人到50岁左,生理上开始出现微细的变化,如重心不正,头重脚轻,动作不灵,反应迟钝,头发花白,气血渐虚,肌体抵抗力下降等。65岁以后,五脏、骨骼、肌腠、器官、毛发等发生一系列变化,出现衰老征象。根据老人的具体情况,冬季锻炼方法必须改变,否则会因锻炼方法不当而引起疾病,造成不必要的痛苦。所以,老人冬季锻炼一定要因人、因时而宜。如突然有寒流,就应改变锻炼计划,把各种运动全部改在室内进行,如打拳、原地跑步、跳绳、做操、散步等,而且效果与在室外锻炼一样。就无寒流的情况 People to the age of 50 left, physiologically began to appear subtle changes, such as the center of gravity, top-heavy, unproductive, unresponsive, gray hair, qi and blood, body resistance decreased. After the age of 65, a series of changes occur in the five internal organs, bones, muscles, organs, hair and the like, and signs of aging appear. Depending on the circumstances of the elderly, the method of winter training must be changed or the disease may be caused by inappropriate training methods, causing unnecessary suffering. Therefore, the elderly must be due to winter training, due to the time and appropriate. If there is sudden cold, you should change the exercise plan, all kinds of sports all changed indoors, such as boxing, running in place, skipping, doing exercises, walking, etc., and the effect is the same with the outdoor exercise. There is no cold flow of the situation