twitch in Bulgarian
twitch in Bulgarian
конвулсия
A brief, small (sometimes involuntary) movement out of place and then back again; a spasm.
тик
A brief, small (sometimes involuntary) movement out of place and then back again; a spasm.
спазъм
(physiology) A brief, contractile response of a skeletal muscle elicited by a single maximal volley of impulses in the neurons supplying it.