夏季气温较高，人们在锻炼时排汗较多，因此，饮水也相应增加，如不注意科学饮水会对锻炼产生不利的影响，甚至有害于身体健康。运动前饮水：有人怕出汗较多，故运动前饮用大量的水。饮用过多的水会对胃产生不良的刺激，同时锻炼时身体运动加剧了对胃的重力牵拉，可引起胃... Summer temperatures are high, people sweat more during exercise, therefore, a corresponding increase in drinking water, if you do not pay attention to scientific drinking water will have an adverse effect on exercise, and even harmful to their health. Drinking water before exercise: Some people are afraid of sweating more, so drink a lot of water before exercise. Drinking too much water can cause unpleasant irritation to the stomach, while physical exercise exacerbates the strain on the stomach and can cause stomach ...