在长跑中,有的人跑的距离虽长但显得很轻松,而有的人则上气不接下气,很快出现胸部胀痛,气憋腹疼等现象,以致中止锻炼,原因是他们的呼吸方法不正确。 人在跑步时,氧气的需要量随着跑步强度增加而增加。为了提高供氧水平,就需要加快呼吸频率和增加呼吸深度。但是,呼吸频率的加快是有一定限度的,一 In long-distance running, although some people run for a long time, they are relaxed but others are out of breath. Chest pain, gas and abdominal pain appear quickly, resulting in the suspension of exercise because they Breathing method is incorrect. When people are running, the oxygen requirement increases as the running intensity increases. In order to raise the level of oxygen supply, we need to speed up the breathing rate and increase the depth of breathing. However, there is a certain limit to speed up the respiration rate