攣れん縮しゅく

noun, noun or participle which takes 'suru'

spasm; cramp; convulsive contraction

Medical term for involuntary muscle contraction. Often used in compound words like 胃攣縮 (stomach cramp) or 顔面攣縮 (facial spasm).

• 激はげしい運うん動どうの後あと、ふくらはぎが攣れん縮しゅくを起おこした。

  After intense exercise, my calf went into a spasm.

• 胃いが攣れん縮しゅくして痛いたみが走はしった。

  My stomach cramped and a sharp pain ran through me.