nervous twitch
- ticInvoluntary repetitive movement
- spasmInvoluntary muscle contraction
- jerkAbrupt pulling motion
- flinchInvoluntary retreat from threat
- tremorInvoluntary rhythmic shaking
blink · eyelid · involuntary · stress · anxiety · muscle · flutter · quiver · startle · reflex · facial · tension · shaky · wince · pulse · stammer · habit · uncontrollable