抽筋是肌肉遇寒冷的刺激,精神过度的紧张,身体过度劳累所引起的过度收缩所致。夏日游泳,由于天气炎热而水温偏低,因此很容易发生抽筋。 发生抽筋时,最重要的是保持镇定,按动作要领进行解除,千万不可慌张忙乱。自己无法解救时,及时呼叫他人援助。 抽筋最常见的是腿肚子抽筋。因腿脚离心脏远,最易受凉,且易发生过度收缩。腿肚子抽筋时,先吸一 Cramps are cold stimulation of the muscles, mental stress, over-exertion caused by excessive contraction caused. Summer swimming, due to the hot weather and the water temperature is low, so prone to cramps. Cramps occur, the most important thing is to remain calm, according to the essentials of action to lift, do not panic. When you can not rescue yourself, promptly call others for assistance. The most common cramp is calf cramps. Because the legs away from the heart far away, the most vulnerable to cold, and prone to excessive contraction. Calf cramps, the first one