due to the fact that at their early age, their bones and muscles


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送交者: steven 于 2008-08-18, 15:33:59:

回答: 如果有人在16岁以前peak就说明这规则根本不合理 由 deadmeat 于 2008-08-18, 15:29:22:

are not well developed, high-intensity training with strong impacts causes injuries and damage to the athletes bodies. Also, that shortens their athlete lives.



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