春季气候的一个最大特点是乍暖还寒,这样的气候不利于骨关节健康,老年人尤其需要注意保护关节。老年人晨练对健康是大有益处的,但春日早晨比较寒冷,锻炼前,应先活动膝关节1～2分钟,使关节得到松弛,以防运动时膝关节的意外损伤。如果是选择跑步,要注意速度不能太快, One of the most prominent features of the spring climate is that it turns warm and cold again. Such a climate is detrimental to the health of the joints. The elderly in particular need to pay attention to protecting the joints. Morning exercise on the elderly is of great benefit to health, but the spring morning is rather cold, exercise before the knee should be active for 1 to 2 minutes, so that the joints are relaxed to prevent accidental knee injury during exercise. If you choose to run, pay attention to speed can not be too fast,