肌肉痉挛俗称抽筋，是肌肉发生不自主的强直收缩现象。在体育运动之中，最易发生痉挛的肌肉是小腿胖肠肌。一、肌肉痉挛的原因（一）大量排汗长时间进行剧烈运动，特别是在高温季节里运动，机体大量排汗，体内的电解质随着汗液被大量排出，使体内电解质平衡发生紊乱，造成体内C Muscle spasms, commonly known as cramps, are involuntary muscle contractions. In sports, the most prone to spastic muscle calf muscle. First, the reasons for muscle spasms (a) a lot of sweat for strenuous exercise, especially in the hot season in the campaign, a large number of body sweat, body electrolyte with sweat is a large number of discharge, the body electrolyte balance disorder, resulting in the body C