途中跑“岔气”是中长跑运动员在竞赛过程中经常遇到的一种运动生理现象。出现这种现象，不但疼痛难忍，而且直接影响比赛成绩，甚至被迫终止比赛。那么产生途中跑“岔气”的原因是什么，对此应怎样预防和处理呢？从生理学的角度讲，人体胃肠蠕动的快慢，是由人的年龄，运动的 On the way to run “Chaqi” is a kind of sports physiology often encountered by middle and long distance runners during the race. This phenomenon, not only painful, but also directly affect the competition results, and even forced to terminate the game. So what is the reason for running “Chazi” on the way and how should this be prevented and dealt with? From a physiological point of view, the body's gastrointestinal peristalsis speed, is the person's age, exercise