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跑步是中老年健身的一项重要体育活动。但是,跑步又是一项持续时间较长的重复性运动,可加重膝关节的负担。据测定,一个体重60公斤的人,跑10公里,按单脚每公里着地500次计算,每只脚累积承受的重量就是600—800吨。特别是中
Running is an important sport for middle-aged and old-age fitness. However, running is a repetitive exercise that lasts longer and can add to the burden on the knee. It has been determined that a person weighing 60 kg runs 10 kilometers per 500 feet per kilometer of ground and accumulates a weight of 600-800 tons per foot. Especially in