cramp bar

例句：

1. 1.She was in a lot of pain after her surgery, and she needed to take the cramp bar.
   她手术后很疼，需要吃痉挛带。
2. 2. The doctor prescribed him a muscle relaxant to help with his cramps.
   医生给他开了肌肉松弛剂来缓解他的痉挛。
3. 3.During the race, he had to use the cramp bar to prevent his legs from getting cramped.
   比赛中，他不得不用痉挛带来防止双腿抽筋。