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자료유형
학술저널
저자정보
저널정보
한국체육과학회 한국체육과학회지 한국체육과학회지 제17권 제3호 (자연과학편)
발행연도
2008.8
수록면
687 - 698 (12page)

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연구주제
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연구배경
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연구방법
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초록· 키워드

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The purpose of this study was to examine the effects of static, dynamic and proprioceptive neuromuscular facilitation(PNF) stretching on the isokinetic muscular strength of knee. Twenty male high school soccer players participated as subjects after signing informed consent forms. The isokinetic knee extension and flexion of each subject were assessed at the speeds of 60, 90, 180 and 240 deg/sec with 5 repetitions at each speed. For the comparative analysis, the changes in the isokinetic strength after static, dynaminc and PNF stretching were compared using the variables such as peak torque(PT), mean torque(MT) and time to reach the peak torque(TRP). The one way repeated measure ANOVA was performed to analyze PT, MT and TRP among three stretching methods(static, dynamic and PNF) and the post-hoc contrast(simple, repeated) test followed, if necessary.
The results were as follows:
There was no significant difference in peak torque during extension and flexion among the different stretching styles at the angular speed of 60, 90, and 240deg/sec. However, there was a significant difference at the speed of 180 deg/sec during both extension and flexion(p<.05).
There was no significant difference in mean torque during extension and flexion among the different stretching styles at the speed of 60, 90, and 240deg/sec but there was a significant difference at the speed of 180deg/sec during flexion(p<.05). There was no significant difference during extension at the speed of 180deg/sec.
There was no significant difference in time to reach the peak torque among the different stretching styles at 60, 90, 180, and 240deg/sec of extension and there was a significant difference at the speed of 60, 90, and 180deg/sec during flexion(p<.05). But, there was no significant difference during flexion at the speed of 180deg/sec.
According to the results, the proper stretching style that can improve performance of soccer players with minimal loss of muscular strength seems to be combination with PNF and dynamic stretching.

목차

Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론
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