在冬季,一些爱好运动的老年人依然不畏寒冷地坚持打球、跑步、登山……精神可嘉,但须讲究方法,注意保护膝关节。骨科医生提醒,在天冷的时候,肌肉比较僵硬,尤其是膝盖得承受巨大压力,因此运动前必须热身以免受伤。膝关节是人体各种活动中负荷较大的关节之一,日常生活中的行、走、跑、跳等活动都离不了它,它所受到的压力很大,所以受损伤的机会也较多。大多数老年人都有膝关节疼痛的现象,就是因为它长年累月地负重使用,已经磨损得相当厉害了,所以必须节省着使。肥胖的人会更易伤 In winter, some sports-loving seniors still insist on playing cold, running, hiking ... ... spirited, but pay attention to methods, pay attention to the protection of the knee. Orthopedic surgeons warn that muscles are stiff during cold weather, especially when the knees are under tremendous pressure, so warm-up before exercise is necessary to avoid injury. The knee joint is one of the most heavily loaded joints in various activities of the human body. The activities in daily life such as walking, running, jumping and jumping are inseparable from it. The pressure on the knee is so great that it is more likely to be damaged . Most elderly people have a knee joint pain phenomenon because it is heavily used over many years and has worn out so much that it has to be saved. Obese people will be more vulnerable