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The Journal of Sports Medicine and Physical Fitness 2021 Jun 17

DOI: 10.23736/S0022-4707.21.12700-8

Copyright © 2021 EDIZIONI MINERVA MEDICA

language: English

Differences in body composition and physical fitness of Korean national bobsleigh and skeleton athletes

Seok-Ki MIN 1, Seung-Taek LIM 2, 3, 4, Kwangkyu LEE 5

1 Department of Sport Science, Korea Institute of Sport Science (KISS), Seoul, Republic of Korea; 2 Olympic Studies Center, Kangwon National University, Gangwon-do, Republic of Korea; 3 Waseda Institute for Sport Sciences, Waseda University, Saitama, Japan; 4 Nasaret International Hospital, Incheon, Republic of Korea; 5 Department of Exercise Rehabilitation, Jeonju Kijeon College, Jeonju, Republic of Korea


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BACKGROUND: This study aimed to classify Olympic medalists and non-medalists among national bobsled and skeleton athletes and determine the physical fitness differences between the two groups.
METHODS: Five bobsleigh and skeleton athletes who won gold and silver medals in the 2018 Pyeongchang Winter Olympics and 11 national bobsled and skeleton team athletes were recruited. The participants were assessed for physiological parameters such as body composition, anthropometry, physical fitness, isokinetic strength, and maximum strength.
RESULTS: Physical fitness factors back strength (t=2.571, p<0.05), squat ability (t=3.061, p<0.01), and left and right leg curls (t=4.578, p<0.001; t=4.719, p<0.001, respectively) were significantly different between the groups. The original value of the primary discriminant analysis was 1.868 and the canonical correlation was 0.807. The average value of the discriminant function of the medalists was 1.896, while the of the non-medalists was -0.862, indicating that the two groups were completely different.
CONCLUSIONS: Medalists have higher squat abilities, abdominal strength, and leg curl strength than nonmedalists, particular with regard to hamstring strength. Currently, in most sports events, athletes undergo physical training to improve performance; however, training programs that reflect the characteristics of the sport and the physical characteristics of excellent athletes are still insufficient.


KEY WORDS: Winter Olympics; Medalists; Bobsleigh; Skeleton; Training

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