cramp joint

例句：

1. 1.He had a spastic leg that made walking difficult.
   他的一条腿痉挛，走路很困难。
2. 2.The doctor prescribed medication to help relieve the patient's spasms.
   医生开了药来帮助缓解病人的痉挛。
3. 3.During his recovery, he was advised to avoid activities that could cause further spasms.
   在他康复期间，他被建议避免可能导致进一步痉挛的活动。