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下楼梯本是小事,但对膝关节的伤害远远超过我们的想象。美国的一项研究显示,人躺下来时膝盖的负重几乎为0,站起来和走路时是体重的1至2倍,而下楼梯时膝关节的负重则是体重的3至4倍。试想一下,一个正常人的体重大约为60公斤,每下一级台阶
This is a small downstairs, but the damage to the knee far beyond our imagination. A study in the United States shows that when a person lies down, the weight of the knee is almost zero, and when standing up and walking, he weighs 1 to 2 times the weight of the knee while the weight of the knee when going down the stairs is 3 to 4 times the weight. Imagine, a normal weight of about 60 kilograms, each next level