3 sentences

1. 我的手抽筋了。

   wǒ de shǒu chōu​jīn le.

   My hand is cramping up.

   Source: OpenSubtitles

2. 游泳前不做热身运动，腿部很容易抽筋。

   yóu​yǒng qián bù zuò rè​shēn yùn​dòng, tuǐ​bù hěn róng​yì chōu​jīn.

   If you don't warm up before swimming, your legs can easily cramp.

   Source: Dong Chinese Dictionary

3. 他腿上的抽筋不久就变成一瘸一拐的了。

   tā tuǐ shàng de chōu​jīn bù​jiǔ jiù biàn​chéng yī qué yī guǎi de le.

   The cramp in his leg soon turned into a limp.

   Source: OpenSubtitles