结论运动可使跟骨骨密度明显提高，促进峰值骨量增加，对预防骨质疏松具有重要意义。

Conclusion Sports have distinct effects on Calcaneus's density, and can advance bone-density's increase, having important significance of preventing bone loosen.

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少儿时期进行体育锻炼对提高峰值骨量起到关键作用，但不同的运动方式对峰值骨量的作用效果不同。

Exercise is one of the useful measures to increase the peak bone amount. However, different exercise modes have different effect on the peak bone amount.

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