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KMID : 0855520080210040351
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Korean Journal of Physical Anthropology
2008 Volume.21 No. 4 p.351 ~ p.360
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Isokinetic Strength of Quadriceps and Hamstring, Hamstrings/Quadriceps Ratios in Ellite Sports Athletes
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Shin Chang-Ho
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Abstract
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The purpose of this study was to investigate of isokinetic strength of quadriceps and hamstring, hamstrings/quadriceps ration in elite sports athletes to provide the data for injury prevention, fitness level evaluation and training methodology. The subjects selected for this study were 104 elite sports athletes. They didn’t have any medical problem. Isokinetic peak torque, flexor/extensor ratio at 60 deg/sec of the knee extension and flexion were measured using an cybex 770. The data were analyzed utilizing One way ANOVA. The level of statistical significance was set at p＜.05. On the basis of the results analyzed in this study, conclusion were drawn as follow: 1. Dominant knee extension peak torque (Nm) were no significant differences in man but man elite athletes were higher than woman elite players in 60 deg/sec (p＜ .05). 2. Dominant knee extension peak torque (% body weight) of man elite athletes were higher than woman elite players in 60 deg/sec except only man volleyball athletes (p＜.05). 3. Dominant knee flexion peak torque (Nm) were no significant differences in man but man elite athletes were higher than woman elite players in 60 deg/sec (p＜.05). 4. Dominant knee flexion peak torque (% body weight) of man elite athletes were higher than woman elite players in 60 deg/sec (p＜.05). 5. Knee flexion/extension peak torque ratio (H:Q) were no significant differences according to sex and proper H:Q ratio was 54~64%.
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KEYWORD
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Elite athletes, Isokinetic strength, Hamstring/Quadriceps ratio, Anterior cruciate ligament
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