엘리트 선수들의 운동특성에 따른 20 m 셔틀런 검사의 유용성
The availability for cardiorespiratory fitness measurement by 20 m shuttle run test in different sports type of elite athletes
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본 연구의 목적은 엘리트 선수들의 에너지 기여비율에 기인된 종목특성에 따른 20 m 셔틀런 검사를 이용한 심페지구력 측정의유용성을 평가하는데 있다. 본 연구에 참여자는 K 국립체육대학교에 재학중인 학생 67명을 대상으로 하였으며, 종목 특성은 무산소성종목(단거리, 도약, 역도, 투척; 35명), 유산소성 종목(중장거리; 9명), 투기종목(유도; 23명)으로 3집단을 구성하였다. 20 m 셔틀런검사는 Leger et al.(1982)방법을 이용하였으며, 측정된 셔틀런 횟수를 이용한 가속도 산출은 Brewer et al.(1988) 방법을 이용하였다. 유용성 평가를 위한 V̇O2max 준거검사는 트레이드밀을 이용한 점증부하 방법을 실시하였으며, 순발력 체력요인은 제자리멀리뛰기와 50 m 달리기를 이용하였다. 순발력, 민첩성, 근지구력을 고려한 체력요인은 Z-점프를 측정하였다. 종목별 체력특성차이는제자리멀리뛰기와 50 m 달리기에서 무산소성 집단(Anaerobic Group; AnG)이 유산소성집단(Aerobic Group; AeG)과 투기종목집단(Combat Sport Group; CG)에 비해 유의하게 높았다(p<.05). 하지만 Z-점프는 CG가 AnG와 AeG에 비해 유의하게 높았다(p<.05). 20 m 셔틀런 검사결과와 V̇O2max관련성은 AnG(r= 0.577, p<.0001)와 CG(r= 0.760, p<.0001)에서 유의하게 높은 상관계수를 나타내었으나 AeG는 낮은 상관계수를 나타내었다. 20-셔틀런검사의 유용성평가를 위한 집단간 차이는 20 m 셔틀런 검사결과를 V̇O2max로전환하였을 때 집단 간 차이가 없었으며 오차가 감소하는 것을 발견하였다. 우리는 이번 연구에서 20 m 셔틀런 검사의 유용성을판단하였으며 셔틀런 검사횟수를 이용한 V̇O2max 산출에 따른 오차가 감소하는 것으로 나타나 현장 활용적인 측면에서 셔틀런검사를 종목 구분 없이 보편적으로 이용하기 위해 V̇O2max전환의 필요성을 확인할 수 있었다.
Abstract
This study is to evaluate the availability of cardiorespiratory fitness measurement by 20 m shuttle run test based upon energy contribution rates of elite athletes in different sports type. Sixty-seven elite athletes attending K national university participated in this study. They were divided by three groups based upon sports type, composed of Anaerobic Group (sprint, jumps, weightlifting, throw; n=35), Aerobic Group (medium-long distance; n=9), and Combat Sport Group (judo; n=23). 20 m shuttle run test was conducted by Leger et al.(1982) method and calculating acceleration using measured shuttle run repetitions was conducted by Brewer et al.(1988) method. To test the usefulness of V̇O2max, graded exercise treadmill test was conducted and standing long jump and 50 m run were measured as power fitness factors. Z-jump was used for measuring power, agility, and muscular endurance. Standing long jump and 50 m run of Anaerobic Group (AnG) was significantly higher than that of Aerobic Group (AeG)and Combat Sport Group (CG) (p<0.05). However, Z-jump of CG was significantly higher than that of AnG and AeG(p<.05). There was a higher correlation of 20 m shuttle run test and V̇O2max in AnG(r= 0.577, p<.0001) and CG(r= 0.760, p<.0001). Otherwise, there was a low correlation of 20 m shuttle run test and V̇O2max in AeG. There was no significant group difference to test the availability of 20 m shuttle run test and there was a reduced error when converting 20 m shuttle run results into V̇O2max. This study examined the usefulness of 20 m shuttle run test by converting 20 m shuttle run repetition results into V̇O2max calculation, which showed reduced error. Therefore, this study confirmed that it would be needed to convert 20 m shuttle run results into V̇O2max for universal and practical use in the field without dividing sports type.
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