cramping

a condition (also known as "cramps" in which you experience a sudden pain when the muscles in a particular part of your body contract, usually caused by cold or too much exercise ตะคริว (the verb for is also cramp เป็นตะคริว)

Remarkably, after 15 minutes of treatment, Nadal was back on his feet, insisting that the problem was merely cramping.

Several players developed cramps during the game and were forced to leave the field.

"My leg started to cramp up on me, but I didn't want to stop," he said.