The injection sent his leg into spasm.

一针打下去，他的腿就痉挛了。

I had slipped a disc and was frozen in a spasm of pain.

我的一块椎间盘脱臼了，突然一阵疼痛使我动弹不得。

A muscular spasm in the coronary artery can cause a heart attack.

冠状动脉内肌肉痉挛会导致心脏病发作。