noun, noun or participle which takes 'suru', intransitive verb
convulsion; cramp; spasm; twitch
Medical and general term for involuntary muscle contractions, ranging from minor twitches to full-body convulsions. Can be used as a noun or with する to describe the action.
足が痙攣して痛かった。
My leg cramped up and hurt.
てんかん発
His whole body convulsed during the epileptic seizure.