不少人都觉得跑步很累,不太愿意去做这种运动,其实只要掌握技巧,量力而行,跑步也是一件很轻松的事情。跑步时主要是下肢有节律的活动,对下肢肌肉里的小静脉起到一种挤压作用,使血液能迅速回流心脏。假如跑完后立即停下来,肌肉中的小静脉同时失去节律性挤压,致使大量血液暂时聚集于下肢肌肉中,回心血液大量减少,因此就会出现血压下降,脑组织暂时性缺血缺氧,出现头昏眼花的 Many people think running tired, not willing to do this kind of exercise, in fact, as long as the skills to master, according to ability, running is also a very easy thing. Jogging is mainly the rhythmic activity of the lower limbs, the lower extremity muscles play a role in the small veins, so that the blood can quickly return to the heart. If you stop immediately after running, the small veins in the muscle lose rhythm simultaneously, resulting in a large number of blood temporarily gathered in the lower extremity muscles, back to the heart a substantial reduction in blood, so there will be decreased blood pressure, brain ischemia Oxygen, appear dizzy