肌肉在阻力下逐渐被拉长，使运动环节向肌肉拉力相反的方向运动的收缩方式。是动力性收缩的一种，又称作退让性收缩，其产生的最大肌肉力量比向心收缩要大。
引起肌肉离心收缩的练习可能明显引起延迟性肌肉酸痛。
Exercise that involves eccentric contraction of the muscles is particularly likely to cause delayed muscle pain.
相同速度下，患侧和健侧股四头肌和腘绳肌离心收缩肌力明显大于向心收缩；
The eccentric contraction of both sides′ quadriceps and hamstring produced significantly higher torques than concentric contraction did in same speed.
目的探讨骨骼肌在不同速度离心收缩过程中力矩、功率输出及神经支配活动特性。
Purpose: to investigate the features of muscle torque, power and nerve acting in different eccentric contraction speed.
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