경륜 선수의 최대 유산소 능력과 스프린트 관련 체력 비교 분석
Comparative Analysis of Maximal Aerobic Capacity and Sprint-Related Physical Fitness in Keirin Cyclists
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[목적] 본 연구는 경륜 선수의 최대산소섭취량 수준에 따른 신체구성, 체력, 최대근력 및 혈중젖산농도를 비교 분석하는 것이다. [방법] 본 연구는 총 44명의 남녀 경륜 선수를 대상으로 최대산소섭취량 수준에 따라 상위 20%(TG, n=9), 중위20%(MG, n=9) 하위 20%(LG, n=9)로 구분하여, 경륜의 경기력에 영향을 미치는 신체구성, 체력, 최대근력 및 혈중젖산 농도에 대한 집단 간 차이를 일원배치분산분석으로 비교 분석하였다. [결과] 체중, 체지방률 및 체질량지수는 LG가 TG, MG보다 높은 것으로 나타났고, 수직높이뛰기와 최대근력은 LG보다 TG, MG가 유의하게 높았다. 또한, 탈진운동 직후와 회복기 5분 동안의 혈중젖산농도는 TG와 MG보다 LG가 높은것으로 나타났다. 탈진 시까지의 시간, 최대심박수, 최대파워는 TG가 가장 높게 나타났다. [결론] 본 연구의 결과는 남자 경륜 선수의 최대산소섭취량 수준이 사이클링 수행 능력과 회복능력을 예측할 수 있는중요한 요인이라는 새로운 정보를 제시한다.
Abstract
PURPOSE This study aimed to compare body composition, physical fitness, maximum muscle strength, and blood lactate concentration according to the level of aerobic capacity in Keirin cyclists. METHODS Forty-four Keirin cyclists participated in this study and were divided into three groups: the top 20% VO2max group (TG, n=9), the middle 20% VO2max group (MG, n=9), and the low 20% VO2max group (LG, n=9). The study measured body composition, physical fitness, maximum muscle strength, and blood lactate concentration in Keirin cyclists. Differences between groups were determined using one-way ANOVA analysis. RESULTS Body weight, percentage of body fat, and body mass index were significantly higher in the LG than in the TG and MG. The vertical jump and maximum muscle strength were significantly higher in the TG and MG than in the LG. Additionally, blood lactate concentrations immediately after exhaustive exercise and during the 5-minute recovery periods were higher in the LG than in the TG and MG. Moreover, the time to exhaustion, HRmax and maximum power were the highest in the TG. CONCLUSIONS Our findings suggest new information that levels of aerobic capacity in male Keirin cyclists might be a crucial predictor of cycling performance and recovery ability.
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