人在吃了不干净的食物时,会“拉肚子”,但是有些运动员在参加训练或比赛后也出现腹泻现象,而这些队员在进行训练或比赛前,并没有吃什么不清洁的食物,也没有胃肠炎等消化系统疾病,就是说这种腹泻是由于运动引起的。国外的一项调查发现,在赛跑运动中,30％的运动员发生过这类腹泻,而在这些腹泻的运动员中,多数曾伴有腹绞痛,还有人运动后出现血性腹 When people eat dirty food, they “diarrhea”, but some athletes also experience diarrhea after training or competition. However, these players did not eat any unclean food before training or competition and did not Gastroenteritis and other digestive diseases, that is to say this kind of diarrhea is caused by exercise. A foreign survey found that 30% of athletes in the race had such diarrhea, and most of these diarrhea athletes had abdominal colic, and others had bloody abdominal exercises