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- 주제어 : EN-TreeM isotonic dynamometer (검색결과 2 건)
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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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고관절 각도변화에 따른 슬관절 굴곡근의 등장성 근력평가
이재학 高麗大學校 倂設 保健大學 保健科學硏究所 2002 保健科學論集 Vol.28 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 knee flexors as the change of hip angle in dominant. Concentric and eccentric muscle strength was assessed by monitoring repetition, peak power, average peak power, average power, peak velocity, average peak velocity, peak force, average peak force, and total work for knee flexors using the EN-TreeM isotonic dynamometer. For this forty healthy subjects, 20 males and 20 females, performed knee motion at 74.89% of their 1RM with 90˚, 45˚and 0˚flexion of their hip angle. The results were as follow. 1. All the values tested in male were greater than those in female. 2. The repetition, peak power and peak force of concentric and eccentric contraction showed a significant increase in order of 0˚ 45˚ 90˚hip angle in males and females. 3. The average peak power, peak velocity and average peak velocity of concentric and eccentric contraction showed a significant increase in order of 0˚ 90˚ 45˚hip angle in males and females. 4. The average peak force, average power and total work of concentric and eccentric contraction showed a significant increase in order of 0˚, 90˚, 45˚hip angle in males, whereas in order of 90˚ 0˚ 45˚hip angle in females. 5. All the values except total work tested in eccentric contraction were greater than those in concentric contraction.
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