对从事某些工作的人来说,久坐不动已成为习惯。但对久坐造成的身体危害尚知之甚少。殊不知它对全身各器官都有极大的影响,已成为医学家们关注的问题。首先,久坐后活动减少,会使血流变得缓慢,回到心脏的血液量减少,血液供应不足,容易发生心肌梗塞。其次,久坐后易引起痔疮,这是痔静脉回流不畅所致瘀血、曲张的表现。明代《外科正宗》记载,“因久坐而脉不行,以致浊气游血,流注肛门、俱能发痔”。另外,久坐后因下肢肌力减弱失去对血管的挤压,加之地心引力的作用,容易引起下肢静脉曲张症;久坐还可使脊柱底端负重过度,脊 It has become a habit for sedentary people to engage in certain jobs. However, the body damage caused by sedentary is still poorly understood. Little do they know it has a great impact on the body organs, has become the concern of medical scientists. First of all, after sedentary activity decreases, will make the blood flow slows down, returns to the heart the blood volume reduces, the blood supply is insufficient, easy to have the myocardial infarction. Second, sedentary easily lead to hemorrhoids, which is bleeding hemorrhoids caused by poor circulation, varicose manifestations. Ming Dynasty “Surgical authentic” records, “because of sedentary pulse not, resulting in blood stasis, bleeding anus, are able to send hemorrhoids.” In addition, sedentary due to loss of lower extremity muscle weakness on the vascular squeeze, coupled with the role of gravity, easily lead to varicose veins of the lower extremities; sedentary can also over-load the bottom of the spine, ridges