지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The purpose of this study was to investigate the contribution of muscle power or strength and sprint performance within the same quality group of sprinters. The muscle power (E:generated energy, A:weight related to energy loss) or strength (ISO:maximal isometric strength) values were measured both extension and flexion for the joint (knee and hip) movements tested, using a inertia wheel. The subjects were 26 well-trained male sprinters (18-22 yr). For sprint performance the following 5 indexes were taken. (1) 70mF:The time of the former half (0-30m) in 70m sprinting. (2) 70mL:The time of the latter half (30-70m) in 70m sprinting. (3) 70m:The time in 70m sprinting. (4) 100m:The time in 100m sprinting. (5) 200m:The time in 200m sprinting.
The results were summarized as follows;
1) The muscle power (E, A, E/BW, NEW) and strength (ISO, ISO/BW) values of the flexion of knee joint were observed highest in four exercise styles. 2) A negative significant correlation were observed between A/BW (knee extension and flexion) and 70mF, 70m, 200m sprint records (r=-0.641~-0.403, p＜0.05). 3) A positive significant correlation were observed between ISO/BW (knee flexion) and 70mL, 70m sprint records (r=-0.462, 0.423, p＜0.05). 4) The close relationships (multipul correlation) were observed between E/BW+A/BW+ISO/BW, E/BW+A/BW and all sprint records (r=0.828~0.708, r=0.724~0.556, p＜0.05), and observed between A/BW and 70mF, 70m, 200m sprint records (r=0.701, 0.656, 0.564, p＜0.05).
From thease results, the muscle power and strength by the knee extension and flexion necessary in order to succeed in the same quality group of sprinters. However, this is not a absolute important factor which decides sprint performance.
The results were summarized as follows;
1) The muscle power (E, A, E/BW, NEW) and strength (ISO, ISO/BW) values of the flexion of knee joint were observed highest in four exercise styles. 2) A negative significant correlation were observed between A/BW (knee extension and flexion) and 70mF, 70m, 200m sprint records (r=-0.641~-0.403, p＜0.05). 3) A positive significant correlation were observed between ISO/BW (knee flexion) and 70mL, 70m sprint records (r=-0.462, 0.423, p＜0.05). 4) The close relationships (multipul correlation) were observed between E/BW+A/BW+ISO/BW, E/BW+A/BW and all sprint records (r=0.828~0.708, r=0.724~0.556, p＜0.05), and observed between A/BW and 70mF, 70m, 200m sprint records (r=0.701, 0.656, 0.564, p＜0.05).
From thease results, the muscle power and strength by the knee extension and flexion necessary in order to succeed in the same quality group of sprinters. However, this is not a absolute important factor which decides sprint performance.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 결론
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UCI(KEPA) : I410-ECN-0101-2009-692-016587650