1. Osteochondrosis can cause pain and limited mobility in affected joints.
骨骼发育不良会导致受影响关节的疼痛和活动受限。

2. He was diagnosed with osteochondrosis in his knee and was advised to undergo physical therapy.
他的膝盖被诊断出骨骼发育不良，并被建议接受物理疗法。