The incidence of lumbar muscle strain in athlete and normal people are both high.

损是一种多发病及常见病，在运动员和普通人群中都有较高的发生率。

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The incidence of lumbar muscle strain in athlete and normal people are both high.

损是一种多发病及常见病，在运动员和普通人群中都有较高的发生率。

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