휠체어 농구선수의 셔틀런을 이용한 최고산소섭취량 추정식 개발
Development of Estimation Equation for Peak Oxygen Uptake Using Shuttle Run in Wheelchair Basketball Players
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본 연구는 휠체어 농구선수의 심폐체력을 평가하는 휠체어 셔틀런 테스트를 통해 휠체어 농구선수의 최고산소섭취량 추정식을 개발하는 것이 목적이다. 연구대상은 연중 주 2회 이상 격렬한 유산소 트레이닝을 실시하는 휠체어 농구선수 21명으로, 최적의 휠체어 셔틀런 테스트의 거리를 규명하기 위해 4가지 거리 (11m, 14m, 17m, 20m)를 설정하여 측정하였고 심폐체력의 준거 지표인 최고산소섭취량의 측정을 위해 휠체어 트레드밀 운동부하검사를 시행하였다. 휠체어 농구선수의 심폐체력 지표인 최고산소섭취량을 추정하기 위한 휠체어 셔틀런 거리를 찾기 위해 피험자의 신체적 변인과 셔틀런 횟수를 다중회귀분석으로 분석하였고, 공선성가설을 확인하기 위해 다중공선성 분석을 함께 시행하였다. 자료의 모든 통계적 유의수준을 α=.05로 설정하였다. 자료의 분석 결과 다음과 같은 결론을 확인할 수 있었다. 첫째, 휠체어 셔틀런 테스트시 피험자의 최고산소섭취량을 추정하기에 가장 설명력이 높고 효율적인 휠체어 셔틀런 테스트의 거리는 14m였으며 83.4%(R²=0.834) 의 설명력을 가졌다. 둘째, 휠체어 셔틀런 테스트를 통해 피험자의 최고산소섭취량을 추정할 수 있는 추정식은 VO2peak = 18.553+(14m휠체어셔틀런테스트 횟수)×.175 이다. 본 연구는 휠체어 농구선수를 한정적으로 피험자로 모집하여 실시하였으나 앞으로는 다른 종목에서도 오랜 기간 훈련한 경험이 있는 피험자를 다수 확보하여 개발된 본 추정식의 타당성을 검증할 필요가 있을 것이다.
Abstract
The purpose of this study is to develop an equation for peak oxygen intake of wheelchair basketball players through a wheelchair shuttle run test that evaluates the cardiopulmonary fitness of wheelchair basketball players. The subjects of this study were 21 wheelchair basketball players who performed vigorous aerobic training at least twice a week, and measured four distances (11m, 14m, 17m, 20m) to determine the optimal distance for wheelchair shuttle run test. Wheelchair treadmill exercise load test was performed to measure peak oxygen uptake, which is the index of cardiopulmonary fitness. The physical variables and the number of shuttle runs were analyzed by multiple regression analysis to find the wheelchair shuttle run distance for estimating the maximum oxygen intake, which is an index of cardiopulmonary fitness in wheelchair basketball players, and the multiple collinearity analysis was performed to confirm the collinear hypothesis. It was done together. All statistical significance levels of the data were set to α = .05. As a result of analyzing the data, the following conclusions were confirmed. First, the most explanatory and efficient wheelchair shuttle run test was 14m in length and estimated to be 83.4% (R² = 0.834). Second, the estimation equation for estimating the peak oxygen intake of a subject through a wheelchair shuttle run test is V̇o₂peak = 18.553+ (number of 14m wheelchair shuttle run tests) x .175 This study was conducted with limited number of wheelchair basketball players. However, it is necessary to verify the validity of this estimation formula developed by securing a large number of subjects who have been trained in other sports for a long time.
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