在许多人看来,夏日炎炎,人稍微动一动就会出汗,更别提运动了。其实,越是怕热越觉得热,越不活动,肌体适应外界环境的能力就越差。在热环境下运动,能使皮下毛细血管扩张,体腺开放加速,散热能力得到提高,使肌体有更强的调节体温的能力,这也是很多专家提倡“冬练三九、夏练三伏”的 For many, the summer is hot and people sweat a little, let alone exercise. In fact, the more afraid of fever, the more hot, less active, the body’s ability to adapt to the external environment, the worse. In hot environment, can make subcutaneous capillaries dilate, accelerate the opening of body glands, heat capacity is improved, so that the body has a stronger ability to regulate body temperature, which is also many experts advocate “winter training 39, summer training three volts”