夏天就要过去了,这个暑假里面同学们有没有痛痛快快地游上几回泳呢?可能有些同学游着游着小腿会出现抽筋的现象,这是为什么呢?抽筋,就是身体上某一块肌肉猛烈地收缩,不听使唤,而且很疼。游泳时,小腿容易抽筋,这时候应赶紧停止游泳,上岸休息。自己慢慢揉揉小腿,把抽筋的肌肉拉开 The summer is over. During this summer vacation, are the students swimming in several swimming strokes? Maybe some students swim in the calf and they will have cramps. Why is this? A cramp on the body is a block on the body The muscles contracted violently, they did not listen to the call, and they hurt. When swimming, the calf cramps easily. At this time, you should quickly stop swimming and go ashore. Slowly kneading the lower leg and pulling the muscles of the cramps apart