contraction, spasm of a muscle

undergo a spasm

(anatomy) a muscle

suffer, struggle with, be tormented by

pain, ache, sore / grief, distress

get a cramp

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

to shorten, to shrink, to contract, to shrivel