夏日炎热,坚持体育锻炼有利于增强体质和提高身体机能的适应能力。但是,还应重视体育锻炼后的科学保健,才能保证取得健身的效果。夏日体育锻炼后应做到: 不要马上大量饮水 夏日炎热,体育锻炼后由于出汗较多,人体必然会口干舌燥。这时,适当补充些水分,对人体的健康是有益的。但不能一次性大量饮水,因为大量饮水过多积聚在胃肠,使胃肠胀满不适,不仅加重胃肠负担和直接妨碍膈肌的活动,影响呼吸,而且还会冲淡胃液,使吸收能力减弱,容易引起慢性肠胃炎;过多的水分进入血液,还增加心脏的负担。此外,大量喝水,促进排汗量增加会带走更多的盐分,容易引 Summer heat, adhere to physical activity is conducive to enhancing physical fitness and improve the body’s ability to adapt. However, we should also attach importance to scientific health care after physical exercise, in order to ensure the effectiveness of fitness. Summer exercise should be done: Do not immediately drink a lot of summer heat, sweating more after physical exercise, the human body will inevitably dry mouth. At this time, appropriate to add some water, is beneficial to human health. But can not drink a lot of water, because a lot of excessive accumulation of water in the gastrointestinal gastrointestinal, so full of discomfort, not only increased gastrointestinal burden and directly interfere with the activity of the diaphragm, affect breathing, but also dilute the gastric juice, so weakening absorption, Easy to cause chronic gastroenteritis; too much water into the blood, but also increase the burden on the heart. In addition, drinking plenty of water to promote increased perspiration will take more salt, easy to lead