指痉挛

例句：

1. 1. He had a severe cramp in his leg during the game.
   他在比赛中腿抽筋了。
2. 2. The patient was experiencing a seizure, which is a form of muscular spasm.
   病人正在经历一次癫痫发作，这是一种肌肉痉挛的形式。
3. 3. The sudden onset of pain made her realize that she had a muscle cramp.
   突然的疼痛让她意识到她有肌肉痉挛。