POSTER ABSTRACTS - ISAKOS

extrinsic factors; inappropriate
training(overuse)(PC; 47%, NT; 46%), as well as by
foul plays(PC; 26%, NT; 26%). Intrinsic factors
influenced statistically more strongly in the NT
than PC group.
Discussion and Conclusion:
This study revealed that many factors concerning
physicians, coaches, players and club
administrators are related to treatment results. All
the members make efforts in various fields to
improve player's condition and to prevent injury.
To do sufficient daily medical care, to do adequate
rehabilitation not affected by head coach’s
opinion, to advise proper training program to
coaches from a medical standpoint, to educate
players in a field of medicine, and to do fair play
are most important strategy to get better
performance.
E-poster #1105
Athletic Injuries in Professional Sumo Wrestlers
Hideo Matsumoto, Tokyo, JAPAN,
Yasunori Suda, Tokyo, JAPAN
Kenichiro Matsuzaki, Tokyo, JAPAN
Toshiro Otani, JAPAN, Presenter
Department of Orthopedic Surgery, Keio
University, Tokyo, JAPAN
Sumo wrestling, a national sport in JAPAN, is very
popular, and opens professional fifteen-day game,
''Basho'', six times a year in JAPAN. Recently it has
been discussed whether the athletic injuries in
professional Sumo wrestlers really increased or
not, because many wrestlers absent themselves
from the games.
Objectives: The aim of this study was to make
base-line data to compare the latest incidence of
the athletic injuries in professional Sumo
wrestling to the former one.
Materials and Methods: Three games among
six are held at Ryogoku Sumo Arena in Tokyo, that
is called ''Tokyo Basho'', in January, May and
September. The Sumo clinic, an official medical
support of the JAPAN Sumo Association, is
opened all fifteen days during Tokyo Basho at the
Arena to make a first aid for the injured wrestlers
and audience. The materials of this study were all
the wrestlers who came to the Sumo clinic, during
three games a year, from May 2002 to January
2003. The number of the patients, estimated as
the number of the injuries, and the location of the
injuries were investigated. Injury ratio (number of
the injuries/number of the wrestlers) and injury
index ((number of the wrestlers x number of the
matches / 2) / number of the injuries) were also
defined and investigated. We compared these
data to the same series in five years ago.
Results: The number of the injuries was 9.7/day
in averages, (10.2/day), injury ratio; 0.14 (0.13),
injury index; 27.1(25.0). Data sets indicated this
time (last time) correspondingly, and all of these
deferences were statistically not significant. The
location of the injury this time had a same
tendency as that of the last time, i.e. (pelvis and
lower extremities) > (shoulder girdle and upper
extremities) > (head, neck and trunk).
Discussion:From the results of this study, we
could not find the difference in numbers or
location of the injuries in professional Sumo
wrestlers during these five years. Further analysis
will be needed in characteristics of each wrestler,
such as age, height, weight, body fat ratio, etc.
E-poster w/ Standard #1107
American Intercollegiate Men's Ice Hockey: An
Analysis of Injuries
Kyle Rudiger Flik, Oak Park, IL, USA, Presenter
Stephen L Lyman, New York, NY USA
Robert G Marx, New York, NY USA
Hospital for Special Surgery, New York, NY, USA
Background:
Reported rates and types of ice hockey injuries
have been variable. Ice hockey combines
tremendous speeds with aggressive physical play
and therefore has great inherent potential for
injury.
Purpose:
To identify rates and determinants of injury in
American men’s collegiate ice hockey.
Study Design:
Prospective cohort study
Methods:
Data were collected from eight teams in a Division
1 athletic conference for one season. An
anonymous ice hockey injury data capture form
was developed to record detailed information
regarding each injury.An athlete-exposure (AE)
consisted of a single player participating in a
single game or practice. An injury was defined
specifically as any injurious episode that led to
loss of participation in the immediate subsequent
AE, whether it was a practice or a game.
Descriptive statistics consisted of the calculation
of frequencies and percentages. Injury rates were
calculated as the number of injuries per 1000 AE.
Inferential analysis consisted of Chi-square tests
comparing rates within subgroups. A p-value of