spontaneous rupture of tendon

例句：

1. 1. Heinjured his knee during a soccer match and suffered a spontaneous rupture of the patellar tendon.
   他在一场足球比赛中受伤，导致髌韧带自发性断裂。
2. 2. The patient was diagnosed with a spontaneous rupture of the Achilles tendon, which required immediate surgical repair.
   患者被诊断出有跟腱自发性断裂，需要立即进行手术治疗。
3. 3. The doctor explained that this type of injury is often caused by sudden forceful movements, leading to a spontaneous rupture ofthe tendon.
   医生解释说，这种类型的伤害通常是由于突然的剧烈运动导致的，从而导致肌腱自发性断裂。