从进食、消化吸收至排便,消化道运动起着重要的作用。消化道收缩、舒张异常或不协调、括约肌功能紊乱将引起各种临床症状,例如吞咽困难、胸痛、反食、恶心、呕吐、腹痛、腹胀以及排便异常等。其运动异常主要表现在运动力量、速度和方向的异常。 From eating, digestion and absorption to defecation, gastrointestinal tract plays an important role. Gastrointestinal constriction, abnormal or inconsistent dilation, sphincter dysfunction will cause a variety of clinical symptoms, such as dysphagia, chest pain, anti-food, nausea, vomiting, abdominal pain, abdominal distention and defecation and so on. Abnormal movement is mainly manifested in the movement force, speed and direction of the abnormal.