genu recurvatum

例句：

1. 1.The patient was diagnosed with a genetic disorder that caused his gena recurvatum.
   患者被诊断出患有一种遗传性疾病，导致他的脊椎弯曲。
2. 2. The doctor advised him to exercise regularly to maintain his gena recurvatum.
   医生建议他定期锻炼以保持脊椎的弯曲。
3. 3.The elderly man had undergone surgery to correct his gena recurvatum, which improved his mobility.
   这位老人接受了手术来纠正他的脊椎弯曲，这改善了他的活动能力。