运动员在训练后必然产生不同程度的疲劳。由于疲劳使机体的运动能力下降,所以,疲劳似乎对身体是不利的,但实际上并不如此。人的体力和运动员的体能是通过疲劳才能提高,没有疲劳的产生就没有训练的效果。大负荷运动训练后产生的疲劳,一般经过72小时或更长一点时间休息就可以消除。这种疲劳称急性疲劳,它不会使人体残留病变,所以这种疲劳是有益的,但当这种急性生理疲 Athletes inevitably have different degrees of fatigue after training. Fatigue seems to be detrimental to the body due to fatigue, which reduces the ability of the body to exercise, but it is not. Human physical strength and physical fitness of athletes are improved through fatigue, and there is no training effect without the generation of fatigue. After heavy load exercise training fatigue, usually after 72 hours or longer time to rest can be eliminated. This fatigue called acute fatigue, it does not cause residual disease in the body, so this fatigue is beneficial, but when this acute physiological fatigue