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26 The impact of two different conditioning programs on fitness characteristics of police academy cadets AWARD FINALIST Ro. Orr 1 * • C. Cocke 1 • J. Dawes 2 1 Bond University • 2 University of Colorado Colorado Springs Thursday 22 October Introduction: Police cadets must adjust to new occupational physical demands during their initial academy training to transition from civilian life to the tactical athlete lifestyle. These new demands, such as wearing heavy body armour and performing defensive tactics, place new strains on the body and put the cadets at an increased risk of injury. Tactical athletes (like police officers) who are not at an adequate level of physical fitness are more susceptible to injury and are less likely to be able to fulfil the physical requirements of the profession. Therefore, the physical training cadets complete must adequately prepare them for the rigours they will face during their career if they are to limit their risk of injury. The aim of this study was to compare two different styles of physical training programs, one randomised workout style and the other a structured periodised program, on multiple measures of anthropometrics and fitness in police cadets. Methods: Data provided from the Corpus Christi Police Department (USA) on pre- and post-training measures for 4 randomised training classes (n=65, age=28.96±6.34yrs, weight=79.44±18.06kg, lean body mass=63.41±15.45kg) and 1 periodised class (n=25, age=21.76±5.37yrs, weight=83.15.66kg, lean body mass=67.55±11.62kg) of cadets undergoing police training were analysed. The training programs were performed over 6 months. The randomised training group (RTG) incorporated various strength and endurance exercises chosen on the day of training. The periodised training group (PTG) alternated specific phases of training focusing on muscular endurance, hypertrophy, strength, and power. Outcome measures included 3 body anthropometric measures (weight, lean body mass, fat mass), four muscular fitness measures (1RM bench press, push-ups, sit-ups, vertical jump) and 2 metabolic fitness (300m sprint, 2.4km run) measures. Results: Both groups made significant reductions in fat mass, however only the RTG decreased in body weight (change=-1.60±3.38kg; p
28 Lumbar Stress Fractures A. Kountouris 1 * 1 Cricket Australia Lumbar stress bone stress in injuries in the posterior aspect of the vertebral arch in the region of the pedicle, pars interarticularis and lamina are common in young athletes involved in sporting activities that are associated with vertical impact forces. They typically, result in long rehabilitation periods and can be missed in the early stage of the bone stress continuum. Early detection and management is important because non-union, ongoing pain and dysfunction is unfortunately a common outcome. An understanding of bone pathophysiology, key clinical features and imaging is important in optimising management. The management of lumbar bone stress injuries is dependent on the stage of the bone stress continuum, which ranges from early stage bone stress to frank stress fractures. The role of imaging, particularly magnetic resonance imaging is crucial in both, detecting early stage bone stress, and distinguishing between active bone stress injuries and chronic non-united defects. 29 Relationship of low back pain with size of trunk muscles, spinal angles and injury in elite AFL players J. Hides 1 2 * • A. Rotstein 3 • W. Stanton 1 • M D. Mendis 1 • M. Sexton 1 • M. Franettovich Smith 1 • C. Christie 4 1 Mary MacKillop Institute for Health Research, Australian Catholic University QLD • 2 Mater/ACU Back Stability Clinic, Mater Health Services, South Brisbane QLD • 3 MIA Radiology,Victoria House Medical Imaging, Prahran VIC • 4 Carlton Football Club, Carlton North VIC Background: Despite high levels of fitness and intensive strength training, low back pain (LBP) is common in elite athletes. A recent Australian Football League (AFL) study reported that 30% of players had current LBP and a further 30% had a history of LBP. Incidence of lower limb injuries also remains high in AFL. Of these injuries, hamstring strains show the highest incidence, recurrence and prevalence rates over the last nine years, followed closely by knee, groin and ankle injuries. Efforts to reduce injury rates have largely been directed toward changes in the rules for playing the game and in training regimes. Few studies have examined the relationship between LBP, trunk muscle size and injuries in AFL. Methods: 48 AFL players from one club participated in the project. Data were collected at the start and end of a playing season. Magnetic Resonance Imaging and ultrasound imaging were used to assess muscle size. X-rays were used to assess spinal angles. LBP was assessed via questionnaires. Injury data were provided by the club’s medical staff. Results: At the start of the season, 61% of players reported having LBP. Comparison between players with and without LBP showed that (i) those without LBP had larger multifidus muscle size and incurred less injuries, p=0.021 (ii) those with LBP had larger psoas muscles, and incurred more injuries, p=0.05 (iii) those with LBP had larger degrees of thoracic kyphosis, p=0.023. Discussion: LBP is related to muscle morphology and injuries, and this study confirms the high incidence of LBP in AFL players. Identification of modifiable factors is important to allow development of appropriate intervention programs, which target both LBP and injury prevention. Previous research indicates that LBP does not contribute to a large number of games missed. However, addressing LBP in athletes at the start of the season may prove to be an important injury prevention initiative. Thursday 22 October 30 Changes in lumbopelvic position for shots with driver and when putting during 18 holes of golf: a pilot study K. Evans 1 * • S. Horan 1 • N. Tuttle 1 1 Menzies Health Institute Queensland, Griffith Univeristy Background: Low back pain is common in golfers and changes in golf swing kinematics are frequently cited as contributing factors. To date, most studies investigating the relationship between swing kinematics and injury risk have been conducted in laboratory settings. However, advances in portable motion analysis systems have afforded the opportunity to measure aspects of swing kinematics while playing golf. The present study was conducted using a field-based motion analysis system to determine whether changes in lumbopelvic kinematics occur over a round of golf when using a driver and when putting. Methods: Six amateur golfers (age: 21.8±5.4 years, handicap: 6.5±3.1 strokes) were recruited. Data were collected during shots with driver and when putting during 18 holes of golf from two sensors (L1 and S2) using a wireless 3D motion analysis system (DorsaVi Pty Ltd). Additionally, participants repeated the first hole to enable two repetitions at the same hole to be compared. The position of each sensor at address and range of lumbopelvic movement during driver shots and the first putt for each hole was analysed. Paired t-tests were calculated to determine any significant differences between the first and nineteenth holes. Results: Over the round, during the swing with driver, the upper lumbar spine achieved greater magnitude of right lateral flexion (p=0.01). At address position prior to tee-off, the pelvis became more significantly right laterally flexed (p=0.04). For putting strokes, there were no significant differences although the pelvis tended to become more laterally flexed to the right (p=0.047) towards the end of the round. When repeating driver shot on hole 1 after playing 18 holes, pelvis position was significantly more extended (p=0.04) but there was no change in lumbar position. There were no significant differences in lumbar or pelvic position during the putting stroke on hole 1 vs hole 19. Discussion: This study was the first that we are aware of to evaluate lumbopelvic kinematic variables during a round of golf with a system that allows for complete freedom of movement. Findings suggest small but potentially relevant changes occur in lumbopelvic kinematics both at address and during the swing for shots with driver while playing 18 holes. While studies involving larger sample sizes are required, the instrumentation employed was simple, unobtrusive and relatively inexpensive. Findings from future studies conducted in an ecologically valid environment may provide greater insights into mechanisms underpinning the relationship between swing kinematics, golf performance and risk of injury. Supplement to Journal of Science and Medicine in Sport • 17
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Page 23 and 24: and eccentric group, respectively,
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Page 29 and 30: 48 Architectural adaptations of the
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Page 41 and 42: Methods: De-identified data on part
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Page 49 and 50: 90 A comparison of percent change i
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Page 69 and 70: 130 The case of barefoot running: U
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135 Altered trunk movements during
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independent factorial structure of
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adults we hypothesized that our cur
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Results: Performance was significan
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adduction moment time points. Linea
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each significance for overall and l
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weekly mean and standard deviation,
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(-6.4 ±16.6%; ES, -0.41 ±1.09). L
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signaling molecules for adaptations
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isometric contractions are performe
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Methods: 10574 participants in the
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189 Biological and Clinical Evaluat
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193 Prognostic factors or treatment
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197 Shoulder Range of Motion and St
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the nutritional intake of young and
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207 Effect of progressive resistanc
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212 High intensity progressive resi
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217 Tendon neuroplastic training re
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Methods: In this presentation, the
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Discussion: The Stroop task was rat
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INDEX PLEASE NOTE: Each abstract ha
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INDEX M Machida, S. 5 Machotka, Z.
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SMA Online Store Do you need strapp
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MELBOURNE MELBOURNE MELBOURNE MELB
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