Twitch

Twitch may refer to:

==Biology== Muscle contraction, otherwise known as twitching Convulsion, rapid and repeated muscle contraction and relaxation Fasciculation, a small, local, involuntary muscle contraction Myoclonic twitch, a jerk usually caused by sudden muscle contractions Myokymia, a continuous, involuntary muscle twitch that affects the muscles of the face Spasm, a sudden, involuntary contraction Tic, an involuntary, repetitive, nonrhythmic action Tremor, an involuntary, repetitive, somewhat rhythmic action Twitching motility, a form of crawling some bacteria use to move over surfaces