称为运动性腹痛。原因有三点:一是剧烈运动引起胃肠振荡,肠系膜受到牵拉而发生疼痛;二是腹腔内脏器及腹壁肌肉不适应运动引起的急骤变化,诱发痉挛而致腹痛;三是运动时四肢骨骼肌血管扩张,血液供给量增加,而消化器官的供血量相应减少,进而引起胃肠道平滑肌痉挛而致疼痛感产生。? Known as sports abdominal pain. There are three reasons: First, strenuous exercise caused by gastrointestinal oscillations, mesenteric traction and pain occurred; second intra-abdominal organs and abdominal muscles do not adapt to the rapid changes caused by exercise induced spasm and abdominal pain caused; Third, exercise extremity skeletal muscle Vasodilation, increased blood supply, and the corresponding decrease in the amount of blood supply to the digestive organs, which in turn cause gastrointestinal smooth muscle spasm resulting in pain. ?