冬末春初,乍暖还寒,肌肉、肌腱及韧带的弹力及伸展性都会降低,肌肉的粘滞性亦增加,使关节活动的范围减小,较容易导致运动创伤。这个季节的运动创伤多数是由于不做热身运动或做得不充分而造成的,所以准备活动在冬季的体育课中尤为重要。准备运动能够提高中枢神经系统的兴奋和内 In early winter and early spring, it turns warm and cold again, the elasticity and extensibility of muscles, tendons and ligaments will be reduced, the viscosity of muscles will increase, the range of joint activities will be reduced and the traumatic injuries will easily occur. The majority of sports injuries this season are caused by not doing warm-up or doing poorly, so preparation is particularly important in winter sports classes. Preparing for exercise can boost the nervous system’s innervation