Now, whether the experts in sport training or coaches equally know that the improper body condition is the one of the main reasons why athlete is hurtted when sports.

现在，无论是运动训练专家还是教练员们都同样认识到，不适宜的身体状态是运动损伤的主要原因之一。

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It can leave you feeling nauseous -- again, training helps to condition the body to running long distances.

CNN: How to not train and run a marathon ...