convulsion; cramp; spasm; tic; twitch; fit
gastrospasm; stomach spasm; stomach cramps
vaginismus; vaginal spasm
muscle spasm; myospasm; cramp
electroconvulsive therapy; ECT
bronchospasm; bronchial spasm
antispasmodic drug; spasmolytic drug; anticonvulsant drug
spasticity; contracture; (muscle) stiffness
antispasmodic drug; spasmolytic drug; anticonvulsant drug
spasmolysis; spasmolytic; antispasmodic; anticonvulsive
familial spastic paraplegia
cervical dystonia; spasmodic torticollis
blepharospasm; spasmodic winking