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엎드려 누운 자세에서 고관절 각도변화에 따른 슬괵근의 등장성 근력평가
이재학(JaeHak Lee),함용운(YoungWoon Ham),윤범철(BumChul Yoon) 고려대학교 보건과학연구소 2005 보건과학논집 Vol.31 No.1
Since isotonic exercise equipment can give an evaluation of muscle strength with great accuracy and objectivity, it is widely used as the one of the important methods for evaluation of muscle performance. The purpose of this study were to measure concentric and eccentric muscle strength of the Hamstring muscles as the change of hip angle in dominant. Concentric and eccentric muscle strength was assessed by monitoring peak power, average peak power, average power, peak velocity, average peak velocity, peak force, average peak fore, and total work for the Hamstring muscles using the EN-TreeM isotonic dynamometer. For this thirty healthy males performed knee motion at 74.89% of their 1 RM with 45° and 0° flexion fo their hip angle. The results were as follow : 1. The peak power, average peak power, peak force and average peak force of concentric contraction at 0° of the hip joint angle were greater than those at 45° of the hip joint angle. 2. The peak power, average peak power, peak force and average peak force of eccentric contraction at 45° of the hip joint angle were greater than those at 0° of the hip joint angle. 3. The average power and total work of concentric and eccentric contraction at 45° of the hip joint angle were greater than those at 0° of the hip joint angle.
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