随着收缩持续时间延长，疲劳加重，力量和电信号的波动均有明显增加，且两者具有相关性 | 参考文献[1]
等肌肉得到充分休息之后，这些变化复原，肌肉收缩也会重新恢复平顺。恢复时间与肌肉的疲劳程度有关，不太累的话收缩停止就不抖了，如果非常累，可能第二天都会比平时容易抖。
锻炼的时候，发抖不是练得充分的标志。至于该不该停下来，如果抖的同时还能保证动作标准安全，可以继续坚持；但感觉动作即将变形，或可能造成危险的时候，需要及时停止。比如，平板支撑不容易失控受伤，要是一边抖一边还能保持身体在一条直线上、不塌腰撅屁股，那就继续坚持抖一会儿吧。
参考文献
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[7] https://www.scientificamerican.com/article/why-do-muscles-tremble-af/
作者：代天医
