研究小组发现，这些人的骨骼质量几乎没有明显的增强，而两处最易骨折的部位——脊骨下部和大腿骨上部的骨骼质量也未得到改善。

The team found few significant increases in bone mass and none in the two bones which are most vulnerable to fracture - the lower spine and upper part of the thigh.

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超过百分65以上的研讨采样妇女，在最不容易骨折的大腿骨上，发生骨折。

Over 65 percent had the same rare fracture in the same area of their thigh bones.

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