Humans are born to run every day PERIOD

来源: Big_Benz 2015-07-06 19:50:35 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 次 (249 bytes)
You will for sure get knee injury when you either try too hard or you are way over weight.

The coach keeps telling us to build muscle and try to be flexible. Many a times, the knee injury occurs because your muscle is too weak.
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