initial Training Stage<br />
Duration<br />
(years)<br />
1 – 2<br />
Age ranges<br />
(years)<br />
6 – 8<br />
9 – 11<br />
12 – 14<br />
Sessions per year Hours a week Session Duration<br />
120 – 130 3.5 – 6 1 – 1.5 hrs<br />
development, arranged and delivered to them through physical education classes at school.<br />
Children, who for whatever reason were not selected to practice any sports, keep getting<br />
their share of multilateral development in school physical education classes and wait for<br />
another chance to be identified as talent for other sports in another age group.<br />
And although Talent Development traditionally relates to development of a talent through<br />
sports, we introduce here for the first time the concept of Pre-Detection Talent Development.<br />
In which Talent Development begins way before the talent is in fact identified by coaches<br />
or sports scientists. Naturally, after talent is detected and placed in the chosen sports environment,<br />
begins what we suggest to term as Post-Detection Talent Development which has<br />
to result in the improvement of performance in the chosen sport.<br />
Advanced stages of Talent Identification<br />
Intermediate Talent Identification<br />
Next stage of Talent Identification, (which we suggest to term as Talent Confirmation)<br />
happens further down during the Stage of Basic Training. In different principle models<br />
available in TID practices, next stages are progressively more specialized in relation to the<br />
chosen sports. Intermediate Talent Identification, as usually called in East European models<br />
of TID and development is in fact talent confirmation and placement. Main question to answer<br />
is: whether potential of a child is sufficient to reach Junior National level. It means if he/she<br />
has no limiting factors in health, motor qualities, skills, psychological sphere etc.(Havlíček,<br />
1982; Harsányi, Martin, 1983; Sedláček et al 1994; Platonov, 2002; Moravec et al, 2004;<br />
Krasilshchikov et al, 2010;). In Western Models it sounds as directing athletes to the sports<br />
in which they are likely to succeed and pointing out inherent limitations in their capacity<br />
(Peltola, 1992; Williams, Reilly, 2000; Krasilshchikov et al, 2010; Woodman, 1985). Tests<br />
and measurements have to reflect both general and specific fitness. Similar to the initial<br />
talent identification battery of tests (for general fitness) could be retained with induction<br />
of some additional specific tests reflecting level of skills, gained during acquired training.<br />
Ratio of general and specific tests must be around 50 : 50. Basic tests along with progress<br />
assessment will give clear picture of improvement in motor qualities. Specific test results<br />
should be taken into consideration while clarifying the discipline and event for further training.<br />
Physiological tests are of great importance because of forthcoming period of increased loads<br />
& tougher training. Physiological tests - what event a person is inclined to functional systemswise<br />
(sprints / speed – strength / long distance events / endurance etc.). Rephrasing a bit – inter-<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
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Martin Sebera – Jaromír Sedláček<br />
mediate selection is sort of confirmation of initial talent identification. After intermediate<br />
selection is over selected children proceed to basic training.<br />
Final Talent Identification<br />
Roughly by the end of basic training after about 3 years of training coaches and selectors<br />
expect some sort of reasonably high performance at Junior State / National level. The age<br />
would vary depending on the event and will be in the range of 11 – 12 years for ‘young sports’,<br />
13 – 14 for ‘normal’ and 16 – 17 years for ‘old’ ones. At this age and with above experience<br />
in sport one should reach certain performance level. This round of Talent Development<br />
process we suggest to term as Talent Recognition/Orientation. Two major questions need<br />
to be answered at this stage of selection. The first one is: which event or game role/position<br />
within chosen sport is to be identified for further deep specialization? Another question is:<br />
whether an athlete possesses physical, technical, tactical, functional and psychological<br />
reserves, developed or inherited to reach International level of performance in seniors’ level?<br />
Thus, thorough examination of motor qualities, specific abilities and skills, physiological,<br />
psychological reserves as well as actual performance is highly advisable. The decision bares<br />
serious financial investments as well – especially in the countries where top performance<br />
sport is funded by the state, meaning, tax payers’ money involved. Tests should be of a very<br />
specific nature. Some of the tests though, should reflect general physical fitness as well.<br />
Ratio between general and specific tests reaches about 30:70. Moreover, general tests are<br />
selected only from among the contributing to the performance of the chosen event. Final<br />
decision has to be taken after obtaining the opinion of experts in respective events.<br />
When the final talent recognition is concluded and decisions approved, comes the time<br />
for the selected individuals to get into the stage of specialized training. And the main event<br />
for this specialized training has to be precisely identified at the described stage of talent<br />
recognition.<br />
What happens with a talent next is in fact Talent Development with more and more<br />
special training means and load increase of successfully performing athletes in a rather<br />
task (performance) oriented manner. It is occurring on periodical basis when best of the best<br />
need to be selected either to the camp, squad or a team.<br />
Those actually have nothing to do with talent identification as such, but are rather<br />
related to picking the right ones from among the best available for preparations to perform<br />
in particular high standard competitions.<br />
Conclusion<br />
Suggesting a new Principle Model of Talent Recognition<br />
Looking at the process of talent handling in the broader prospective, it looks logic to<br />
suggest certain changes to the traditional definition of ‘Talent Identification’ as such. And<br />
since Talent Identification is actually just a part of continuum, corresponding to a very<br />
particular stage in the much broader process, it seems right not to generalize it but to treat<br />
as a stage in the Talent Recognition process. Therefore, suggested multistage principle model<br />
of Talent Recognition may be presented as in Fig. 1.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Analyze of sport talent selection systems<br />
19<br />
Talent<br />
Detection<br />
Talent<br />
Identification<br />
Talent<br />
Confirmation<br />
Talent<br />
Recognition/<br />
Orientation<br />
Talent<br />
Development/<br />
Special Training<br />
Talent Development Model<br />
Figure 1<br />
Principle model of Talent Recognition<br />
Comprehensive Talent Development model should address the issues of:<br />
• Talent development through one sports (straight forward one early sport career)<br />
• Talent migration/transfer) in case original talent identification wasn’t successful (dual to<br />
multiple early sport career)<br />
• Talent retention/recycling (transfer of talent in later stages of sport career)<br />
References<br />
1. FISHER, R. J., BORMS, J. 1990. The Search for Sporting Exellence. Scherndorf : Hoffman Verlag.<br />
146 p.<br />
2. GLESK, P., HARSANYI, L. 1998. Výber talentov so zameraním na atletiku. Bratislava : SAZ,<br />
1998. ISBN 80-227-1155-1.<br />
3. HARSÁNYI, L., MARTIN, M. 1983. Zur Auswahl sportlicher Talente. In Leistungsport, 13(2),<br />
1983, p. 21-24.<br />
4. HAVLÍČEK, I. 1982. Systém športovej prípravy talentovanej mládeže. In Tréner (6), 1982, p.<br />
242-245.<br />
5. HOARE, D. 1996.Coaching Focus, The National Coaching Foundation. Talent Identification and<br />
Development: The Australian Talent Search Programme, 1996.<br />
6. KRASILSHCHIKOV, O, SEBASTIAN, PJ, MANILAL, KP, SAJU JOSEPH, VC. 1995. The<br />
system of Long-term training and selection of talented sports persons. NIS Scientific Journal.<br />
Vol. 18, No 2. p. 26-40.<br />
7. KRASILSHCHIKOV, O. 2010. Talent Identification and Development – International Trends<br />
and Principle Models. Buletin Kejurulatihan Majlis Sukan Negara Malaysia, 2010, p. 5-15. ISSN<br />
2180-3773.<br />
8. MORAVEC et al 2004. Teória a didaktika športu. Bratislava : FTVŠ UK a SVS TVŠ, 2004. 212 p.<br />
ISBN 80-89075-22-3.<br />
9. PELTOLA, E. 1992. Talent Identification an Overview. IAAF: 7(3), 7-12.<br />
10. PLATONOV, VN. 2002. Teoria General del Entrenamiento Deportivo Olimpico. Paidotribo Editorial,<br />
2002. 686 p.<br />
11. SEDLÁČEK, J. et al 1994. The Inffluence of the Political Changes on the High Performance Sport<br />
Organization in Czechoslovakia. In WILCOX, CR Sport in the Global Village. Fitness Information<br />
Technology, Inc., 1994,p. 341-347. ISBN 0-9627926-4-0.<br />
12. WILLIAMS, AM, REILLY, T. 2000. Talent identification and development in soccer. Journal of<br />
Sports Sciences: 18, 657-667.<br />
13. WOODMAN, L. 1985. Talent identification – Is competition enough. Sports Coach: 9(1), 49-57.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
20<br />
Martin Sebera – Jaromír Sedláček<br />
RESUMÉ<br />
ANALÝZA SYSTÉMOV VÝBERU TALENTOV NA ŠPORT<br />
Martin Sebera, Jaromir Sedláček<br />
V príspevku sa autori venujú vývoju systémov výberu športovo talentovanej mládeže, ktoré<br />
boli uplatnené v niektorých štátoch, ktoré zohrali v medzinárodnom športovom hnutí v posledných<br />
desaťročiach dôležitú rolu. Existovali dva hlavné systémy: systém ZSSR a NDR. Využitie<br />
každého systému sa odvíjalo hlavne od kvantity populačných zdrojov v tom či onom<br />
štáte. Ako najdôležitejší sa javí faktor prvej identifikácie talentu (vekové spresnenie), ktoré<br />
sa viaže na počiatočný tréning v každom športe. Ďalšie kroky vo výbere sú spojené s rozvíjaním<br />
talentu a celý proces má niekoľko fáz až po možné dosiahnutie medzinárodnej úrovne.<br />
V závere autori navrhujú hlavné princípy modelu výberu športových talentov.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Weighted squat training with and without counter movement for strength and power development<br />
21<br />
WEIGHTED SQUAT TRAINING<br />
WITH AND WITHOUT COUNTER MOVEMENT<br />
FOR STRENGTH AND POWER DEVELOPMENT<br />
Marián Vanderka, Adrián Novosád<br />
Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: The purpose of the study was to compare the effects of explosive squat training<br />
with and without counter movement. It was a time two- group parallel pedagogical experiment<br />
realized in 11 weeks, twice a week focused on frequency training. Thirty male subjects were<br />
divided into two groups (n = 15 per group). Experimental group (Ex) performed counter movement.<br />
No counter movement group (Ko) performed two-second stops in the bottom squat position.<br />
The subjects were physically active, but not highly trained students of the Faculty of PE and<br />
Sport, Comenius University in Bratislava, Slovakia. The strength training in both groups went<br />
through progressive from 3 to 6 sets of 6 repetitions of weighted explosive squats, intensities<br />
ranging variably between 50 – 70 % of 6RM. Six repetition maximum (6RM) of half squat,<br />
maximum power output (Pmean) in graded diagnostics series, a mean rate of force development<br />
(RFD) were tested pre- and post- training intervention. Significant pre-post differences in the<br />
improvements between groups were detected in favour of (Ex) group in the force gradient<br />
(RFD) measured in the period of 0-50 ms in the isometric mode at 90° squat in the knee joint<br />
(p < 0.05). Ex group achieved an increase in RFD (0-50) (mean ± SD) of 2.57 ± 2.50 N·s 1<br />
(60.8%, p < 0.01) from the average initial value of 3.96 to 6.54 N·s 1 . Ko group achieved an<br />
increase of 2.23 ± 2.40 (50.2 %, p < 0.01) from 4.73 to 7.10 N·s 1 . Pmean was not changed<br />
in pre- post testing significantly neither in Ko nor in Ex group. 6RM gained significant improvements<br />
(p < 0.05). Ex of 10.5 ± 5.8 kg (10.5%), Ko of 12.1 ± 5.9 kg (12.5%). It was concluded<br />
that improvement in maximum force was in both groups similar but non significant in power.<br />
Force gradient and strength may be accounted for by neural factors during the course of 11 weeks<br />
intensive strength training in both groups. More pronounce effects in force gradient can be<br />
reached by counter movement squatting without stopping in lowest position.<br />
Key words: strength training, power output, rate of force development, counter movement<br />
Introduction<br />
Muscular power is an important component of many athletic pursuits. However, there<br />
is much debate as to the most effective resistance strength training method to develop power.<br />
The key issues would seem to be which load expressed as a percentage of one repetition<br />
maximum (% 1RM) and which training technique best facilitates power and force gradient<br />
development.<br />
Many authors suggest that the optimal compromise between force and velocity for the<br />
development of maximum power and gradient is achieved at loads about 50% of maximum<br />
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Marián Vanderka – Adrián Novosád<br />
force and it is thought that the fast twitch fibres may be selectively activated during high<br />
velocity movements. When using light loads, high force levels are achieved only through a<br />
very small range of movement. Some training techniques aim at decreasing the deceleration<br />
phase by allowing the load to be projected as in a throw or a jump (Cronin et al., 2001).<br />
It may be important in developing power whether the athlete uses eccentric muscle<br />
action prior to concentric muscle action. Findings indicate that this type of training leads to<br />
greater rate of force development, higher peak bar velocities, higher accelerations achieved<br />
throughout the entire range of movement and increased work and power (Bosco et al.,<br />
1982).<br />
Previous studies proved the optimal effect of rapid eccentric phase in relative small range<br />
of motion 4 – 5 %. The elastic properties of activated muscle-tendon system and reflexes<br />
are useful only in this case for the increasing production of force and power (Bosco et al.,<br />
1982, Häkkinen et al., 1986).<br />
While studies have examined the effect of load, speed of movement (Newton et al., 1996)<br />
and contraction type, some of them find out differences of strength parameters at various of<br />
exercises tempos (Cronin et al., 2001; Pryor et al, 2011). Only a few studies have examined<br />
the training effects of strengthening with or without eccentric breaking in a single research<br />
paradigm (Naruhiro et al, 2008).<br />
Therefore the purpose of our study was to compare the effects of explosive squat training<br />
with and without counter movement. We hypothesized that performing eccentric phase without<br />
braking in the lowest position would maximize power output and especially the rate of force<br />
development in the comparison with training by 2 second break in the lowest position of<br />
squats. We try to get detailed knowledge about the mechanisms of adaptation to loaded<br />
explosive squatting and based on these findings propose more effective development of<br />
strength abilities.<br />
Methods<br />
It was a time parallel double group experiment with 11 weeks duration and frequency<br />
of trainings 2 times a week. Thirty male subjects were divided into two groups (n = 15 per<br />
group). Experimental group (Ex) performed counter movement. No counter movement group<br />
(Ko) had two-second stop at bottom squat position. The subjects were physically active, but<br />
not highly trained students of Faculty of PE and Sport, Comenius University in Bratislava,<br />
Slovakia. (age 22.1 ± 2.5 years; weight 78.3 ± 16.1 kg; height 178.2 ± 12.2 cm). After pretesting,<br />
the subjects were divided in the groups with no significant differences in power<br />
output parameters. Both groups trained with the same volume and manner of implementing<br />
the active part of the movement (concentric contraction). Then effort of this training was to<br />
maximize acceleration. The training load was gradually increase in combination from 3 sets<br />
of 6 reps with dumbbells weighing about 5 % lower than the maximum rating, which was at<br />
about 50 % of 6RM, then we added a week alternating series and increased weight dumbbells,<br />
while in the eighth week a volume ceiling was achieved, namely 6 sets of 6 reps with 20 %<br />
heavier weights than the maximum rating at the beginning of the experiment, which represents<br />
approximately 70 % of 6RM. Following parameters were tested: the mean rate of force<br />
development (RFD) in the intervals 0 – 50 ms of maximal isometric contraction at 90° knee<br />
angle on the dynamometer plate; the highest average power output in the diagnostic series<br />
measured by Fitrodyne (Pmean) and six repetition maximum in half squat at 90° in the knee<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Weighted squat training with and without counter movement for strength and power development<br />
23<br />
joint (6RM) for security reasons. We used nonparametric statistical methods on assessing<br />
the significance of differences in mean values: two-way Mann-Whitney and Wilcox t-test.<br />
Results<br />
Increase in the maximum power capabilities were comparable and statistically significant<br />
(p < 0.05) in both groups. When we do the squat exercises, for safety reasons we added<br />
6RM testing, and after a period of training we reached changes. The Ex group achieved the<br />
improvement of 10.5 ± 5.8 kg (10.5 %) (Fig. 1), the Ko group of 12, 1 ± 5.9 kg (12.5 %).<br />
Figure 1<br />
Pre (In) and post (Out) 11weeks training period both groups (Ko and Ex) values<br />
of six repetition maximum 6RM (kg) during the squat exercises<br />
The highest average power output in the total concentric phase measured in the diagnostic<br />
series (Pmean) increased modestly after a period of training exercises in both groups (Fig. 2).<br />
Additions to the average power in concentric phase of movement when squatting were<br />
comparable in both groups and were statistically insignificant (Fig. 2). Tested subjects in<br />
Ex group improved an average of 11.94 ± 84.7 W (1.7 %) in group Ko of 14.6 ± 88.4 W<br />
(1.9 %).<br />
The average rate of force development - strength gradient (RFD) measured in isometric<br />
mode is a parameter that showed the most significant changes in both groups during the 11<br />
weeks training period. The most significant increases (p < 0.01) was noticed mainly in the<br />
period of 0 – 50 ms of maximal isometric contraction. Significant pre-post differences in<br />
the improvements between groups were detected in favour of (Ex) group in the force gradient<br />
(RFD) measured in the period of 0 – 50 ms in the isometric mode at 90° squat in the knee<br />
joint (p < 0.05). Ex group achieved the improvements of 2.57 ± 2.50 N·s 1 (60.8 %, p < 0.01)<br />
from the average initial value of 3.96 to 6.54 N·s 1 . Ko group RFD (0 – 50) was improved<br />
of 2.23 ± 2.40 (50.2 %, p < 0.01) from 4.73 to 7.10 N·s 1 (Fig. 3).<br />
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Marián Vanderka – Adrián Novosád<br />
Figure 2<br />
Pre (In) and post (Out) 11weeks training period both groups (Ko and Ex) values<br />
of concentric total maximal power output Pmean (W) in the diagnostic series during<br />
the squat exercises<br />
Figure 3<br />
Pre (In) and post (Out) 11weeks training period both groups (Ko and Ex) values<br />
of average rate of force development RFD (N.s -1 ) in the period 0-50 ms during isometric<br />
squat at 90° in knee joint<br />
Discussion<br />
Most of the literature attributes the enhancement to one or a combination of factors that<br />
have impact to changes in strength-speed abilities. There is the recovery of elastic strain<br />
energy and a higher active muscle state before the beginning of the concentric muscle action.<br />
Support for the utilization of 50 – 70 % 1RM loading intensity may be deduced from the<br />
findings of McDonagh and Davies (1984), who stated that a muscle must be activated on<br />
the intensity of at least 66 % of maximum before there will be an increase in strength. Our<br />
stimulus could enhance also 6RM in both groups, especially final part of training period.<br />
We used not only light weights because it seems that training at the load that maximizes<br />
individual peak power output for squat exercise was no more effective at improving sprint<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Weighted squat training with and without counter movement for strength and power development<br />
25<br />
ability than training at heavy loads. The changes in power output were not usefully related<br />
to changes in sprint ability (Harris et al., 2008).<br />
Utilization of such loading requires greater force production for a longer duration, thus<br />
a greater proportion of the motor unit pool is activated with the use of both slow- and fasttwitch<br />
motor units. Furthermore, as all explosive movements start from zero or slow velocity<br />
and progress to higher shortening velocity, intermediate training loads and training velocity<br />
may be the best to optimize adaptation at both ends of the speed-strength continuum (Ewing<br />
et al., 1990).<br />
The apparent difference between the results of this research and those proposing that<br />
lighter loads maximize power output may also be explained by differing force-velocity responses<br />
according to the training status of subjects. Most of the research cited by Cronin et al. (2001)<br />
for example used experienced subjects who could lift up to 1.3 times their body weight. The<br />
force-velocity responses of the weaker, inexperienced subjects of this research may very<br />
well be different with respect to their more experienced counterparts. There was in our study<br />
relatively large duration of a repetition, at relatively low speeds of movement (high resistance)<br />
which probably did not sufficiently stimulate the elastic-spring and reflex mechanisms.<br />
Although in selected strength predisposed subjects we found out some similarities to previews<br />
studies. This mechanism of significant differences between groups disappeared.<br />
Our non-breaking group (Ex) exhibited analogues to Naruhiro et al. (2008), greater<br />
improvement in rapid force production. More over their breaking group exhibited superior<br />
adaptations in peak power relative to body mass during weighted jump squat. It appears that<br />
power output in relatively slow movement (weighted jump squat) was improved more in<br />
the group that stopped motion in lowest position for 3 seconds; however strength in high<br />
velocity movements was improved more in non-breaking group.<br />
There could be also some methodological problem with fixing the speed and range of<br />
movement of eccentric breaking. Sheppard and Doyle (2008) investigated the occurrence of<br />
a small amplitude counter-movement (SACM) in SJ (squat jump) trials of elite athletes. They<br />
determine the efficacy of gross observation and the use of a portable position transducer to<br />
determine whether or not a SACM occurred. Subjects performed the SJ from a depth that<br />
allowed for a 90° knee angle, with the subject's instructed to maintain a 3-second isometric<br />
hold preceding the concentric action of the jump. 99.2 % of these trials also showed a change<br />
in displacement using the displacement-time graph from the linear position transducer.<br />
The results of this study indicate that achieving compliance to protocol in the SJ is difficult,<br />
and that gross observation is inadequate in detecting a SACM in the SJ. From a practical<br />
perspective, these results suggest that using a force plate or a linear position transducer would<br />
allow the strength and conditioning coach to ensure compliance to instructions in the SJ and<br />
also other squat testing and training that seem to be without countermovement.<br />
Conclusion<br />
1. More pronounced positive effects were recorded by stimulus with eccentric breaking<br />
(Ex group) in the field of rapid increasing of force (significantly higher rate of force development<br />
in the interval 0 – 50 ms of maximal isometric contraction – RFD 0 – 50 ms).<br />
2. Training of explosive squats brought neither with nor without counter movement do<br />
no significant changes in power output (Pmean).<br />
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Marián Vanderka – Adrián Novosád<br />
2. There was in both groups the significant increase in maximal strength (6RM) by squatting<br />
with or without counter movement.<br />
4. From a practical perspective, based of our results, we note that if to explosive strength<br />
training preceded long enough strength training focused on hypertrophy and maximal strength,<br />
later increases in explosiveness may be higher.<br />
References<br />
1. BOSCO, C., VIITASALO, J. T., KOMI, P. V., LUTHANEN, P. 1982. Combined effect of elastic<br />
energy and myoelectrical potentiation during stretch-shortening cycle exercise. Acta physiol.<br />
Scand., 114, pp. 74-83.<br />
2. CRONIN, J., MCNAIR, P., MARSHALL, R. 2001. Developing explosive power: A comparison<br />
of technique and training. Journal of Science and Medicine in Sport, Vol. 4, No. 1, pp. 59-70.<br />
3. EWING J, WOLFE, D., ROGERS, M., AMUNDSON, M., STUTT, G. 1990. Effects of velocity<br />
of isokinetic training on strength, power and quadriceps muscle fibre characteristics. European<br />
Journal of Applied Physiology, Vol. 61, pp. 159-162.<br />
4. HÄKKINEN, K., KOMI, P. V., KAUHANEN, H. 1986. Electromyographic and force production<br />
characteristics of leg extensor muscles of elite weight lifters during isometric, concentric, and<br />
various stretch-shortening cycle exercises. International journal of Sports Medicine. Vol. 7, No.<br />
3, pp. 144-151.<br />
5. HARRIS, N., CRONIN, J., HOPKINS, W., HANSEN, K. 2008. Squat jump training at maximal<br />
power loads vs. heavy loads: effect on sprint ability. Journal of Strength & Conditioning<br />
Research, Vol. 22, No. 6, pp. 1742-49.<br />
6. MCDONAGH, M., DAVIES, C. 1984. Adaptive response of mammalian skeletal muscle to exercise<br />
with high loads. European Journal of Applied Physiology, Vol. 52, pp. 139-155.<br />
7. NARUHIRO, H., NEWTON, R., KAWAMORI, N., MCGUIGAN, M., ANDREWS, W., CHAPMAN,<br />
D., NOSAKA, K. 2008. Comparison of Weighted Jump Squat Training With and Without Eccentric<br />
Braking. Journal of Strength & Conditioning Research. Vol. 22, No. 1, pp. 54-65.<br />
8. NEWTON, R., KRAEMER, W., HAKKINEN, K., HUMPHRTES, B. J., MURPHY, A. J. 1996.<br />
Kinematics, kinetics and muscle activation during explosive upper body movements. Journal of<br />
Applied Biomechanics, Vol. 12, pp. 31-43.<br />
9. PRYOR, R., SFORZO, G., KING, D. 2011. Optimizing power output by varying repetition<br />
tempo. Journal of Strength & Conditioning Research, Vol. 25, No. 11, pp. 3029-3034. ISSN<br />
1064–8011<br />
10. SHEPPARD, M., DOYLE, T. 2008. Increasing Compliance to Instructions in the Squat Jump.<br />
Journal of Strength & Conditioning Research, Vol. 22, No. 2, pp. 648-651.<br />
RESUMÉ<br />
VPLYV TRÉNINGU DREPOV SO ZÁŤAŽOU,<br />
BEZ A S PROTIPOHYBOM NA ZMENY ÚROVNE<br />
SILOVÝCH A RÝCHLOSTNO-SILOVÝCH SCHOPNOSTÍ<br />
Marián Vanderka, Adrián Novosád<br />
Cieľom výskumu bolo porovnať adaptačné efekty výbušného silového tréningu prostredníctvom<br />
cvičenia drep s činkou umiestnenou na pleciach za hlavou s protipohybom a bez protipohybu.<br />
Išlo o dvojskupinový časovo súbežný pedagogický experiment v trvaní 11 týždňov<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Weighted squat training with and without counter movement for strength and power development<br />
27<br />
s frekvenciou podnetov 2-krát týždenne. Súbor tvorilo 30 študentov FTVŠ UK v Bratislave,<br />
ktorých sme rozdelili náhodným výberom na polovicu. Experimentálna skupina (Ex) vykonávala<br />
protipohyb, naproti tomu kontrolná skupina (Ko) v spodnej úvrati pohyb na asi 2 sekundy<br />
zastavila. Tréningový podnet mal postupnú gradáciu od počiatočných 3 sérií s hmotnosťou<br />
50 % 6RM sa zvyšoval týždenne striedavo o jednu sériu a 5 % prídavnej hmotnosti<br />
až na 6 sérií s 70 % 6RM. Počet opakovaní bol vždy 6 a interval odpočinku medzi sériami<br />
2 min. Merali sa vstupné a výstupné hodnoty šesťrazového maxima pri cvičení drep (6RM),<br />
najvyšší priemerný výkon v aktívnej fáze pohybu v stupňovanej diagnostickej sérii pomocou<br />
zariadenia Fitrodyne premium pri cvičení podrep do 90° v kolennom kĺbe, výskok (Pmean),<br />
priemerný silový gradient v intervale 0 – 50 ms od počiatku maximálnej izometrickej kontrakcie<br />
pri podrepe 90° v kolennom kĺbe na dynamometrickej platni (RFD). Výskum potvrdil vplyv<br />
výbušného silového tréningu na adaptačné zmeny v oblasti prírastkov maximálnej sily, no<br />
najmä silového gradientu. Ex skupina sa v RFD (0 – 50) (priemer ± smerodajná odchýlka)<br />
zlepšila po perióde tréningu o 2.57 ± 2.50 N·s 1 (60.8 %, p < 0.01) z 3.96 na 6.54 N·s 1 ;<br />
Ko skupina 2.23 ± 2.40 (50.2 %, p < 0.01) z 4.73 na 7.10 N·s 1 . Rozdiel v prírastkoch<br />
v porovnaní so skupinou trénujúcou bez protipohybu bol štatisticky významný iba v tomto<br />
parametri (p < 0.05). Pmean sa po perióde tréningu nezmenil významne ani v jednej skupine.<br />
6RM sa zvýšilo významne v oboch skupinách (p < 0.05), v Ex o 10.5 ± 5.8 kg (10.5 %),<br />
v Ko o 12.1 ± 5.9 kg (12.5 %), rozdiel v prírastkoch však nebol štatisticky významný.<br />
Z praktického pohľadu je na základe výsledkov možné konštatovať, že tréning drepov s protipohybom<br />
je účinnejší na rozvoj silového gradientu. Aj tréning so zastavením v spodnej<br />
úvrati priniesol zlepšenia v oblasti maximálne silových schopností. 11-týždňový tréning<br />
s frekvenciou 2-krát týždenne nebol ani v jednej zo skupín účinný na nárast výkonu (Pmean).<br />
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Marián Vanderka – Adrián Novosád<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Differences in game performance parameters of winning and losing ice-hockey teams<br />
29<br />
DIFFERENCES IN GAME PERFORMANCE PARAMETERS<br />
OF WINNING AND LOSING ICE-HOCKEY TEAMS<br />
Miroslav Huntata, Ludmila Zapletalová<br />
Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: The purpose of the research was to ascertain game performance parameters in ice<br />
hockey that make the difference between the winning and losing teams. Game performance<br />
was assessed based on digital records of matches taken at 2010 Winter Olympic Games in<br />
Vancouver. Assessed were 24 selected game performance parameters, including shooting,<br />
saves, power play, penalty kill, effective solution to situations 1v1 and puck carrying. Significance<br />
of differences in selected game performance parameters of teams was tested by means<br />
of non-parametric Mann-Whitney U-test. As regards the number of shots and effectiveness of<br />
shooting, save, power play or penalty kill, man-to-man fight and puck carrying in offence,<br />
especially in the attacking zone, there exist significant differences between the winning and<br />
losing teams. The research brought results that can be useful for making the training process<br />
and coaching of teams during a match more effective and enrich the theory of ice-hockey<br />
performance.<br />
Key words: ice hockey, game performance parameters, winning teams, losing teams, 2010<br />
Olympic Games<br />
Introduction<br />
Identification of parameters, crucial for the match result, is an important part of the<br />
game performance analysis. Those parameters are called by Hughes and Bartlett (2002) as<br />
performance parameters and defined as variables or their combinations, directed to determination<br />
of effective game performance aspects or result. Identification of performance parameters<br />
in team sports is rather complex because the game performance of a team is based<br />
on many strategic, tactical and technical dimensions as well as on time and space aspects<br />
(Psotta, 2009). Reasonable long-time attention has been paid to search for coherences between<br />
the game performance parameters and match results, or search for differences in game<br />
performance parameters of winning and losing teams. This has been processed relatively<br />
comprehensively in net games thanks to relatively schematic chain of game situations as<br />
well as resulting game skills and combinations of individuals. However, invasive games,<br />
where the number and variability of game situations are high, mainly lack a more complex<br />
sight of the issue and the search for predictors of victory has often only a partial character.<br />
Out of works dealing with the issue of victory predictors in a more complex way, it is worth<br />
to mention the work of Hianik (2010). He confirmed that from the aspect of offence a match<br />
result in top handball significantly depends on effective quick attacks and counter-attacks,<br />
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Miroslav Huntata – Ludmila Zapletalová<br />
while from the aspect of defence on effective defence against slow advanced attack and<br />
counter-attack, and from the aspect of goalkeepers on effective catching. The result of a match<br />
is affected also by the number of faults of field players and effective game skills of goalkeepers.<br />
In basketball matches (Sampaio, Janeira, 2003) with score difference of more than 8 points,<br />
the losing team had worse values of all the game performance parameters, while in matches<br />
with tight score difference (less than 8 points), the result depended on the type (regular<br />
season – playoff) and environment (home – away) of the match. In the regular season, the<br />
result of a match was influenced mostly by the free throw effectiveness, while in the playoff<br />
by the number of offensive rebounds. Home game victories were conditioned by personal<br />
faults, while effective free throws conditioned the victories at opponent’s courts. Victories<br />
at the 2007 Basketball Women World Championships U 19 significantly related to assistances,<br />
percentage of effective 2-point shots and the total number of offensive and defensive rebounds<br />
(Mačura, Potocký, 2009). Bazanov, Haljand, Võhandu (2005) found significant differences<br />
between the winning and losing teams in ball control and intensity of team action within the<br />
attacking zone, calculated from the number of dribbling, passes, screens on the power side,<br />
screens on the penalty side, shoots and time of the ball possession in the attacking zone.<br />
As regards partial observations, it is worth to mention confirmation of the meaning of time<br />
control of the ball or any other object of the game. Van Rooyen and Noakes (2006) ascertained<br />
that rugby teams scored most often when they had the ball under their control longer than<br />
80 seconds (in most cases, the ball was under control less than 20 seconds). The importance<br />
of the ball control time for winning a match in the English Football League was confirmed<br />
by Jones, James and Mellalieu (2004). Lago (2007) concluded that differences in selected<br />
parameters of game performance of winning and losing teams at the 2006 Football World<br />
Championships were in pool games of the Championships, while in the second phase, where<br />
the elimination system takes place, no significant differences were found.<br />
In comparison to other games, this issue was dealt with in ice hockey by significantly<br />
fewer authors and the results are mostly partial. In addition, some works are older and their<br />
results can be of limited validity or valid only for youth categories. In the only more complex<br />
work dealing with senior ice hockey, Bukač (1980) found, based on the analysis of matches<br />
at the 1978 World Championships, that the winning teams shoot more often and more<br />
effectively and need in average nearly 5 opportunities less to score than the losing ones.<br />
Their power play was also more effective and more often and they needed one minute less<br />
time to score in average. They succeeded to score also when shorthanded. They were overall<br />
more active in offence, more successful in building up the attack from the defensive zone<br />
and finished more actions with shooting. They tried to attack the rival’s net in particular by<br />
team actions, while the losing teams only individually. The result of a match was highly<br />
affected by the goaltender’s performance while, on the other hand, the number of won bullies<br />
did not affected it so much. Works dealing with the issue in the category of youth include<br />
the work of Andrejkovič (2008) who found an important correlation between the solution to<br />
situations 1v1 and the match result. The above relation was not confirmed in solution to<br />
situations 1v2, 2v2. 2v1. In the category of 10 – 17-year old ice-hockey players, Tóth (2003)<br />
pointed to the importance of not only quantitative game performance parameters, but also<br />
the results of expert evaluation of the game skills quality, expressed in summary by absolute<br />
game performance score and individual game performance index to one period. Jones (2009)<br />
dealt with the issue of the home game effects on the result of a NHL match following similar<br />
research in basketball. He concluded that unlike in basketball, the home-game advantage<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Differences in game performance parameters of winning and losing ice-hockey teams<br />
31<br />
in ice hockey is smaller, however still statistically important. The advantage is manifested<br />
namely by the fact that the home team usually scores the first, which is reflected also in the<br />
final score. The home-game advantage for the first goal shooting was used in 53 %. In the<br />
opinion of Dobrý, Semiginovský (1988), the maximum offensive pressure in the first period<br />
and maximum defensive performance in the third period are very important for both winning<br />
a match and ranking. The research has proved that teams ranking at the top scored mostly<br />
in the first period and conceded only few goals in the last period. The low number of goals<br />
scored against in the last period was linked to the triumph in a match as well.<br />
As indicated above, parameters of winning an ice-hockey match are investigated<br />
insufficiently. The purpose of this research is to fill the gap at least partially because the<br />
importance of their identification is indubitable from the aspect of training practice, coaching<br />
as well as the game performance theory. The aim is to ascertain in which game performance<br />
parameters the winning and losing teams differ in a match, specifically in its individual<br />
periods.<br />
Methodology<br />
We monitored 24 selected game performance parameters of eight teams in 11 matches<br />
of the 2010 Winter Olympics in Vancouver. The analysis included matches in groups B and C<br />
of teams of Slovakia, Czech Republic, Russia, Latvia (group B) and Sweden, Finland, Germany<br />
and Belarus (group C). 24 periods won by either of the teams were analysed in total. Selected<br />
game performance parameters of a team were registered using the method of indirect monitoring,<br />
DVD records and expert opinions. Power play and penalty kill parameter were taken<br />
from the official game statistics published on<br />
.<br />
Monitored game performance parameters<br />
1.<br />
2.<br />
3.<br />
4.<br />
Shooting parameters<br />
– number of shots against the opponent’s cage<br />
– shooting effectiveness [%]<br />
Parameters of saves<br />
– number of saves<br />
– save effectiveness [%]<br />
Power play parameters<br />
– number of power plays<br />
– time of power plays [sec]<br />
– goals scored while on power play<br />
– power play effectiveness<br />
Penalty kill parameters<br />
– number of penalties<br />
– number of penalty minutes<br />
– goals scored against when shorthanded<br />
– shorthanded game effectiveness<br />
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Miroslav Huntata – Ludmila Zapletalová<br />
5.<br />
6.<br />
Effectiveness of solutions to situations 1v1 [number of effective solutions]<br />
– in offense<br />
– in defence<br />
– in offense, separately in offensive, neutral and – defensive zones<br />
– in defence, separately in offensive, neutral and defensive zones<br />
Puck carrying parameters [seconds]<br />
– overall puck carrying<br />
– puck carrying, separately in offensive, neutral and defensive zones<br />
Individual variables were characterised with the help of descriptive characteristics of<br />
non-parametric methods. To assess the differences between the game performance parameters,<br />
non-parametric Mann-Whitney U-test was used. The assessed level of statistical significance<br />
is 5 %.<br />
Results<br />
Shooting parameters<br />
Significant differences between the winning and losing teams were found both in the<br />
number (p < 0.01) and effectiveness of shots (p < 0.01). The winning teams shot of 101-times<br />
more in absolute number than the losers did. As regards the mean value, the difference<br />
between the winning and losing teams was 4.5 shots per period. Remarkable is also the<br />
difference in shooting effectiveness. While the mean effectiveness of winning teams was<br />
14.9 % per period, in losing teams it was zero (Table 1).<br />
Table 1<br />
Shooting parameters of winning and losing teams<br />
Shooting parameters<br />
number of shots shooting effectiveness [%]<br />
winner loser winner loser<br />
∑ 292.0 191.0<br />
Median 12.5 8.0 14.9 0.0<br />
Mode 17.0 10.0 11.8 0.0<br />
Minimum 5.0 2.0 6.2 0.0<br />
Maximum 19.0 16.0 50.0 40.0<br />
V R 14.0 14.0 43.8 40.0<br />
U-test p < 0.01 p < 0.01<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Differences in game performance parameters of winning and losing ice-hockey teams<br />
33<br />
Parameters of saves<br />
Significant differences between the winning and losing teams were found both in the<br />
number (p < 0.05) and effectiveness of saves (p < 0.01). The goaltenders of winning teams<br />
had to save of 62-times less in absolute numbers as the goalies of losing teams, with the mean<br />
difference of 2.5 saves per period and 14.3% effectiveness. The winning team goaltenders<br />
saved mostly 10-times per period and did not conceded any goal, while the goaltenders of<br />
losing teams had to save 15-times and effectiveness of their saves was mostly 88.2 % (Table 2).<br />
Table 2<br />
Parameters of winning and losing team goaltenders’ saves<br />
Parameters of goaltenders’ saves<br />
number of saves save effectiveness [%]<br />
winner loser winner loser<br />
∑ 184.0 246.0<br />
Median 7.5 10.0 100.0 85.7<br />
Mode 10 15 100 88.2<br />
Minimum 2.0 3.0 60.0 50.0<br />
Maximum 14.0 16.0 100.0 100.0<br />
V R 12.0 13.0 40.0 50.0<br />
U-test p < 0.05 p < 0.01<br />
Power play factors<br />
Significant differences between the winning and losing teams include the number of<br />
goals scored in power play (p < 0.01) and power play effectiveness (p < 0.01). The winning<br />
teams scored as many as 17 goals in power play in total, while the losing teams only one<br />
goal. As regards the number of power plays and power play duration, no significant differences<br />
were found. During all the investigated periods, the winning teams were on power<br />
play only 12-times more than the losing teams and the difference in the total time of power<br />
play was 541 seconds (9 minutes and 1 second), which is a small difference when counted<br />
over one period (Table 3).<br />
Penalty kill factors<br />
Significant differences between the winning and losing teams playing shorthanded<br />
include also the number of goals scored against (p < 0.01) and penalty kill effectiveness<br />
(p < 0.01), where the difference was as many as 16 goals and 41.6 % for the winner’s<br />
benefit. The winning teams mostly did not conceded any goal per period when shorthanded<br />
and their game effectiveness was 100 %, while the losing teams conceded a goal in every<br />
period and their game effectiveness was largely 58.4 %. No significant differences were<br />
found as regards the number of penalties and the number of penalty minutes (Table 4).<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
34<br />
Miroslav Huntata – Ludmila Zapletalová<br />
Table 3<br />
Power play factors of winning and losing teams<br />
Power play factors<br />
number time [sec.] number of goals effectiveness [%]<br />
winner loser winner loser winner loser winner loser<br />
∑ 50.0 38.0 4778.0 4237.0 17.0 1.0<br />
Median 2.0 1.0 189.0 152.0 1.0 0.0 33.0 0.0<br />
Mode 2.0 1.0 240.0 120.0 1.0 0.0 0.0 0.0<br />
Minimum 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0<br />
Maximum 4.0 4.0 360.0 451.0 2.0 1.0 100.0 25.0<br />
V R 4.0 4.0 360.0 451.0 2.0 1.0 100.0 25.0<br />
U-test n. s. n. s. p < 0.01 p < 0.01<br />
Table 4<br />
Penalty kill factors of winning and losing teams<br />
Penalty kill factors<br />
number of penalties<br />
number of penalty<br />
minutes<br />
goals against<br />
game effectiveness<br />
[%]<br />
winner loser winner loser winner loser winner loser<br />
∑ 39.0 50.0 92.0 133.0 1.0 17.0<br />
Median 1.0 2.0 2.0 4.0 0.0 1.0 100.0 58.4<br />
Mode 1.0 2.0 2.0 4.0 0.0 1.0 100.0 0.0<br />
Minimum 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0<br />
Maximum 5.0 4.0 18.0 27.0 1.0 2.0 100.0 100.0<br />
V R 5.0 4.0 18.0 27.0 1.0 2.0 100.0 100.0<br />
U-test n.s. n.s. p < 0.01 p < 0.01<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Differences in game performance parameters of winning and losing ice-hockey teams<br />
35<br />
Effectiveness of solutions to situations 1v1<br />
During the investigated periods, total 626 situations 1v1 occurred. Significant differences<br />
between the winning and losing teams were found in the overall effectiveness of solutions<br />
to situations 1v1 (p < 0.01) and in offence (p < 0.01). The winning teams effectively resolved<br />
17 situations 1v1 per period in average that is of 8 more that in the losing teams. This difference<br />
in offence represents four effectively resolved situations per period for the benefit of<br />
winners (Table 5). As regards effective solutions to situations 1v1 in defence, no significant<br />
differences were found. The losing teams were surprisingly slightly more successful than<br />
the winning ones.<br />
Table 5<br />
Effectiveness of solutions to situations 1v1 in winning and losing teams<br />
Effectiveness of solutions to situations 1v1<br />
total offence defence<br />
winner loser winner loser winner loser<br />
[number] [number] [number]<br />
∑ 357 269 237 152 120 117<br />
Median 14.5 10 9 6 5 5<br />
Mode 17 9 9 5 4 5<br />
Minimum 9.0 4.0 4.0 1.0 2.0 1.0<br />
Maximum 25 23 18 17 9 10<br />
V R 16 19 14 16 7 9<br />
U-test p < 0.01 p < 0.01 n. s.<br />
From the aspect of localisation of solutions to situations 1v1 into individual zones, significant<br />
differences were found only in offence in the attacking zone (p < 0.01) for the benefit<br />
of winning teams. As regards the mean value per period, they resolved successfully of 2.5<br />
situations 1v1 more. The winning teams resolved successfully six situations 1v1 in average,<br />
while the losing teams only two. No significant differences were recorded in other zones,<br />
both in offence and defence (Table 6).<br />
Puck carrying factors<br />
Significant differences between the winning and losing teams were recorded in the overall<br />
puck control (p < 0.01), puck carrying in neutral (p < 0.05) and attacking zones (p < 0.01).<br />
The winning teams controlled the puck of 53 minutes and 26 seconds longer than the losing<br />
ones in total, of 5 minutes and 29 seconds longer in the neutral zone and of 42 minutes and<br />
20 seconds longer in the attacking zone. No significant differences in puck carrying in the<br />
defensive zone were recorded between the winning and losing teams (p > 0.05) (Table 7).<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
36<br />
Miroslav Huntata – Ludmila Zapletalová<br />
Table 6<br />
Effectiveness of solutions to situations 1v1 in winning and losing teams<br />
within individual zones of the hockey rink<br />
Effectiveness of solutions to situations 1v1<br />
Effectiveness of solutions to situations 1:1<br />
in offense<br />
Effectiveness of solutions to situations 1v1<br />
in defence<br />
DZ NZ AZ DZ NZ AZ<br />
W L W L W L W L W L W L<br />
[number] [number] [number] [number] [number] [number]<br />
∑ 32 29 46 26 159 97 64 64 22 31 34 22<br />
Median 1 1 2 1 6.5 4 3 3 1 1 1 1<br />
Mode 2 0 2 0 6 2 4 4 1 0 1 0<br />
Minimum 0 0 0 0 1 1 0 0 0 0 0 0<br />
Maximum 4.0 4.0 8.0 4.0 12.0 13.0 5.0 5.0 3.0 3.0 3.0 3.0<br />
V R 4 4 8 4 11 12 5 5 3 3 3 3<br />
U-test n. s. n. s. p < 0.01 n. s. n. s. n. s.<br />
DZ – defensive zone, NZ – neutral zone, AZ – attacking zone, W – winning team, L – losing team<br />
Table 7<br />
Puck carrying factors in winning and losing teams<br />
Puck carrying<br />
total defensive zone neutral zone attacking zone<br />
winner loser winner loser winner loser winner loser<br />
[s] [s] [s] [s]<br />
∑ 16003 12797 4639 4302 2642 2313 8722 6182<br />
Median 682.5 517.5 193 180.5 108 100 365 254.5<br />
Mode 446 328 136 116 83 62 150 93<br />
Minimum 872 754 257 257 153 134 576 461<br />
Maximum 426 426 121 141 70 72 426 368<br />
V R p < 0.01 n.s. p < 0.05 p < 0.01<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Differences in game performance parameters of winning and losing ice-hockey teams<br />
37<br />
Discussion<br />
In comparison to other sports games, there still exist only few works dealing with parameters<br />
of match effectiveness of an ice-hockey team, or with differences in game performance<br />
parameters of winning and losing teams. Our results indicate that the importance of certain<br />
parameters of effectiveness is generally applicable and does not disappear with the trends of<br />
the ice hockey development. We clarified even the meaning of man-to-man fights and puck<br />
carrying.<br />
By means of comparison of selected game performance parameters between the winning<br />
and losing teams, we ascertained significant differences. As expected, they were manifested<br />
in parameters of shooting and saves, considered the final game skills. Teams that are more<br />
successful were not only more effective in shooting, but also more active in shooting attempts.<br />
According to our findings, they shot nearly two-times more per period and their shooting<br />
effectiveness was in most cases of 12 % higher than in losing teams, which would not be a<br />
significant difference if the shooting effectiveness of losing teams was not mostly 0 %. This<br />
is perhaps the fact that does not change in spite of various developmental tendencies in ice<br />
hockey because Bukač et al. at the 1978 World Championships drew similar conclusions<br />
also. That is why we may state that it is highly probable that one of the conditions of a team’s<br />
success in a match is both a higher quality and quantity of shooting. As regards the parameters<br />
of saves, the winning team goaltenders analogously faced fewer shots and frequently<br />
finished a period without a goal in their net. Naturally, the goaltender’s performance reflects<br />
also the defensive game of the whole team, however, based on our results and in concordance<br />
with Bukač et al. (1980), we may state that the result of a match is highly affected by the<br />
goaltender’s performance.<br />
The importance of power play was not confirmed clearly. At 2010 Olympics, the winning<br />
teams profited from power play. However, the question was not the number and duration of<br />
power plays. Those factors were not significantly different from those of the losing teams.<br />
Crucial was the shooting success and power play effectiveness. The winning teams scored<br />
in power play mostly one-time per period and made use of one of three power plays, while<br />
the power play effectiveness in the losing teams was zero. It is interesting that nearly identical<br />
values were found more than 30 years ago also by Kostka, Bukač, Dovalil (1979). It also<br />
appears that not the number and duration of penalty kills are crucial, but the number of goals<br />
scored against and penalty kill effectiveness, i.e. defence of the whole team and effectiveness<br />
of saves.<br />
Significant importance in invasive games has been attributed to solution to situations<br />
1v1, the so-called man-to-man fights. It appears that they can be crucial from the aspect of<br />
the result, in particular when resolved in front of the own or opponent’s cage or basket, and<br />
that an effective solutions to man-to-man fights are even more important than solutions to<br />
other kinds of game situations (such as 1v2, 2v2, etc.) (Andrejkovič, 2008). Our research,<br />
focused specifically on situations 1v1, confirmed this statement. It confirmed the differences<br />
namely in effectiveness of solutions to situations 1v1 in offence and in relation to individual<br />
zones of the rink during offence in the attacking zone. The aim of each team is to spend<br />
a considerable part of the game in the attacking zone. A team, able to carry the puck, combine<br />
at a small space, assert in man-to-man situations in the attacking zone, is also able to create<br />
goal opportunities and thus to build up its success in a match. The finding that no difference<br />
between the winning and losing teams was found in effectiveness of solutions to situations<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
38<br />
Miroslav Huntata – Ludmila Zapletalová<br />
1v1 in defence and the defensive zone could appear relatively surprisingly. This is perhaps<br />
caused by relatively low occurrence of effectively resolved man-to-man fights by defensemen<br />
in that zone. The opponent’s attack disruption occurred frequently perhaps because of other<br />
faults of the attacking team (bad pass, non-processed pass, zone loss, etc.). Bukač et al. (1980)<br />
draw up similar conclusions, and ascertained that the winning teams were more effective<br />
in man-to-man fights in particular in the attacking zone, and this zone has been identified as<br />
the most important space from the viewpoint of strategy.<br />
Our analysis of the issue indicates that the control over the object of the game is important<br />
also from the aspect of the match result (Jones, James, Mellalieu, 2004; Bazanov, Haljand,<br />
Võhandu, 2005; Van Rooyen, Noakes, 2006). However, the time of puck carrying by a team<br />
in ice hockey has never been investigated. There exist sporadic attempts to record the active<br />
time of a selected player on ice, which is in fact the time spent by carrying the puck in a match;<br />
such statistics however does not exist for the team as a whole as it exists in football. From<br />
this aspect, we consider our results original. We ascertained that the winning teams carry the<br />
puck significantly longer in the neutral and attacking zones, but this duration is not different<br />
from that of the losing teams in the defensive zone. Here, however, it must be noted that the<br />
time of puck carrying in the neutral zone is very short in both the winning and losing teams.<br />
It represents about 17 % of the total time of puck carrying. This corresponds to the current<br />
trend to reach the attacking zone as simply and quickly as possible. The time of puck carrying<br />
by a team in the neutral zone is really short. The time of puck carrying in the attacking zone<br />
represents 52 % of the total time of puck carrying in a match. This finding is logical. If a team<br />
carries the puck, it is in offence and all its effort is directed to the attacking zone. Here, the<br />
most significant differences between the winning and the losing team are manifested.<br />
According to our findings, we may consider the time of puck carrying, and especially the<br />
ability of a team to carry the puck in the attacking zone, one of the important prerequisites<br />
of success in a match.<br />
Conclusions<br />
Differences in game performance parameters between the winning and losing teams<br />
have been confirmed in various scopes. The winning teams were significantly better in all<br />
the parameters relating to effectiveness, i.e. in shooting, saves, power play or penalty kill.<br />
They were significantly better also in effective solutions to situations 1v1 in total as well as<br />
in offence. As regards localisation of those situations within individual zones, significant<br />
differences for the benefit of the winning team were manifested only in the attacking zone,<br />
based on which it can be stated that this zone is the most important for effectiveness of<br />
solutions to situations 1v1 in offence. We did not find any differences in effective<br />
solutions to situations 1v1 in defence, neither in total nor from the aspect of individual<br />
zones of the rink. As regards puck carrying, the winning teams were significantly better<br />
both in the overall control and in puck carrying within the attacking and neutral zones.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Differences in game performance parameters of winning and losing ice-hockey teams<br />
39<br />
References<br />
1. ANDREJKOVIČ, I. 2008 Vzťah úspešnosti riešenia herných situácií v zápasoch a v tréningovom<br />
procese dorastencov v ľadovom hokeji. Dizertačná práca. Bratislava : Univerzita Komenského,<br />
2008. 98 pp.<br />
2. BUKAČ, L. a kol. 1980. Poznatky z analýzy utkání Mistrovství světa a Evropy v ledním hokeji<br />
v Praze 1978. Praha : Sportpropag, 1980. 127 pp.<br />
3. BAZANOV, B., HALJAND, R., VÕHANDU, P. 2005. Offensive teamwork intensity as a factor<br />
influencing the result in basketball. In International Journal of Performance Analysis in Sport.<br />
[online]. 2005, vol. 5, no. 2. ISSN 1474-8185<br />
4. DOBRÝ, L., SEMIGINOVSKÝ, B. 1988. Sportovní hry: výkon a trénink. Praha : Olympia, 1988.<br />
197 pp. ISBN 27-051-88.<br />
5. HIANIK, J. 2010. Vzťah ukazovateľov herného výkonu družstva k výsledku zápasu. Bratislava :<br />
Univerzita Komenského, 2010. 128 pp. ISBN 978-80-8113-019-9.<br />
6. HUGHES, M. D., BARTLETT, R. M. 2002. The use of performance parameters in performance<br />
analysis. In J. Sport Science, 2002, 20. no 5, pp.739-754. ISNN 0264-0414.<br />
7. JONES, D. P., JAMES, N., MELLALIEU, D., S., 2004. Possession as a performance indicator in<br />
soccer. In International Journal of Performance Analysis in Sport. [online] 2004, vol. 4, no. 1.<br />
ISSN 1474-8185.<br />
8. JONES, B., M., 2009. Scoring First and Home Advantage in the NHL. In International Journal of<br />
Performance Analysis in Sport. [online] 2009, vol. 9, no. 3. ISSN 1474-8185.<br />
9. OSTKA, V., BUKAČ, L., DOVALIL, J. 1979. Technicko-taktická příprava : Obrana – útok. In<br />
Jednotný tréninkový systém v ledním hokeji II : Dospělí, 1979. pp. 26-65.<br />
10. MAČURA, P., POTOCKÝ, F. 2009. Vplyv herných činností jednotlivca na víťazstvo v basketbalovom<br />
zápase. In Zborník vedeckých prác katedry hier FTVŠ UK v Bratislave č. 14. Bratislava :<br />
Peter Mačura PEEM, 2009, pp. 7-13. ISBN 978-80-8113-014-4.<br />
11. LAGO, C. 2007. Are winners different from losers? Performance and chance in the FIFA World<br />
Cup Germany 2006. In International Journal of Performance Analysis in Sport. [online]. 2007, vol.<br />
7, no. 2, pp. 36-47. ISSN 1474-8185.<br />
12. PSOTTA, R. 2009. Kategoriální systémy pozorování herního výkonu. In SÜSS, V., BUCHTEL,<br />
J. et al. Hodnocení herního výkonu ve sportovních hrách. Praha : Karolinum, 2009, pp. 21-27.<br />
ISBN 978-80-246-1680-3.<br />
13. SAMPAIO, J., JANEIRA, M. 2003. Statistical analysis of basketball team performance: understanding<br />
teams´ wins and losses according to a different index of ball possessions. In International<br />
Journal of Performance Analysis in Sport. [online]. 2003, vol. 3, no. 1. ISSN 1474-8185.<br />
14. TÓTH, I. 2003. Herný výkon 10 až 17 ročných hráčov ľadového hokeja z hľadiska kvantitatívnych<br />
a kvalitatívnych herných charakteristík. Dizertačná práca. Bratislava : Univerzita Komenského,<br />
2003. 149 pp.<br />
15. VAN ROOYEN, M., K., - NOAKES, T., D. 2006. Movement time as a predictor of success in the<br />
2003 Rugby World Cup Tournament. In International Journal of Performance Analysis in Sport.<br />
[online]. 2006, vol. 6, no. 1. ISSN 1474-8185.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
40<br />
Miroslav Huntata – Ludmila Zapletalová<br />
RESUMÉ<br />
ROZDIELY V UKAZOVATEĽOCH HERNÉHO VÝKONU<br />
VÍŤAZNÝCH A PORAZENÝCH DRUŽSTIEV V ĽADOVOM HOKEJI<br />
Miroslav Huntata, Ludmila Zapletalová<br />
Cieľom práce bolo zistiť, v ktorých ukazovateľoch herného výkonu v ľadovom hokeji sa<br />
líšia víťazné a porazené družstvá. Herný výkon sa hodnotil zo záznamov zápasov zo zimných<br />
olympijských hier 2010 vo Vancouveri. Sledovalo sa 24 vybraných ukazovateľov herného<br />
výkonu, medzi ktoré patrili ukazovatele streľby, zásahy brankára, hra v početnej presile, hra<br />
v početnom oslabení, úspešnosť riešenia herných situácií 1:1 a kontrola puku. Významnosť<br />
rozdielov medzi vybranými ukazovateľmi herného výkonu družstiev sa testovala neparametrickým<br />
Mann-Whitneyho U-testom. Medzi víťaznými a porazenými družstvami sú významné<br />
rozdiely v početnosti a v úspešnosti streľby a zásahov brankára, ďalej v efektivite hry v početnej<br />
presile, resp. v početnom oslabení, v úspešnosti riešenia osobných súbojov a v kontrole<br />
puku v útočnej fáze hry, predovšetkým v útočnom pásme. Práca priniesla výsledky, ktoré môžu<br />
byť užitočné pri zefektívňovaní tréningového procesu, koučovaní družstva v zápase a môžu<br />
obohatiť teóriu herného výkonu v ľadovom hokeji.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Assessment of pedalling techniques on a bicycle depending on intensity of training load<br />
41<br />
ASSESSMENT OF PEDALLING TECHNIQUES ON A BICYCLE<br />
DEPENDING ON INTENSITY OF TRAINING LOAD<br />
Juraj Karas<br />
Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: The aim of the study was to compare the cyclical fluctuations propulsive force<br />
produced during pedalling as a criterion for the assessment of technique in cyclists, and noncyclist<br />
at different exercise intensities at frequency of 90 revolutions per minute. Twenty<br />
competitive road cyclists and 20 fit non-cyclists volunteered to participate in the study. Both<br />
groups underwent in random order one-minute exercise on the isokinetic cycle ergometer at<br />
intensity of 100, 200 and 300 watt, and at the end also a 10-second maximum effort bout at<br />
frequency of 90 revolutions per minute. Propulsive force (the force transmitted through the<br />
chain to the braked flywheel) was recorded during the tests. From each minute exercise the<br />
average values of minimum, maximum and average force of 360-degree pedalling cycle were<br />
obtained. In addition equality coefficient of pedalling as a percent difference between maximum,<br />
minimum force, and average force was calculated. Results showed significant differences<br />
(p < 0,05) in equality pedalling coefficient during 200-watt load and in 300-watt load. Differences<br />
were found for those loads, which cyclists prefer in their training and racing. The results<br />
proved a specific effect of training on pedalling technique depending on the training intensity<br />
of preferred pedalling frequencies.<br />
Key words: equality pedalling coefficient, exercise intensity, pedalling technique<br />
Introduction<br />
Good performance in endurance sports depends not only on maximum aerobic power,<br />
but also sufficiently high mechanical efficiency of muscular work. Its level is determined<br />
by the efficiency of converting energy sources (fat and sugar) into usable energy in muscle<br />
cells macroergic phosphates (ATP and CP), as well as the effect of its further conversion into<br />
mechanical work of muscle contraction itself. An important factor that affects the mechanical<br />
efficiency is technique. Its significance is the greater; the more technically demanding movement<br />
is implemented.<br />
Even though pedalling a bicycle is one of the relatively simple and low-tech physical<br />
activities, differences between road cyclists and non-cyclists moderately fit in mechanical<br />
efficiency exist. While individuals of the general population reach the gross mechanical<br />
efficiency of approximately 20 % (Hamid et al., 2005), for the trained cyclists values up to<br />
about 25 % are reported (Burke, 2003).<br />
Under the technique in cycling we understand way in which the force produced by leg<br />
muscles is transmitted to pedal a bicycle. One of the factors pedalling technique can be<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
42<br />
Juraj Karas<br />
considered the range of variation of force during the 360-degree turnaround cycle pedals.<br />
As Hamar et al. (1994) states good pedalling technique in practice may consist of fewer large<br />
fluctuations in power between the maximum and minimum force (Fig. 1). It is based on<br />
monitoring of the effective forces in the isokinetic ergometer pedalling. As a criterion of<br />
technique, is the difference of maximum and minimum force, or their mutual ratio.<br />
Figure 1<br />
Difference maximum and minimum force during the 360-degree turn pedal cycle averaged<br />
from minute load at 300 watts at a frequency of 90 pedalling revolutions per minute<br />
for cyclists and non-cyclists<br />
Fluctuation forces during image rotation cranks have long been the focus of biomechanics<br />
and designers. In the past several manufacturers of crank and converter tried to make<br />
crank transducer with elliptical transducers to reduce the pedal force at the stage when the<br />
crank is in the six o'clock position, the so-called deadlock. From 1983 to 1993 Biopace<br />
Japanese manufacturer Shimano began to construct the crank type. However, the setting of<br />
the ellipse to the crank paradoxically meant that in overcoming the deadlock the transducers<br />
showed the greatest resistance. This means that deadlock (pedal crank in a vertical position)<br />
had a larger radius of the transmitter and active image position (pedal cranks in a horizontal<br />
position) is smaller (Fig. 2). The result of such a structure was irregular and uncomfortable<br />
pedalling, which obstructed the smooth and even action of forces during the 360-degree<br />
traction cycle. Cyclists using the converter type Biopace complained about pain in the knee,<br />
which was probably a result of spending more efforts to overcome the deadlock. Engineers<br />
are trying to solve these problems, alleviating ellipse. Such an arrangement, however, did<br />
not eliminate the problems, so this type of transducers was finally withdrawn from the market.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Assessment of pedalling techniques on a bicycle depending on intensity of training load<br />
43<br />
Figure 2<br />
Distribution of teeth on the large chainring Shimano – Biopace<br />
Currently, several brands, such as the Spanish company Rotor, have begun to deal with<br />
the production of elliptical transducers again. This time, however, they used the opposite<br />
distribution ellipse diameters in relation to the transducers cranks. It was based on the fact<br />
that cyclist around the horizontal plane produces the greatest strength, namely the position<br />
of the cranks was 20 degrees below the horizontal position. In this position the transmitter<br />
has the largest radius, and vice versa the smallest in the lowest position of deadlock. In this<br />
position, due to the lower radius of the transducer it is sufficient to operate with less power,<br />
so the transition is smoother (Fig. 3).<br />
Figure 3<br />
Distribution of teeth on the large chainring Rotor<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
44<br />
Juraj Karas<br />
The manufacturer claims that the converter Rotor Q-Rings helps increase the driving<br />
force shifted to the wheels of a bicycle. It has to be due to the fact that it was their elliptic<br />
shape minimizes resistance stroke to overcome deadlock and maximizes power transfer in<br />
the position of the active stroke. Furthermore, the product could be used for faster riding at<br />
reduced production of l<strong>acta</strong>te; the bike is better acceleration, smoother activation of muscles<br />
during stroke, which should minimize the wear and tear on joints at a desirable increase of<br />
load on the "driving" muscles and tendons. Products used by some professional cycling teams<br />
and are available on the market and the general public.<br />
Carmichael et al. (2003) states mechanical efficiency of pedalling is higher at lower<br />
drop of power in vertical positions ("top and bottom of image", also known as "deadlock").<br />
He believes that mountain bikers have better pedalling technique as cyclists of other disciplines.<br />
This was justified by the fact that during riding steep mountain they remain in a bicycle<br />
seat. In order not to lose traction on gravel and loose surfaces they press on pedals evenly.<br />
The purpose of the study<br />
The exact scientific studies on this subject in the literature are lacking. The aim of scientific<br />
study was therefore to compare the range of variation of forces of cyclists and non-cyclists<br />
at different intensities. We assumed that cyclists will have a smaller difference between the<br />
maximum and minimum force as non-cyclists, and this will also depend on intensity of load<br />
speed.<br />
Methods<br />
The file consisted of 20 performance and 20 non-cyclists (recreational athletes). To the<br />
group of cyclists, we included individuals who rode at least 5000 km per year over the past<br />
5 seasons. Basic data on age, anthropometric characteristics and training history of the two<br />
files are listed in Table 1.<br />
Table 1<br />
Characteristic set of<br />
Cyclists<br />
Non-cyclists<br />
N 20 20<br />
Age (years) 26,8 ± 9,7 30 ± 8,7<br />
Weight (kg) 72,6 ± 7,8 82 ± 8,1<br />
Height (cm) 179,5 ± 6,2 180,2 ± 6,1<br />
Duration of training (years) 9 ± 3,5<br />
Training volume (km / years) 10300 ± 5151<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Assessment of pedalling techniques on a bicycle depending on intensity of training load<br />
45<br />
Testing was realized in laboratory conditions on the bicycle ergometer Ergocycle that<br />
allows monitoring of tangential driving forces at frequency of 100 Hz. In the examinations<br />
we used isokinetic mode. This regime is characterized by a constant speed ensured by the<br />
special electromagnetic brake control system, which instantly adjusts resistance force acting<br />
on the pedals so that the pedalling rate remains, regardless of the pedal force, constant.<br />
For each individual we set saddle position and handlebars. Proband stood next to the<br />
saddle, picked up the leg from the ground, so that the leg was in a horizontal position.<br />
According to the upper edge, we set the seat height. Then he sat on the bike and seat height<br />
was checked or adjusted to the upper thigh leg outstretched in the position of deadlock pedal<br />
in a way so that it reached 145 to 155 degree angle (chosen limb slightly bent at the knee<br />
joint). The handlebars were adjusted to the same height as the saddle; in case of the higher<br />
subjects it was 2 – 5 cm below.<br />
Both groups completed tests in sport footwear, which were mounted to the pedal with<br />
the help of clips and baskets. To ensure standard conditions they performed tests of load in<br />
saddle. Within the actual testing the probands went through one-minute load at a frequency<br />
of 90 revolutions per minute gradually in the wattage of 100 watts, 200 watts and 300 watts.<br />
Since performance in isokinetic mode depends on the subjective effort, selected intensity<br />
load was maintained by adjusting (increasing or decreasing) of individual effort based on<br />
immediate information on performance of subjects updated after each rotation on the ergometer<br />
monitor. Finally, test subjects underwent a 10-second maximum effort load at a<br />
frequency of 90 revolutions per minute.<br />
For every one-minute load we used the software Ergocycle and this way we obtained<br />
average minimum force (N), maximum force (N) and average force (N) of 360-degree cycle<br />
of pedal revolution. When we subtracted the minimal force from the maximum force we got<br />
the difference of force (N). When the average force divided the difference we got ratio that<br />
we expressed in percentage (%) and called it equality pedalling coefficient. We compared<br />
the differences between the two groups in the equality-pedalling coefficient, with the parametric<br />
unpaired T-test.<br />
Results and discussion<br />
The results showed that the equality-pedalling coefficient of cyclists and non-cyclists<br />
at load of 100 watts did not show significant differences (Fig. 4). We assume that this could<br />
be due to too low intensity loads that cyclists hardly every use in training.<br />
At the 200-watt load, we found significant difference (p < 0.05), where the cyclists<br />
reached a coefficient of 120 ± 20 % and 138 ± non-cyclists 19 % (Fig. 4). It is this load that<br />
is essential for cyclist's training. Average performance cyclist aerobic threshold is around<br />
200 watts and the optimal frequency of revolutions around the 90 th .<br />
Load at 300 watts confirmed a significant difference (p < 0.05) when the cyclists reached<br />
the coefficient of 116 ± 17% and non-cyclists 134 ± 24 % (Fig. 4). For this load non-cyclists<br />
have to spend a huge effort and are not able to maintain it for longer time. However, for the<br />
performance cyclists this intensity presents anaerobic threshold, in which they spent most<br />
time when racing or during time trials and training. (Vogt et al., 2006, Smith et al., 2001).<br />
At 10-second maximum pedalling efforts no significant differences (p < 0.05) between cyclists<br />
and non-cyclists (Fig. 4) were confirmed.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
46<br />
Juraj Karas<br />
Figure 4<br />
The coefficient of uniformity and cyclists pedalling at cyclists and non-cyclists<br />
at 100, 200, 300 watts and 10 seconds of maximum effort<br />
Conclusions<br />
1. The equality pedalling coefficient of cyclists and non-cyclists confirmed significant<br />
differences (p < 0.05) in 200-watt and 300-watt load in the frequency of revolutions 90 th .<br />
2. The equality pedalling coefficient of cyclists and non-cyclists didn't show significant<br />
differences in 100-watt load for 10-second maximum effort of pedalling frequency rotations<br />
90th<br />
3. Differences in equality pedalling coefficient are shown for those loads that cyclists<br />
use in training and racing. On the other hand, differences weren't shown in loads, in which<br />
cyclists do not train or train only minimally.<br />
4. Monitoring fluctuations in effective driving forces depending on the current position<br />
of the cranks appears to be an appropriate means for assessing specific training contingent<br />
changes in pedalling technique.<br />
References<br />
1. BURKE, E. R. 2003. High-tech cycling. 2nd ed. 2003, s. 282.<br />
2. CARMICHAEL, CH., ARMSTRONG, L., NYE, P. J. 2003. The Lance Armstrong Performance<br />
performance program. 2003, s. 150-154.<br />
3. CARMICHAEL, CH. 2003. Rozhodujúci jízda. Praha : Pragma 2003. 350s.<br />
4. HAMAR, D. a kol. 1996. Izokinetický bicyklový ergometer vo funkčnej diagnostike cyklistov.<br />
Telesná výchova a šport, 6, 1996, č. 4, s. 11-14.<br />
5. HAMAR, D., LIPKOVÁ, J. 2008. Fyziológia telesných cvičení. Bratislava : UK, 2008.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Assessment of pedalling techniques on a bicycle depending on intensity of training load<br />
47<br />
6. HAMAR, D., GAŽOVIČ, O., SCHICKHOFER, P. 1994. Izokinetický bicyklový ergometer – uplatnenie<br />
vo funkčnej diagnostike a rehabilitácii. Slovenský lekár, 1994, č. 6-7, s. 41-44.<br />
7. HAMID, G., SHANNON, J., MARTIN, J. 2005. Physiologic basis of respiratory disease. ch. 65,<br />
2005, s. 739.<br />
8. HILL, A. 1992. The maximum work and mechanical efficiency of human muscles, and their most<br />
economical speed. J. Physiol. (Lond.) 56, 1992, s. 19-41.<br />
9. KORFF, T., ROMER, L. M., MAYHEW, I., MARTIN, J. C. 2007. Effect of Pedaling Technique<br />
on Mechanical Effectiveness and Efficiency in Cyclists. Med. Sci. Sports Exerc. 2007, č. 6, s.<br />
991-995.<br />
10. SMITTH, M.F., DAVISON, R. C. R., BALMER, J., BIRD, S. R. 2001. Reliability of Mean Power<br />
Recorded During Indoor and Outdoor Self-Paced 40 km Cycling Time-Trials. Int. J. Sports Med.<br />
2001, č 22 (4), s. 270-274.<br />
11. VOGT, S., HEINRICH, L., SCHUMACHER, Y. O., BLUM, A., ROECKER, K., DICKHUTH, H.<br />
H., SCHMID, A. 2006. Power output during stage racing in Professional road cycling. Med. Sci.<br />
Sports Exerc. 2006, č. 1, s. 147-151.<br />
RESUMÉ<br />
POSUDZOVANIE TECHNIKY ŠLIAPANIA NA BICYKLI<br />
V ZÁVISLOSTI OD INTENZITY TRÉNINGOVÉHO ZAŤAŽENIA<br />
Juraj Karas<br />
Cieľom štúdie bolo porovnať rozsah cyklického kolísania síl (koeficient rovnomernosti šliapania)<br />
ako základu na posudzovanie techniky šliapania cyklistov a rekreačných športovcov<br />
(necyklistov) pri rôznych intenzitách zaťaženia vo frekvencii 90 otáčok. Sledovania sa zúčastnilo<br />
20 výkonnostných cestných cyklistov a 20 necyklistov. Obe skupiny absolvovali v náhodnom<br />
poradí minútové zaťaženia na izokinetickom bicyklovom ergometri na úrovni 100 watt,<br />
200 watt a 300 watt a na záver 10-sekundové zaťaženie maximálnym úsilím pri frekvencii<br />
90 otáčok za minútu. V priebehu testov sa zaznamenávala hnacia sila (sila prenášaná prostredníctvom<br />
reťaze na brzdený zotrvačník ergometra). Z každého minútového zaťaženia<br />
sme získali priemerné hodnoty minimálnej, maximálnej a priemernej sily z 360-stupňového<br />
záberového cyklu. Z nich sme vypočítavali koeficient rovnomernosti šliapania ako percentuálny<br />
podiel rozdielu medzi maximálnou a minimálnou silou a priemernej sily. Signifikantné<br />
rozdiely (p < 0,05) v koeficiente rovnomernosti šliapania sa ukázali pri 200-wattovom<br />
a 300-wattovom zaťažení, t. j. v tých intenzitách, ktoré sú typické pre cyklistický tréning<br />
a preteky. Výsledky preukázali špecifický efekt tréningu na techniku šliapania v závislosti<br />
od intenzity tréningového zaťaženia v preferovanej frekvencii šliapania.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
48<br />
Juraj Karas<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Effects of the quality of selected kinds of game skills of an individual on the set outcome in men’s top-level volleyball<br />
49<br />
EFFECTS OF THE QUALITY OF SELECTED KINDS<br />
OF GAME SKILLS OF AN INDIVIDUAL ON THE SET OUTCOME<br />
IN MEN’S TOP-LEVEL VOLLEYBALL<br />
Vladimír Přidal, Jaroslav Hančák<br />
Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: The purpose of the submitted study is to find indicators of the set outcome in men's<br />
top-level volleyball based on investigation into differences in the quality of realisation of individual<br />
kinds of attack hits, blocks and service between winning and losing teams. In order to find<br />
dependences between the dependent variable – set outcome, and independent variables – quality<br />
of realisation of the investigated kinds of attack hit, block and service, χ 2 -test was used. In search<br />
for relative differences between winning and losing teams in the investigated assessment grades,<br />
the test of significance of difference in relative values was used. Of total eight investigated game<br />
performance indicators, we discovered four that can be considered limiting indicators of the set<br />
outcome. They include the quality of spike (p < 0.01), tip (p < 0.05), double block (p < 0.01)<br />
and jump serve (p < 0.01).<br />
Key words: volleyball, men, set outcome, kind of game skills of an individual<br />
Analysis of the issue<br />
Search for the reasons why a team won a match is considered one of the key fields of<br />
investigation into the volleyball game performance. Discovering the reasons for winning or<br />
losing can bring valuable information allowing coaches to respond correctly within their<br />
coaching strategy and to identify possible corrections to the training process. Investigation<br />
into the indicators limiting a team’s success in a set has been undertaken by several authors<br />
(Eom, Schutz, 1992; Přidal, 2001, 2002; Hairinen, Hoivala, Blomqvist, 2004; Marcelino,<br />
Mesquita, 2008; Monteiro, 2009; Marcelino, 2010 and others).<br />
On the other hand, the issue of relations between the used kind of game skills and the<br />
quality of their realisation or the quality of realisation of individual kinds of game skills by<br />
an individual in relation to a volleyball team’s success in a set has been investigated by far<br />
less authors. Out of the above relations, service was analysed most frequently. In evaluation<br />
of the men’s final at the 2002 World Championships, Ejem (2003) did not ascertain any<br />
significant differences between the quality of the used kind of service and team’s success in<br />
a set. On the other hand, Přidal (2012) found significant dependences between the kind and<br />
the quality of service. He discovered that jump serve is more effective than floater. Causal<br />
relations between the opponents’ serve and set up for an attack in Greek setters was investigated<br />
by Papadimitriou et al. (2004). They monitored pass, set and attack hit kinds. They<br />
ascertained that the quality of pass indirectly determines the attack strategy, although without<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
50<br />
Vladimír Přidal – Jaroslav Hančák<br />
any effect on the set efficacy and attack hit kind. Tsivika, Papadopoulou (2008) found significant<br />
differences between the kind and placing of the serve as well as between the kind and<br />
the zone of the attack-hit realisation. Přidal, Hančák (2010) found significant dependences<br />
between an exact pass of the opponent’s service and the following kind of block of the serving<br />
team in both winning and losing teams in top-level men’s volleyball.<br />
The purpose of our study was to discover indicators of the set outcome based on investigation<br />
into the relations between the set outcome and the quality of selected kinds of end<br />
game skills of individuals in top men’s volleyball. We assume different frequency of quality<br />
assessment grades between the set winning and set losing teams as regards the quality of<br />
realisation of individual kinds of attack hits, blocks and serves.<br />
Methodology<br />
The investigated sample consisted of top-level men’s volleyball national teams assessed<br />
in matches at the 2009 European Championships. Total 12 matches were assessed that<br />
included 48 sets. We used the absolute, one-stage ex post facto research. The basic method<br />
of data collection was indirect monitoring and professional assessment.<br />
We assessed the following variables:<br />
– Team’s success in a set – the criterion was a won or lost set;<br />
– Kind of the attack hit (spike, lob, tip), block (single block, double block, triple block)<br />
and service (jump serve, floater) realisation;<br />
– Quality of realisation of the selected kinds of game skills of individuals.<br />
In assessment of the quality of realisation of the assessed game skills, a four-grade scale<br />
of assessment was used:<br />
– Grade 1: the most effective realisation of a game skill resulting in a point for the<br />
attacking team;<br />
– Grade 2: effective realisation of a game skill resulting in a playable ball and creating<br />
advantageous game conditions for the assessed team;<br />
– Grade 3: ineffective realisation of a game skill resulting in a playable ball, but<br />
creating disadvantageous conditions for the assessed team;<br />
– Grade 4: fault resulting in a point for the opponent.<br />
The methodology of assessment is based on an assumption that the rate of the assessed<br />
game skill efficacy is reflected in the quality of the following game skill.<br />
We verified the existence of dependences between the set outcome (won or lost set)<br />
and the quality of individual attack hits, blocks and serves. Then the most significant<br />
relative differences between winning and losing teams in individual assessment grades of<br />
the quality of realisation of individual kinds of the assessed game skills of individuals were<br />
compared.<br />
In order to find causal relations between a dependent variable – the set outcome, and<br />
independent variables – quality of realisation of the investigated kinds of attack hit, block<br />
and serve in all the assessed grades, χ 2 -test was used.<br />
In search for relative differences between winning and losing teams in the investigated<br />
assessment grades, the test of significance of difference in relative values according to<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Effects of the quality of selected kinds of game skills of an individual on the set outcome in men’s top-level volleyball<br />
51<br />
Hendel (2009) was used. Significance of differences was assessed on the 5 % and 1 % level<br />
of statistical importance. The kind of a particular game skill, in which significant differences<br />
in the quality of its realisation between teams winning and losing a set were found, was<br />
considered an indicator of the team’s success in a set.<br />
For interpretation of results, logical methods, such as analysis, synthesis, inductive and<br />
inductive/deductive procedures were used.<br />
Results and discussion<br />
Frequency of occurrence of individual kinds of the assessed game skills<br />
of an individual<br />
Total 2 503 attack hits in matches were assessed. From the aspect of individual investigated<br />
kinds of attack hits, most of them were spikes (84.2 %). When compared to spikes,<br />
considerably lower was the number of technical hits, such as lobs or tips (6.1 % and 9.7 %<br />
respectively).<br />
%<br />
90<br />
85<br />
80<br />
75<br />
70<br />
65<br />
60<br />
55<br />
50<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
Spike Lob Tip<br />
84,2 6,1 9,7<br />
Figure 1<br />
Frequency of occurrence of individual kinds of attack hits<br />
We assessed total 2 273 blocks. In the assessment of frequency of individual kinds of<br />
blocks from the aspect of blockers, it was found that a match includes mostly double blocks<br />
(55.7 %) and single blocks (28.4 %). The recorded number of triple blocks was considerably<br />
lower (12.5 %) and the least of all occurred a situation where the defending team failed to<br />
set up a block (3.4%). Failure to set up a block was not assessed in game situations where<br />
the attacking team failed to create conditions for attack termination, but only for pushing<br />
the ball to the opposite side. This way, only the situations where the defending team was<br />
unable to block the opponent's attack that could end by any of the above hits were assessed.<br />
The reason could be a surprising attack, bad evaluation of the game situation, etc. The<br />
dominancy of group blocks (double block, triple block) is clear and confirms the basic<br />
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52<br />
Vladimír Přidal – Jaroslav Hančák<br />
strategy of current top teams to field as many blockers against the opponent’s attack as<br />
allowed by the game situation (Fig. 2).<br />
%<br />
60<br />
55<br />
50<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
Singel block Double block Triple block No block<br />
28,4 55,7 12,5 3,4<br />
Figure 2<br />
Frequency of occurrence of individual kinds of blocks<br />
As regards the frequency of occurrence of individual kinds of serves, total 2 140<br />
serves were recorded. In top-level volleyball, most frequently used kinds of serves are jump<br />
serve and float. In the investigated sample, we recorded 1 121 (52.4 %) jump serves and 1<br />
019 (47.6%) floats (Fig. 3).<br />
60<br />
55<br />
50<br />
45<br />
40<br />
35<br />
% 30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
Jump serve<br />
Floater<br />
52,4 47,6<br />
Figure 3<br />
Frequency of occurrence of individual kinds of serves<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Effects of the quality of selected kinds of game skills of an individual on the set outcome in men’s top-level volleyball<br />
53<br />
Analysis of relations between the set outcome<br />
and the quality of individual kinds of attack hits<br />
Relation between the set outcome and the quality of spike<br />
Significant dependence was found (χ 2 = 21.31573829, p < 0.01) in relation between<br />
the set outcome and the quality of spike. Testing of significance of differences in relative<br />
values of individual assessment grades between winning and losing teams confirmed<br />
significant differences in both the most effective spike (z = 1.6512479, p < 0.01) and faulty<br />
spike (z = 1.6512479, p < 0.01).<br />
It appears that winning teams gain more points in a set by spiking and are able to produce<br />
fewer faults in comparison to losing teams (Fig. 4). This may result from better selection of<br />
attack placing, detection of the opponent’s defence weaknesses, opportunity to attack more<br />
often after an exact set and more appropriate distribution of sets by winning teams.<br />
The statistical analysis shows that the quality of spike is an indicator of the set outcome.<br />
65<br />
60<br />
55<br />
21.31573829**<br />
50<br />
45<br />
40<br />
% 35<br />
30<br />
p < 0.01<br />
25<br />
20<br />
15<br />
10 p < 0.01<br />
5<br />
0<br />
1 2 3 4<br />
Winning 57,6 17,3 9,8 15,3<br />
Loss 48,2 20 10,8 21<br />
Spike quality<br />
Figure 4<br />
Relation between the set outcome and the quality of spike<br />
Relation between the set outcome and the quality of lob<br />
Testing of statistical importance did not confirm any significant dependence between<br />
the set outcome and the quality of lob (χ 2 = 4.206516891, p ˃ 0.05). From the aspect of<br />
significance of differences in relative values of individual quality assessment grades, no<br />
statistically significant differences between winning and losing teams were found (Fig. 5).<br />
This result can be explained by the fact that lob as a technical hit is used by attacking players<br />
of both winning and losing teams most frequently in disadvantageous game situations where<br />
the purpose of attack is only to hold the ball in and not fault. That is why the distribution of<br />
individual grades of the lob quality is similar in both winning and losing teams.<br />
The lob effectiveness is the lowest of all the assessed kinds of attack hits. On the other<br />
hand, players of both winning and losing teams fault the least with this technique. Lob is<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
54<br />
Vladimír Přidal – Jaroslav Hančák<br />
used by players of both winning and losing teams least of all the assessed kinds of attack<br />
hits. The statistical analysis shows that the quality of lob does not indicate the set outcome.<br />
%<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
4.206516891<br />
0<br />
1 2 3 4<br />
Winning 30,1 25,3 37,4 7,2<br />
Loss 17,8 27,4 41,1 13,7<br />
Lob quality<br />
Figure 5<br />
Relation between the set outcome and the quality of lob<br />
Relation between the set outcome and the quality of tip<br />
Significant dependence (χ 2 = 10.00066615, p < 0.05) was confirmed in relation between<br />
the set outcome and the quality of tip. Testing of significance of differences in two relative<br />
values of individual assessment grades between winning and losing teams showed significant<br />
differences only in faulty tip of 9.5 % (z = 2.548772, p < 0.05). It results from the statistical<br />
analysis that the quality of tip is one of the indicators of the set outcome.<br />
Both the frequency and effectiveness of tip in both winning and losing teams is, similarly<br />
to lob, very low (Fig. 6). Tip, as another variant of technical hits, is most often used in case<br />
of an inaccurate set to the net as an “emergency solution”, or in case of an accurate set to<br />
surprise defenders in the opposite field. In the latter case, attackers of winning teams were<br />
able to use tip "advantages” more effectively than attackers of losing teams. A statistically<br />
significant difference was found in faulty tips where losing teams faulted more and thus lost<br />
more points than the winning ones. Whether the higher fault rate was caused by the effect<br />
of inaccurate set or its inaccurate realisation by an attacker, it can be left only as an assumption<br />
based on our evaluation procedures.<br />
From the aspect of individual kinds of attack hits, it clearly appears that the most effective<br />
kind of attack hit is spike, thus it is only logical that this is also the most used hit by attackers.<br />
Lob and tip serve only as an attack variant after an inaccurate set or as an option of a surprising<br />
attack putting higher demands on defenders of the opponent as regards their attention<br />
and "game reading”.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Effects of the quality of selected kinds of game skills of an individual on the set outcome in men’s top-level volleyball<br />
55<br />
%<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
1 2 3 4<br />
Winning 35,8 40,4 18,3 5,5<br />
Loss 30 28,6 26,4 15<br />
Tip quality<br />
10.00066615*<br />
p < 0.05<br />
Figure 6<br />
Relation between the set outcome and the tip quality<br />
Analysis of relations between the set outcome and the quality<br />
of individual kinds of blocks<br />
Relation between the set outcome and the single-block quality<br />
No significant dependence (χ 2 = 4.587903003, p > 0.05) was found in relation between<br />
the set outcome and the single block quality. Testing of statistical significance of differences<br />
in relative values of individual assessment grades between winning and losing teams<br />
did not show any significant differences (Fig. 7).<br />
%<br />
75<br />
70<br />
65<br />
60<br />
55<br />
50<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
4.587903003<br />
1 2 3 4<br />
Winning 9,7 9,6 19 61,7<br />
Loss 7,3 6,1 19,9 66,7<br />
Single block quality<br />
Figure 7<br />
Relation between the set outcome and the single block quality<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
56<br />
Vladimír Přidal – Jaroslav Hančák<br />
Relation between the set outcome and the double block quality<br />
Significant dependence (χ 2 = 25.66360448, p < 0.01) was found between the set outcome<br />
and the double block quality. Testing of significance of differences in relative values of<br />
individual assessment grades between winning and losing teams determined statistically<br />
significant differences in grades 1, 3 and 4 (Fig. 8). It results from the statistical analysis<br />
that the double block quality is an indicator of the set outcome.<br />
Winning teams were able to score more and fault less with double block. In an effective<br />
double block (grade 2), by means of which a team has created optimum conditions for counterattack<br />
setup and end, differences between winning and losing teams were minimum. Important<br />
is also the finding that significant differences in block efficacy were found in particular in<br />
double block, which occurs most of all in the game. This may be caused by a better tactical<br />
preparation of teams before a match or by better abilities of blockers to "read” the opponent’s<br />
game.<br />
65<br />
60<br />
55 25.66360448**<br />
50<br />
45<br />
%<br />
40<br />
35<br />
30<br />
p < 0.01<br />
25<br />
20 p < 0.01<br />
p < 0.01<br />
15<br />
10<br />
5<br />
0<br />
1 2 3 4<br />
Winning 14,3 15,3 25,1 45,3<br />
Loss 8,8 14,4 18,5 58,3<br />
Double block quality<br />
Figure 8<br />
Relation between the set outcome and the double block quality<br />
Relation between the set outcome and the triple block quality<br />
In this relation, significant dependence was not confirmed (χ 2 = 3.782230542, p > 0.05).<br />
Neither have we found any significant differences in relative values of individual assessment<br />
grades between winning and losing teams (Fig. 9). It can be stated that the triple block quality<br />
is not an indicator of the set outcome.<br />
The group triple block is a frequently used defensive game combination in disadvantageous<br />
game situations facing the opponent’s attack. In spite of the fact that no significant<br />
dependences were found, the results indicate that winning teams reached higher relative<br />
values of positive quality assessment grades (grade 1 and 2) in the assessed matches when<br />
they were able to gain more points by triple blocks and create more optimum conditions for<br />
a counter-attack in comparison to losing teams. On the other had, higher values of negative<br />
assessment grades (grades 3 and 4) were reached by losing teams having higher fault rate<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Effects of the quality of selected kinds of game skills of an individual on the set outcome in men’s top-level volleyball<br />
57<br />
and creating higher number of disadvantageous situations for their own team game. Triple<br />
block is the most effective kind of block, and the basic strategy of defending teams must<br />
build on the tactics based on setting up a triple block, if permitted by game situation.<br />
%<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
3.782230542<br />
0<br />
1 2 3 4<br />
Winning 17,7 26,9 24,6 30,8<br />
Loss 11,8 22,3 30 35,9<br />
Triple block quality<br />
Figure 9<br />
Relation between the set outcome and the triple block quality<br />
Analysis of relations between the set outcome and the quality<br />
of individual kinds of service<br />
Relation between the set outcome and the jump serve quality<br />
Testing of statistical significance showed significant dependences between the set<br />
outcome and the jump serve quality (χ 2 = 10.66933065, p < 0.01). Testing of significance<br />
of differences in individual assessment grades between winning and losing teams showed<br />
significant differences in grades 1 (z = 2.4239447, p < 0.01) and 4 (z = 2.30896, p < 0.01).<br />
The statistical analysis shows that the quality of jump serve is an indicator of the set outcome.<br />
Winning teams gained more points by jump serve and were able to do fewer faults in<br />
comparison to losing ones (Fig. 10). High share of ineffective serves (more than 50 %) points<br />
to high accuracy of jump serve receiving in men’s top volleyball.<br />
Relation between the set outcome and the floater quality<br />
No significant difference was found in relation between the set outcome and the floater<br />
quality (χ 2 = 3.652798941, p > 0.05). Neither was found any significant difference in all the<br />
assessment grades of the float serve quality by testing of significance of differences between<br />
the winning and losing teams (Fig. 11). It results from statistical analysis that the quality of<br />
float is not an indicator of the set outcome.<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
58<br />
Vladimír Přidal – Jaroslav Hančák<br />
60<br />
55<br />
50<br />
10.66933065**<br />
45<br />
40<br />
35<br />
p < 0,01<br />
% 30<br />
25<br />
20<br />
p < 0.01<br />
15<br />
10<br />
5<br />
0<br />
1 2 3 4<br />
Winning 8,3 14,6 55,7 21,4<br />
Loss 4,7 16,1 51,8 27,4<br />
Jump serve quality<br />
Figure 10<br />
Relation between the set outcome and the jump serve quality<br />
85<br />
80<br />
75 3.652798941<br />
70<br />
65<br />
60<br />
55<br />
50<br />
% 45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
1 2 3 4<br />
Winning 2,9 12,8 78,2 6,1<br />
Loss 1,2 12,2 79,8 6,8<br />
Floater quality<br />
Figure 11<br />
Relation between the set outcome and the floater quality<br />
Differences found in all the quality assessment grades between winning and losing teams<br />
were very small. The speed of a floating ball flight is slower, that is why teams do not achieve<br />
as high effectiveness and score as with the jump serve. On the other hand, the fault rate in<br />
float is much lower than with the jump serve. Floater fulfils more a tactical intention of<br />
a team to lower the fault rate and to place the serve exactly into a space of a weaker receiving<br />
player or front-row player, making his following attack more difficult.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Effects of the quality of selected kinds of game skills of an individual on the set outcome in men’s top-level volleyball<br />
59<br />
Conclusion<br />
The purpose of our study was to discover indicators of the set outcome based on investigation<br />
into the relations between the set outcome and the quality of realisation of selected<br />
kinds of end game skills of an individual in men’s top-level volleyball.<br />
It was ascertained that winning teams were able to achieve relatively more points in<br />
a set by spiking and their fault rate was significantly lower than that of losing teams. Fault<br />
rate was crucial in evaluation of the tip quality where winning teams produced far less faults<br />
than the losing ones. On the other hand, we did not find any significant differences between<br />
winning and losing teams in the lob quality. It appears that the quality of spike and tip are<br />
the indicators of the set outcome.<br />
By investigation of relations between the set outcome and the quality of individual<br />
evaluated kinds of blocks, it was found that only the quality of a double block could be<br />
considered an indicator of the set outcome. The most important fact is that teams winning<br />
a set use more double blocks than losing teams. No significant differences were found in<br />
the single and triple block quality between winning and losing teams.<br />
We found dependences between the set outcome and the quality of jump serve as well.<br />
Players of teams winning a set achieve by jump serve more points and produce fewer faults.<br />
This way, jump serve can be considered an indicator of the set outcome. On the other hand,<br />
no significant differences between winning and losing teams were found in the quality of<br />
floater.<br />
Of total eight investigated game performance indicators, we discovered four that can<br />
be considered limiting indicators of the set outcome. They include the quality of spike, tip,<br />
double block and jump serve.<br />
The results apply to the category of top men’s volleyball teams. Verification of these<br />
results application to other age or performance categories will need special investigations.<br />
References<br />
1. EOM, H. J., SCHUTZ, R. V. 1992. Statistical Analysis of Volleyball Team Performance. Res. Quart.<br />
Exerc. Sport. 63, 1992, No. 1, pp. 11-18.<br />
2. HAIRINEN, M., HOIVALA, T., BLOMQVIST, M. 2004. Differences between winning and losing<br />
teams in men’s European top-level volleyball. in KIHU – Research Institute for Olympic Sports.<br />
Jyväskylä, Finland : Finnish Volleyball Association, 2004.<br />
3. HENDL, J. 2009. Přehled statistických metod : analýza a metaanalýza dat. Praha : Portál, 2009.<br />
696 pp. ISBN 978-80-7367-482-3.<br />
4. EJEM, M. 2003. Servis v současném vrcholovém volejbale. Zpravodaj Českého volejbalového svazu,<br />
2003, č. 1, pp. 19-20.<br />
5. MARCELINO, R., MESQUITA, I. 2008. Associations between performance indicators and set<br />
results in male volleyball, In 5 th international scientific conference on kinesiology, „Kinesiology<br />
research trends and applications“. September, 10-14, 2008. Zagreb Croatia: Faculty of Kinesiology,<br />
2008, pp. 955- 958.<br />
6. MARCELINO, R. et al. 2010. Study of performance indicators in male volleyball according to<br />
the set results. In Revista Brasileira de Educaçăo Física e Esporte, Vol. 24, No. 1 Săo Paulo : Jan,<br />
2010.<br />
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60<br />
Vladimír Přidal – Jaroslav Hančák<br />
7. MONTEIRO,R. et al. 2009. Relationship between the set outcome and the dig and attack efficacy<br />
in elite male Volleyball game. In International Journal of Performance Analysis in Sport. Volume<br />
9, Number 3, 2009, pp. 294-305.<br />
8. PAPADIMITRIOU, K. et al. 2004. The effect of the opponents' serve on the offensive actions of<br />
Greek setters in volleyball games. International Journal of Performance Analysis in Sport, 2004,<br />
1, pp. 23-33.<br />
9. PŘIDAL, V. 2002. Závislosť úspešnosti družstva od kvantitatívných a kvalitatívnych charakteristík<br />
herných činností jednotlivca vo volejbale. In Acta Facultatis Educationis Physicae Universitatis<br />
Comenianae XLII, Bratislava : UK, 2002. ISBN 80-223-1694-6.<br />
10. PŘIDAL, V. 2002. Závislosť úspešnosti družstva od kvality herných činností jednotlivca pri zakladaní<br />
a zakončení útoku vo volejbale. In Česká kinantropologie, 2002, No.1.<br />
11. PŘIDAL, V. 2012.Vzťah medzi vybranými parametrami podania vo vrcholovom volejbale mužov.<br />
Česká kinantropologie, 2012, č.1.s. 58-69.ISSN 1211-9261.<br />
13. PŘIDAL, V., HANČÁK, J. 2010. Vplyv presnosti príjmu podania na vytvorenie výhodnejších<br />
herných situácií v útoku vo vrcholovom volejbale mužov. In Zborník vedeckých prác. Bratislava :<br />
Katedra hier FTVŠ UK, 2010, č. 15, pp. 85-95. ISBN 978-80-8113-021-2.<br />
14. TSIVIKA, M., PAPADOPOULOU, S.D. 2008. Evaluation of the Technical and Tactical Offensive<br />
Elements of the Men’s European Volleyball Championship. [on-line]. In Physical Training, December<br />
2008, [quoted on 20.8.2011]. available at z http://ejmas.com/2008/pt/ptart_tsivika_0812.html<br />
RESUMÉ<br />
VPLYV KVALITY VYBRANÝCH DRUHOV<br />
HERNÝCH ČINNOSTÍ JEDNOTLIVCA NA ÚSPEŠNOSŤ DRUŽSTVA<br />
V SETE VO VRCHOLOVOM VOLEJBALE MUŽOV<br />
Vladimír Přidal, Jaroslav Hančák<br />
V predloženej štúdii zisťujeme indikátory úspešnosti družstva v sete vo vrcholovom volejbale<br />
mužov na základe skúmania rozdielov v kvalite realizácie jednotlivých druhov útočných<br />
úderov, blokov a podania medzi víťaznými a porazenými družstvami. Na zistenie súvislostí<br />
medzi závisle premennou – úspešnosťou družstva v sete a nezávisle premennými – kvalitou<br />
realizácie skúmaných druhov útočného úderu, bloku a podania sme použili χ 2 -test. Pri hľadaní<br />
relatívnych rozdielov medzi víťaznými a porazenými družstvami v skúmaných stupňoch<br />
hodnotenia sme použili test významnosti rozdielu relatívnych hodnôt. Z ôsmich skúmaných<br />
ukazovateľov herného výkonu družstva sme odhalili štyri, ktoré môžeme považovať za<br />
indikátory limitujúce úspešnosť družstva v sete. Konkrétne ide o kvalitu smeča (p < 0,01),<br />
ulievky (p < 0,05), dvojbloku (p < 0,01) a smečovaného podania (p < 0,01).<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Life satisfaction of sedentary and physically active population<br />
61<br />
LIFE SATISFACTION OF SEDENTARY<br />
AND PHYSICALLY ACTIVE POPULATION<br />
Dagmar Nemček, Jela Labudová, Stanislav Kraček<br />
Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: Life satisfaction of a man is closely related to the assessment of quality of life, but<br />
it also reflects the life-style, which should include the regular participation in physical activity.<br />
Therefore, this research contributes to knowledge of the life satisfaction of the population in<br />
relation to sport. The largest percentage of our group (n = 452) consisted of recreational athletes<br />
(59.5 %), 25.7 % of all respondents were elite athletes and 14.8 %, sedentary people. To collect<br />
an empirical data we used a standardized questionnaire SWLS. We evaluated the significance<br />
of differences between the level of life satisfaction and groups of respondents, by the Chi – square.<br />
The results showed notable differences in levels of life satisfaction in terms of sports, where<br />
a significantly higher satisfaction with life, showed the group of people regularly performing<br />
sport activity (elite and recreational levels) compared to the population favouring a sedentary<br />
lifestyle. Sport and active lifestyles are important resources that contribute to increase life<br />
satisfaction of citizens.<br />
Keywords: life satisfaction, sedentary living population, leisure time athletes, elite athletes<br />
Introduction<br />
Post modern culture is reflected by its effort lo lead a quality life, the subtext of which<br />
is a health care, fear of illness, self awareness, your inner desire for liberation from the<br />
common way of life, finding fulfilment and life satisfaction. It is very important to become<br />
an element of evaluation, for example: how one influences and is able to prove his/her<br />
existence at a certain age period, such as his/her value orientation, household management,<br />
type of family life, education, leisure time activities, participation in social life (Horák, 1996).<br />
Jansa (2005) stated that the dynamic form of being an individual is determined genetically<br />
(inherited disposition), ethnically (cultural adaptation to gender), socially (family life, human<br />
characteristics such as adolescent, adult, pensioner), culturally (traditions, customs, sports<br />
activities), professionally (selected occupation), generation determination (relationships<br />
between adults and youth).<br />
According to Slepičková (2005), the variety of different human activities in life can be<br />
found, from thinking, through the addictive behaviour to the permanent activities taking<br />
place in the lives. These activities depend on the biological and social components of life.<br />
They are associated with important factors, such as sports activities, as well as other important<br />
activities and relationships and practices aimed at achieving full and harmonious state between<br />
physical and mental aspects of a man. Life satisfaction of a man is closely related to the<br />
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Dagmar Nemček – Jela Labudová – Stanislav Kraček<br />
evaluation of a life quality, but it also reflects the lifestyle of a man. Hartl and Hartlová (2010)<br />
perceive this as an expression of feeling of happiness in life where the key features are: selfsufficiency,<br />
mobility, self-realization, his mood, and thus the level of their life satisfaction<br />
or dissatisfaction. To express the feelings of happiness in life and subjective well-being,<br />
one should consider:<br />
– Emotional component, consisting of positive and negative emotions<br />
– Cognitive component, consisting of satisfaction with my life.<br />
Variety of individual assessment of a person by Satisfaction with Life Scale (Diener<br />
et al., 1985), Meaning in Life range (Halama, 2002) and Rosenberg Self-Esteem Scale (Rosenberg,<br />
1965) were used in this research. In general, we can suggest that the quality of life<br />
illustrates many aspects of the reflection of real life. It is fact, how individuals perceive their<br />
position in the context of cultural and value systems of the society in which he lives, in relation<br />
to its objectives, expectations, interests and lifestyle. Although the basis remains the subjective<br />
experience of human health and self-evaluation, objective, the measurable factors, aspects<br />
of meaning and value at the individual level are still very important. Subjective experience<br />
is a reflection of objective reality and it is more important than objective. People perceive<br />
their position in life in the context of values of the society they live in and in relation to its<br />
objectives, expectations, fulfilment of their interests and lifestyle determinants. These can<br />
be expressed by: objective measurement of social indicators, subjective estimation of the<br />
overall life satisfaction, and subjective estimation of satisfaction in various areas of life.<br />
The optimal life satisfaction is the balance between life goals and objective conditions, their<br />
impact, prospects of experience. What is needed is confidence as belief in own abilities to<br />
organize, and solve the tasks necessary to cope with the situation, control of one’s lives and<br />
overcome the pitfalls of the environment, as well as expectations of his/her own efficiency<br />
and consequences of the actions, and conviction that the action leads to his/her satisfaction.<br />
Life satisfaction of growing age is strongly influenced by life experience and relationships,<br />
especially family relationships and health status. The questionnaire survey of 11, 13<br />
and 15 year olds from Slovakia (HBSC-Slovakia, 2011) presented that 80% of respondents<br />
in all age groups rated their life satisfaction positively (at 6 points or more). The evaluation<br />
of girls was worse than the evaluation of boys. There is also statistically significant difference<br />
among girls in ratings of life satisfaction among 11 years and 15 years of age. This research<br />
was based on the question: “In general, where do you feel your life is on the scale from 0<br />
(worst possible life) to 10 points (best possible life)?”<br />
Bardiovský (2010) published an opinion of people in wheelchairs (n = 40) on the meaning<br />
of their lives. The respondents with disabilities, who were in a wheelchair after an accident,<br />
have responded to 18 questions. It was found out that 68% of them ranked in the average<br />
range of life meaningfulness. The most common motive for their action was: "There are things<br />
in which I am engaged," "I have goals in life, I would like to meet." Peráčková (2011) stated<br />
that life satisfaction and quality of life depends on the value orientation of understanding<br />
the meaning of life in biodromal development of personality. Nemček (2011) focused on<br />
the relationship of sports and quality of life of older people (n = 144), where she found out<br />
that sport does not play a significant role in the life of a senior and it does not participate in<br />
increasing life satisfaction.<br />
The contribution of our research work is to present the importance of the life satisfaction<br />
of the population in relation to sport. Research is conducted within the grant project MŠVVŠ<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Life satisfaction of sedentary and physically active population<br />
63<br />
SR titled "Sport in the lives of specific groups of people as an instrument of social inclusion"<br />
registered under 1/0099/12.<br />
Aim<br />
Our aim is to enhance knowledge of life satisfaction of sedentary and sporty-active<br />
population in order to highlight the differentiation between them. We expect significant<br />
differences in different levels of life satisfaction among sedentary and sporty-active population,<br />
where elite athletes will have the highest level of life satisfaction, expressed in all five<br />
statements.<br />
Tasks<br />
1. To analyse the level of satisfaction with five statements, relating to the life satisfaction<br />
differentially in three population groups (leisure time athletes, elite athletes and population<br />
with a sedentary lifestyle).<br />
2. To compare the differences in the level of life satisfaction among the three evaluated<br />
groups of respondents.<br />
3. Global assessment of the extent of life satisfaction of the population with a sedentary<br />
lifestyle, leisure time athletes and elite athletes and appraisal of the differences between the<br />
groups.<br />
Methods<br />
The group consisted of a total of 452 respondents who were mostly aged 15 – 29 years<br />
(59.3 %), nearly half of them were students (48.3 %), childless (63.9 %) and unmarried<br />
(63.1 %). The largest percentages of respondents were leisure time athletes (59.5 %) at<br />
a frequency of three (31.3 %) and four times (28.5 %) a week. Respondents were randomly<br />
selected mainly from Bratislava and its surroundings (Table 1).<br />
Empirical data was obtained using a standardized questionnaire SWLS (Satisfaction<br />
with Life Scale) – A range of life satisfaction (Diener et al., 1985). The range was designed<br />
to determine the personal, comprehensive judgment of life satisfaction, which is theoretically<br />
predictable, depending on the circumstances of life compared with some of the individual<br />
standards. SWLS consists of five items. Items of this scale are global rather than specific<br />
nature, which is the respondent in the process of forming an overall judgment of life satisfaction<br />
to consider possible areas of your life in accordance with their own values. The authors<br />
emanate from the opinion that each individual has different standards for success in the<br />
corresponding areas of his life. It is therefore necessary for the assessment of the overall<br />
level of life satisfaction rather work with complex statements relating to life as a whole than<br />
those which are always oriented to only one specific area. For each item respondents expressed<br />
their agreement or disagreement with the statement given by a seven-point Likert scale<br />
(Diener, et al., 1997). The points on a scale expressed the following views: 1 – strongly<br />
disagree with the statement, 2 – disagree, 3 – slightly disagree, 4 – both agree and disagree,<br />
5 – slightly agree 6 – agree, 7 – strongly agree with the statement. The point value 1 was<br />
a poor measure of the construct, the value of 7 strongly construct. The answers can be obtained<br />
for each item from 1 to 7 points. Assigning a value score of 7 – 5 points means a higher<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
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Dagmar Nemček – Jela Labudová – Stanislav Kraček<br />
level of life satisfaction, by assigning 4 – neutral and assigning 3 – 1 point’s satisfaction means<br />
lower levels of life satisfaction.<br />
Table 1<br />
Percentage of respondents from different perspectives<br />
SAMPLE REPRESENTATION [%]<br />
Sex<br />
Age<br />
Work status<br />
Marital Status<br />
Children<br />
Sport<br />
Men<br />
Women<br />
41.59 58.41<br />
15 – 29 30 – 44 over 45<br />
59.3 22.1 18.6<br />
Employed Unemployed Students<br />
44.9 6.8 48.3<br />
Single Married Divorced Widowed<br />
63.1 31.4 4.6 0.9<br />
Having children<br />
Childless<br />
36.1 63.9<br />
Elite athletes Leisure time athletes Sedentary living population<br />
25.7 59.5 14.8<br />
The overall dimension of life satisfaction can have values from 5 to 35. The scores<br />
obtained through this range can be interpreted in absolute as well as the relative life satisfaction.<br />
Point scores falling below the interval from 5 to 9 representing extreme dissatisfaction,<br />
interval from 10 to 14 – dissatisfaction, the score between 15 and 19 points to slightly disgruntled<br />
individuals, the range from 20 to 24 represents a partial life satisfaction, the interval<br />
from 25 to 29 includes individuals who are living very happy, and achieving a score above<br />
30 indicates the extremely high life satisfaction (Diener et al., 1985). In the Questionnaire<br />
SWLS were added the personal details of respondents and information about their participation,<br />
respectively absence of physical activity and sport.<br />
For the statistical evaluation of data, we used the percentage of respondents' answers,<br />
the mean of the responses expressed by respondents and the standard deviation. The significance<br />
of differences between the levels of life satisfaction among groups of respondents<br />
were evaluated by Chi-square (qualitative assessment values) to 1 %, 5 % and 10 % level<br />
of statistical significance. Comparison of life satisfaction in the result section is performed<br />
in terms of participation in sport and physical activity of respondents.<br />
Results and discussion<br />
In the evaluation of the percentage representation of the respondents´ answers on the<br />
first statement we found out, that the highest level of life satisfaction showed elite athletes,<br />
whose lives were in many aspects as close to their ideal, when 6.9 % of the elite athletes<br />
expressed the highest satisfaction with life (score of 7) in the first statement, in comparison<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Life satisfaction of sedentary and physically active population<br />
65<br />
with others evaluated groups. The lowest level of satisfaction expressed the respondents<br />
currently living a sedentary lifestyle (Table 2). Likewise, talking about the total number of<br />
the respondents with point score 7 – 5, we found out that the highest levels of life satisfaction<br />
showed the clear elite athletes (64.7 %) compared to the leisure time athletes (59.6 %) and<br />
also compared to the population with a sedentary lifestyle (40.5 %), who opted to the greatest<br />
extent (32 %) for a neutral expression of life satisfaction (score of 4), and also showed the<br />
highest (27.1 %) dissatisfaction with their lives (score of 3 – 1) compared to the other<br />
groups (17.9 % and 14.7 %), although not one respondent with a sedentary lifestyle did not<br />
complete disagree with the statement.<br />
Table 2<br />
In most ways my life is close to my ideal<br />
scale of assessment/ 7 6 5 4 3 2 1<br />
respondents %<br />
A 2,7 18,9 18,9 32,4 21,6 5,5 0<br />
B 6,1 19,7 33,8 22,5 9,4 6,1 2,4<br />
C 6,9 19,0 38,8 20,6 7,8 5,2 1,7<br />
Legend to Tables 2 – 6:<br />
7 – Strongly agree A – sedentary living population<br />
6 – I agree B – leisure time athletes<br />
4 – Neither agrees nor disagrees C – elite athletes<br />
5 – Rather agree<br />
3 – Disagree<br />
2 – I disagree<br />
1 – Strongly disagree<br />
The best living conditions expressed the leisure time athletes, when complete agreement<br />
with the statement was expressed by 15 % of respondents and the group with sedentary lifestyle<br />
expressed the lowest level of satisfaction with their living conditions again, when 2.7 %<br />
with the statement did not agree at all (Table 3). In the evaluation of the total point score of<br />
7 – 5 answers, we find the highest level of satisfaction with the living conditions with elite<br />
athletes (79.9 %), slightly lower for leisure time athletes (75.6 %) and lowest in the sedentary<br />
living population, when 56.7 % of respondents opted for a positive response to the statement.<br />
On the other hand, they also showed the highest rate of disagreement with the statement of<br />
the excellent living conditions, while 18.9 % rated the statement score from 3 to 1 and also<br />
took the highest number of neutral opinion on the statement in comparison with the leisure<br />
time and the elite athletes. In this case we can confirm the highest level of satisfaction with<br />
living conditions for the elite athlete who mostly expressed a positive opinion and only the<br />
fewest (8 %) were negative.<br />
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Table 3<br />
The conditions of my life are excellent<br />
scale of assessment/ 7 6 5 4 3 2 1<br />
respondents %<br />
A 8,1 18,9 29,7 24,4 10,8 5,4 2,7<br />
B 15,0 31,5 29,1 11,7 8,4 3,3 1,0<br />
C 11,2 41,2 27,5 12,1 6,0 1,0 1,0<br />
Interesting was also the finding, that the population living a sedentary lifestyle in either<br />
case did not express their full satisfaction with their own lives, but on the other hand, none<br />
of this group of respondents did not feel complete dissatisfaction with their lives (Table 4).<br />
On the other hand, this group showed the greatest number (21.6 %) in a neutral stance in<br />
satisfaction with their lives compared to other groups evaluated. Taking into account the sum<br />
of positive responses (score of 7 – 5) across the groups in this statement, we can confirm<br />
the highest level of satisfaction with their own lives in the group of elite athletes (74.2 %),<br />
followed by leisure time athletes (67.2 %) and the last place people with a sedentary lifestyle<br />
who are satisfied with their lives at 54.1 %. This clearly indicates the negative percentage<br />
of responses (score of 3 – 1), when sedentary living population showed the highest percentage<br />
(24.3 %) compared to the leisure time athletes (15 %) and the elite athletes (7.7 %).<br />
Table 4<br />
I am satisfied with life<br />
scale of assessments/ 7 6 5 4 3 2 1<br />
respondents %<br />
A 0 18,9 35,2 21,6 16,2 8,1 0<br />
B 9,9 24,4 32,9 17,8 9,4 4,2 1,4<br />
C 7,8 27,6 38,8 18,1 3,4 2,6 1,7<br />
Leisure time athletes have gotten important things in life in the greatest number (11.7 %)<br />
and this group of respondents’ expressed complete disagreement with this statement in the<br />
fewest (0.5 %) of all three groups evaluated (Table 5). It was interesting that one respondent<br />
with a sedentary lifestyle has not reached the important things in life fully, and vice versa,<br />
2.8 % of the respondents did not agree with statement completely, which meant that they<br />
have not achieved what they want in life so far. But when we consider the positive percentage<br />
of this statement (7 – 5 score points), we find out, that the sedentary population expressed<br />
the highest rate (72.9 %) of satisfaction with their lives in this statement, and conversely the<br />
performance athletes expressed the lowest rate, when 12.6 % of the respondents in this group<br />
were less satisfied. This may be due to the fact, that in the perception of the elite athletes,<br />
the "important things" are their own performance, which is mainly in the competitions, they<br />
have high aspirations and dreams to achieve better performances, constantly improve the<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Life satisfaction of sedentary and physically active population<br />
67<br />
performance and thus express more disagreement with this statement and the lower level<br />
of life satisfaction than sedentary population for whom "important things" have completely<br />
different meaning in life. The rate of disagreement with this statement (3 – 1 score points)<br />
was same in the active and sedentary population (19 %), and the lowest with the leisure<br />
time athletes (12.7 %). The most neutral opinion on this statement took elite athletes (20.7 %).<br />
Table 5<br />
So far I have gotten the important things I want in life<br />
scale of assessment/ 7 6 5 4 3 2 1<br />
respondents %<br />
A 0 29,7 43,2 8,1 16,2 0 2,8<br />
B 11,7 29,1 26,8 19,7 8,4 3,8 0,5<br />
C 10,3 23,3 26,7 20,7 9,5 6,9 2,6<br />
The last statement expressing the degree of life satisfaction speaks in favour of leisure<br />
time population, when this group of respondents expressed the greatest degree of “strongly<br />
agree” with this statement (13.1 %), i.e.: the most of the leisure time athletes would not<br />
change absolutely anything, if they could live again (Table 6). Likewise, only one percent<br />
of respondents did not agree with this statement at all, so only one percent of respondents<br />
would lead their life in a completely different way, if they could live again. The sum of<br />
positive responses (score of 7 – 5) across the evaluated groups speaks in favour of the leisure<br />
time athletes, where the highest percentage (46.4 %) agrees with the statement. The lowest<br />
level of satisfaction with life (3 – 1 score points) expressed sedentary group of respondents,<br />
when only 59.4 % of people would change their lives, compared to 34.5 % elite athletes and<br />
26.3 % leisure time athletes. The neutral position is the most favoured among the elite athletes<br />
(24.1 %) and least among sedentary respondents (8.2 %).<br />
Table 6<br />
If I could live my life over, I would change almost nothing<br />
scale of assessment/ 7 6 5 4 3 2 1<br />
respondents %<br />
A 5,4 0 27,0 8,2 27,0 21,6 10,8<br />
B 13,1 13,6 19,7 18,3 13,1 12,2 1,0<br />
C 6,9 12,9 21,6 24,1 12,1 16,4 6,0<br />
The average value of the responses, demonstrated the highest level of satisfaction with<br />
life of active populations, when the highest average level of responses in the three statements<br />
(1, 2, 3) was recorded with the elite athletes and the remaining two statements were rated<br />
most positively among leisure time athletes (4, 5). On the other hand, the lowest level of<br />
life satisfaction was observed in populations with a sedentary lifestyle, which showed the<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
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Dagmar Nemček – Jela Labudová – Stanislav Kraček<br />
lowest average level in four out of five statements (1, 2, 3, 5) and as already mentioned above,<br />
elite athletes were mostly in conflict with the fourth statement which meant that they have<br />
not reached the important things in life yet, like achieving better performance in sports<br />
disciplines they compete in. (Table 7).<br />
Statements<br />
Table 7<br />
Assessment of the statements in terms of sports<br />
Sedentary population Recreational athletes Elite athletes<br />
x st. deviation x st. deviation x st. deviation<br />
1. 4,324 1,248 4,629 1,356 4,741 1,293<br />
2. 4,622 1,421 5,192 1,337 5,336 1,157<br />
3. 4,405 1,212 4,892 1,340 5,034 1,194<br />
4. 4,784 1,205 5,028 1,310 4,733 1,488<br />
5. 3,405 1,607 4,192 1,847 4,052 1,641<br />
Legend:<br />
1. In most ways my life is close to my ideal.<br />
2. The conditions of my life are excellent.<br />
3. I am satisfied with life.<br />
4. So far I have gotten the important things I want in life.<br />
5. If I could live my life over, I would change almost nothing.<br />
Through percentages of the respondents falling into each interval point score, we can<br />
conclude, that most respondents from the population living a sedentary lifestyle is only<br />
partially satisfied with their lives (20 to 24 points), the largest percentage of the population<br />
from the elite athletes shows a high degree of satisfaction with their lives (25 – 29 points)<br />
and leisure time athletes falls into each interval point score (partial satisfaction and high<br />
satisfaction) with the same number of respondents (31 %) (Fig. 1). 10 % and 5 % level of<br />
statistical significance of differences in the point score intervals between groups of respondents<br />
were recorded in all five intervals between sedentary population and elite athletes<br />
and in two cases it was observed significance level (p < 0.05) between leisure time athletes<br />
and sedentary population. We can state significant differences in levels of life satisfaction<br />
in terms of sports, where a significantly higher satisfaction with life has regularly sporting<br />
population (on the elite and leisure time levels) compared to the population favouring<br />
a sedentary lifestyle. Statistically significant differences in levels of life satisfaction among<br />
the leisure time and elite athletes have not been established.<br />
Although we noted significant differences in levels of life satisfaction among sedentary<br />
and active population, we could not confirm hypotheses we have set, where we assumed the<br />
highest level of satisfaction with life in all five statements with elite athletes because the<br />
percentage of respondents and the average responses speaks in benefit only of the first three<br />
statements where elite athletes achieve the highest level of satisfaction. With the fourth<br />
statement agreed in the greatest extent sedentary living population and with the fifth one<br />
agreed mostly leisure time athletes. Despite this finding, we can confidently say that sport<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Life satisfaction of sedentary and physically active population<br />
69<br />
and active lifestyles are important elements that contribute to increased life satisfaction of<br />
citizens.<br />
50<br />
45<br />
40<br />
leisure time athletes sedentary living population elite athletes<br />
35<br />
30<br />
%<br />
25<br />
20<br />
15<br />
10<br />
5<br />
p
70<br />
Dagmar Nemček – Jela Labudová – Stanislav Kraček<br />
Based on these results, we recommend to inactive public, which prefers a sedentary<br />
lifestyle, to realize that active participation in sports does not contribute only to increasing<br />
physical performance and fitness of the individual, possibly leading to changes in somatic<br />
variables. An active lifestyle, which includes regular physical activity significantly, affects<br />
the psyche of the individual by increasing his positive view of himself and his overall<br />
contribution to higher life satisfaction.<br />
References<br />
BARDIOVSKÝ, M. 2010. Šport – zmysluplný spôsob života vozíčkara po traume. In Kolektív:<br />
Pohyb a zdravie. Bratislava : PEEM, 2010, s. 6-9.<br />
DIENER, E., EMMONS, R. A., LARSEN, R. J. and GRIFFIN, S. 1985. The satisfaction with life<br />
scale. Journal of Personality Assessment, 1985, č. 49, s. 71-75.<br />
DIENER, E., SUH, E., OISHI, S. 1997. Recent Findings on subjective well – being. Citované<br />
[2012-04-01]. Dostupné na internete:<br />
http://www.psych.uiuc.edu/%7Eediener/hottopic/hottopic.htm.<br />
HALAMA, P. 2002. Vývin a konštrukcia škály životnej zmysluplnosti. In Československá psychologia,<br />
46, 2002, č. 3, s. 265-276.<br />
HARTL, P., HARTLOVÁ, H. 2010. Velký psychologický slovník. Praha : Portál, s.r.o., 2010. 800 s.<br />
HBSC-Slovensko. 2011. Sociálne determinanty zdravia školákov. HBSC-Slovensko – 2009/2010.<br />
Záverečná správa. Citované [2011-10-02]. Dostupné na internete:<br />
http://www.hbsc.org/countries/downloads_countries/Slovakia/HBSC_Internet_mensisubor_0910.<br />
pdf.<br />
HORÁK, S. 1996. Podíl tělocvičných aktivít na životním stylu pracujících. In Celostátní studentská<br />
vědecká konference s mezinárodní účastí z oboru Kinantropologie. Sborník referatů. Olomouc :<br />
FTK PU, 1996, s. 44-47.<br />
JANSA, P. 2005. Sport a pohybové aktivity v životním stylu českobudějovické populace (18 – 61<br />
a více let). In Sport a pohybové aktivity v životě české populace. Praha : FTVS UK, 2005, s. 7-82.<br />
NEMČEK, D. a kol. 2011. Kvalita života seniorov a pohybová aktivita ako jej súčasť. Bratislava :<br />
Michal Vaško – Vydavateľstvo, Prešov, 2011, s. 6-74.<br />
PERÁČKOVÁ, J. 2011. Manažment osobného rozvoja v staršom veku pre zlepšenie kvality života<br />
prostredníctvom pohybových aktivít. In NEMČEK, D. a kol. Kvalita seniorov a pohybová aktivita<br />
ako jej súčasť. Bratislava : Michal Vaško – Vydavateľstvo, Prešov, 2011, s. 96-118.<br />
ROSENBERG, M. 1965. Society and the Adolescent Self-Image. Princeton : Princeton University<br />
Press, 1965.<br />
SLEPIČKOVÁ, I. 2005. Sport a volný čas. Praha : UK FTVS, 2005.<br />
RESUMÉ<br />
ŽIVOTNÁ SPOKOJNOSŤ NEŠPORTUJÚCEJ A ŠPORTUJÚCEJ<br />
POPULÁCIE<br />
Dagmar Nemček, Jela Labudová, Stanislav Kraček<br />
Životná spokojnosť človeka je v úzkom vzťahu k posúdeniu jeho kvality života, ale je aj<br />
odrazom realizovaného životného štýlu, ktorého súčasťou by mala byť aj pravidelná účasť<br />
na pohybovej aktivite. Preto výskumom prispievame k rozšíreniu poznatkov o životnej spo-<br />
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Life satisfaction of sedentary and physically active population<br />
71<br />
kojnosti populácie vo vzťahu k športovaniu. Najväčšie percento nášho súboru (n = 452) športovalo<br />
rekreačne (59,5 %), 25,7 % bolo výkonnostných športovcov a 14,8 % nešportovalo<br />
vôbec. Na zisťovanie empirických údajov sme použili štandardizovaný dotazník SWLS.<br />
Významnosť rozdielov medzi úrovňou životnej spokojnosti a skupinami respondentov sme<br />
hodnotili Chí-kvadrátom. Výsledky ukázali signifikantné rozdiely v úrovni životnej spokojnosti<br />
z hľadiska športovania, kde výrazne vyššiu spokojnosť so životom vykazovala pravidelne<br />
športujúca časť populácie (na výkonnostnej i rekreačnej úrovni) oproti populácii preferujúcej<br />
sedavý spôsob života. Šport a aktívny spôsob života sú významnými prostriedkami,<br />
ktoré prispievajú k v zvyšovaniu životnej spokojnosti občanov.<br />
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Comenius University in Bratislava, Faculty of Physical Education and Sports
Biomechanical analysis of introductory exercises swing in vaulting riding<br />
73<br />
BIOMECHANICAL ANALYSIS OF INTRODUCTORY EXERCISES<br />
SWING IN VAULTING RIDING<br />
Martin Vaváček, Marek Hardoň, Anton Lednický<br />
Faculty of Physical Education and Sports, Comenius University in Bratislava, Slovakia<br />
Summary: Our work focuses on comparing kinematic indices of an exercise figure – a swing,<br />
being applied as an introductory exercise in the training of compulsory set of exercises in<br />
vaulting. We compared selected kinematic indices, their performance on a horse and on<br />
a barrel simulator.<br />
Via ex post facto research with the help of substantially logical methods and computer technique<br />
we tried to find differences and connections in kinematic indices. Exercises were carried out<br />
on a barrel simulator and thereafter on a horse. The follow-up file was formed by 9 top riders<br />
from various clubs in the Czech and Slovak Republic.<br />
During the research we managed to support more significant dependence between the indices<br />
– angular dimension between vertical axis and lower limbs in maximum upper position, in hand<br />
stand and distance between hips and a wrist on a horse in motion – where r = 0,833 (p < 0,01).<br />
Key words: biomechanical analysis, vaulting riding, 3D analysis, software Qualysis<br />
Introduction<br />
Problems and plenty of publications pursuing scientific research in riding sports are<br />
not extensive and mainly in vaulting very rare, though despite it the importance of scientific<br />
research starts to be underlined as necessity for the sake of more accurate and better understanding<br />
the nodal points of optimal technique when performing exercise figures or training<br />
certain motion stereotypes. More detailed was analysed the technique of exercise figures<br />
at compulsory set of exercises in the graduation thesis of KLOUDA (2010) who explored<br />
impact of premature tipping of upper body upon performance quality of introductory exercise<br />
– a swing. The research was executed with the help of biomechanical motion analysis using<br />
video analyser of SIMI MOTION software. The author ascertained that according to actual<br />
experience and in comparison with acquired data, a fault in the timing technique of exercise<br />
figures, s. c. premature „lying down,“ is the prime cause of unsuccessful attempt, in case<br />
of slight fault – less successful attempt. It is namely the matter of deviation from optimal<br />
technique and exercise performance, which further influences the whole exercise figure<br />
and can have fatal consequences upon exercise performance itself. The author claims at the<br />
same time that it expressly results from acquired facts that the main factor in the researched<br />
issue is primarily the correspondence of a rider with horse motion along with proper motion<br />
timing of particular physical segments, and not just maximal fixation and speed of lower<br />
limbs. On the other hand we can say that without sufficient accelerating of lower limbs<br />
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Martin Vaváček – Marek Hardoň – Anton Lednický<br />
the hand stand from sitting position cannot be reached. Acceleration value seems to be<br />
individual according to acquired information and undoubtedly dependent on constitutive<br />
properties of a sportsman body.<br />
Aims<br />
The aim of our work was to monitor and compare selected biomechanical parameters<br />
of introductory exercise technique – a swing, which is an inevitable prerequisite to master<br />
compulsory set of exercises by using 3D biomechanical analysis of motion in a group of<br />
top vaulting sportsmen. Concurrently we wanted to pursue dependent relation between<br />
kinematic indices when exercises are performed on a horse and on a barrel simulator and<br />
to compare each other. Quality of exercise figure - the hand stand, expressed by angular<br />
dimension (an angle between vertical axis and lower limbs), as a final position of exercise<br />
figure – a swing, shall more significantly depend on distance between sportsman’s hips and<br />
wrist in initial phase of an exercise figure riding on a horseback than on a barrel simulator.<br />
The team of experiments was formed by 9 gymnasts of the jockey clubs: Jockey Club<br />
Nitra Kynek, Secondary Vocational School of Agriculture Šaľa, National Stud-farm Toľčianky,<br />
University of Veterinary Medicine Košice, Lucky Drásov (Czech Republic), Tlumačov<br />
(Czech Republic). The experiments were at the age from 20 to 30, who actively devote<br />
themselves to vaulting and represent their countries at the greatest vaulting events in Europe<br />
and worldwide (Table 1).<br />
Table 1<br />
Basic characteristics of follow-up file<br />
No. Age Sport age BM [kg] BH [cm] BMI (I)<br />
1 16 9 54 163 20.32<br />
2 27 17 85 175 27.75<br />
3 26 17 76 178 23.98<br />
4 31 17 75 180 23.14<br />
5 28 17 66 185 19.28<br />
6 30 20 60 168 21.25<br />
7 22 12 70 183 20.90<br />
8 26 14 66 178 20.83<br />
9 23 9 78 178 24.61<br />
Methods<br />
To acquire kinematic indices of motion activity we used video recording enabling to<br />
use 3-dimensial analysis of kinograms.<br />
Taking into account that specific exercise is performed on a horse moving in a circle,<br />
it is to a great extent problematic to reach upright position of scanning devices. Therefore<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Biomechanical analysis of introductory exercises swing in vaulting riding<br />
75<br />
we decided for a fixed position of cameras in assured distance from exactly set zone on a<br />
circle, in which exercises will be performed.<br />
Figure 1<br />
Sketch diagram of cameras layout and of other material equipment<br />
Herewith we minimize inaccuracy caused by track bending of horse motion (Soumar,<br />
2009). Performing this experiment we applied optoelectronic analyser of Swedish company<br />
Qualisys, using high frequency cameras with coincidental usage of passive and active markers<br />
for monitoring motion of a measured object.<br />
The acquired empirical data were exposed to be processed by mathematic statistics using<br />
computer programme Excel and programme software at the Faculty of Physical Education<br />
and Sport, Comenius University in Bratislava. Particularly monitored indices were characterized<br />
by a median (M), maximum value (x max ), minimal value (x min ) and extent of variation<br />
(Vr).<br />
Beside analysis of mathematic statistics we used also following non-parametric assessment<br />
methods: Spearman's Rank Correlation Coefficient to express dependent relations among<br />
indices.<br />
Statistical significance of relations was assessed at 1 %, 5 % a 10 % significance level.<br />
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Martin Vaváček – Marek Hardoň – Anton Lednický<br />
Results<br />
Index 1 Index 2<br />
Our hypothesis was supported, since angular dimension between vertical axis and lower<br />
limbs in maximum upper position, in hand stand – as a final position of exercise figure –<br />
a swing, depended more significantly on distance between hips and a wrist of a gymnast in<br />
initial phase of exercise figure when riding on a horseback than on a barrel simulator. More<br />
significant dependent relation between these indices was recorded in the case of exercise on<br />
a horseback, where r = 0,833 (p < 0,01). More significant dependent relation was not recorded<br />
on a barrel simulator. (p = n.s.) We interpret this fact so, that the static barrel simulator is<br />
not able to positively or negatively influence motion of a gymnast in the course of exercise<br />
in contrast to exercise performance in motion on a horseback. We deem that when a gymnast<br />
retracts pelvis from the wrists (from grasp) in motion on a horseback it comes to counterproductive<br />
motion actuated by horse gallop, which negatively influences motions of a gymnast<br />
in the course of exercise performance.<br />
Conclusions<br />
Following our results we recommend trainers and gymnasts to concentrate on eliminating<br />
the faults, which are caused by premature retraction of pelvis of a gymnast to tail part<br />
of the horse, mainly upon conditions in motion on a horseback. The reasons are those that<br />
we recorded non-significant statistic dependent relation between the quality of exercise<br />
figure – hand stand, expressed by angular dimension (angle between vertical axis and lower<br />
limbs), as a final position of exercise figure – a swing and distance between hips and a wrist<br />
of a gymnast in initial phase of exercise figure on a barrel simulator.<br />
References<br />
1. KLOUDA, L. 2010. Využití kinematické analýzy pro nácvik zášvihu do stoje na rukou ve voltiži.<br />
Diplomová práce. Brno : MU FTVS, 2010.<br />
2. SOUMAR, L. 2009. Intraindividuální variabilita opakovaného pohybu a její indikátory při řízení<br />
motorového vozidla. Disertační práce. Praha : UK FTVS, 2009.<br />
Comenius University in Bratislava, Faculty of Physical Education and Sports
Biomechanical analysis of introductory exercises swing in vaulting riding<br />
77<br />
RESUMÉ<br />
BIOMECHANICKÁ ANALÝZA PRÍPRAVÉHO CVIČENIA<br />
ZÁŠVIH VO VOLTÍŽNOM JAZDENÍ<br />
Martin Vaváček, Marek Hardoň, Anton Lednický<br />
V našej práci sme sa zaoberali porovnávaním kinematických ukazovateľov cvičebného tvaru<br />
zášvih, ktorý sa využíva ako prípravné cvičenie v tréningu povinnej zostavy vo voltíži. Porovnávali<br />
sme vybrané kinematické ukazovatele, ich realizáciu na koni a na sudovom trenažéri.<br />
Prostredníctvom ex post facto výskumu za pomoci využitia vecne-logických metód<br />
a výpočtovej techniky sme hľadali rozdiely a súvislosti v kinematických ukazovateľoch.<br />
Cvičenia boli vykonávané na sudovom trenažéri a následne na koni. Sledovaný súbor tvorilo<br />
9 vrcholových cvičencov z rôznych jazdeckých klubov z Čiech i Slovenska. V priebehu<br />
výskumu sa nám významnejšiu závislosť podarilo potvrdiť medzi ukazovateľmi – veľkosť<br />
uhla medzi vertikálnou osou a dolnými končatinami v maximálnej pozícii hore, v stojke na<br />
rukách a vo vzdialenosti medzi bedrami a zápästím na koni v pohybe, kde r = 0,833 (p < 0,01).<br />
Acta Facultatis Educationis Physicae Universitatis Comenianae LII/I
ACTA FACULTATIS EDUCATIONIS PHYSICAE<br />
UNIVERSITATIS COMENIANAE<br />
Publicatio LII/I<br />
Vydala Univerzita Komenského v Bratislave<br />
Vytlačilo Polygrafické stredisko UK v Bratislave<br />
ISBN 978-80-223-3229-3