When he was 5, he developed Legg-Perthes disease, a hip disorder, and a doctor thought ballet dancing might be a good idea.

5岁的时候得了儿童股骨头缺血性坏死，一种髋关节关节的疾病，一位医生认为跳芭蕾能对治疗有帮助。

youdao

Anyway, no treatment could stop the progress of coxa plana and degeneration of the bone, which could lead to disorder of the hip.

但无论如何治疗均无法阻止患儿成年后出现扁平髋畸形和髋关节退行改变，导致髋关节功能障碍。

youdao

He suffers from a degenerative bone disorder in his hip and has had surgery for prostate cancer, a quadruple heart bypass and a double knee replacement.

CNN: Senator No