时差N小时 跑步的秘密(上)（在线收听）

Running shoes are carefully designed to cushion your feet and provide arch support and padding and all that stuff. Run without shoes and you’ll tear up your foot on rocks and pebbles. But studies have shown that running shoes can do more harm than good. When you run wearing shoes, you tend to land on your heels. Somehow, that’s what most running shoes make us do. But run barefoot, and you’ll naturally land on the balls of your feet. Striking the ground this way is less forceful than landing on your heel. So it’s likely that running barefoot may reduce injuries to the knee and lower back.

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跑鞋经过仔细设计用来缓冲脚的压力，并提供置于足穹部的鞋衬和衬垫。不穿鞋在岩货石鹅卵石上跑步，你的脚会被撕破。但是最近研究表明跑鞋带来的危害大于益处。当你穿鞋子跑步时，你会倾向用脚后跟着地。某种程度上，大多数跑鞋都会使我们那样做。但是光脚跑步，你会自然地用脚掌前部着地。这样着地远比用脚后跟着地带来的冲力小。光脚跑步可能会减少膝盖和背部下部受到的伤害。