首页> 外文会议>International Symposium on Biomechanics in Sports vol.1; 20050822-27; Beijing(CN) >ELECTROMECHANICAL DELAY AND REACTIVE STRENGTH INDICES OF SPRINT AND ENDURANCE TRAINED ATHLETES
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ELECTROMECHANICAL DELAY AND REACTIVE STRENGTH INDICES OF SPRINT AND ENDURANCE TRAINED ATHLETES

机译:耐力训练的运动员的机电延迟和反应强度指标

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摘要

This study compared reactive strength indices and electromechanical delay in muscle of competitive sprint and endurance athletes. Reactive strength indices were obtained from five sprinters and six endurance athletes who completed drop jumps on a force-sledge apparatus at various drop heights. Electromechanical delay times were also obtained on the ankle plantar flexors while performing a simple heel raise activity. The results indicated that sprinters had significantly higher RSI scores at all drop heights. Sprint athletes also had significantly shorter electromechanical delay times indicating a capacity for generating force more rapidly and the likelihood of stiffer musculotendinous structures.
机译:这项研究比较了短跑和耐力运动员的肌肉反应强度指标和机电延迟。从五名短跑运动员和六名耐力运动员获得了反应强度指数,他们在不同的跌落高度下用力滑行装置完成了跌落跳跃。在执行简单的脚跟抬起动作时,还可以在脚踝plant屈器上获得机电延迟时间。结果表明,短跑运动员在所有跌落高度处的RSI得分均明显更高。短跑运动员的机电延迟时间也明显缩短,这表明其有能力更快地产生力量,并且可能出现肌肉僵硬的结构。

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