Twitch may refer to:

Biology

Muscle contraction Muscle contraction is the activation of tension-generating sites within muscle cells. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as ...

** Convulsion, rapid and repeated muscle contraction and relaxation ** Fasciculation, a small, local, involuntary muscle contraction **

Myoclonic twitch Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus (myo "muscle", clonic "jerk") describes a medical sign and, generally, is ...

, a jerk usually caused by sudden muscle contractions **

Myokymia Myokymia is an involuntary, spontaneous, localized quivering of a few muscles, or bundles within a muscle, but which are insufficient to move a joint. One type is superior oblique myokymia. Myokymia is commonly used to describe an involuntary eye ...

, a continuous, involuntary muscle twitch that affects the muscles of the face **

Spasm A spasm is a sudden involuntary contraction of a muscle, a group of muscles, or a hollow organ such as the bladder. A spasmodic muscle contraction may be caused by many medical conditions, including dystonia. Most commonly, it is a muscle c ...

, a sudden, involuntary contraction **

Tic A tic is a sudden, repetitive, nonrhythmic motor movement or vocalization involving discrete muscle groups.American Psychiatric Association (2000)DSM-IV-TR: Tourette's Disorder.''Diagnostic and Statistical Manual of Mental Disorders'', 4th ed., ...

, an involuntary, repetitive, nonrhythmic action **

Tremor A tremor is an involuntary, somewhat rhythmic, muscle contraction and relaxation involving oscillations or twitching movements of one or more body parts. It is the most common of all involuntary movements and can affect the hands, arms, eyes, fa ...

, an involuntary, repetitive, somewhat rhythmic action *

Twitching motility Twitching motility is a form of crawling bacterial motility used to move over surfaces. Twitching is mediated by the activity of hair-like filaments called type IV pili which extend from the cell's exterior, bind to surrounding solid substrates a ...

, a form of crawling some bacteria use to move over surfaces

Entertainment

Twitch (service) Twitch is an American video live streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and " in real life" streams. Twitch is opera ...

, an Amazon subsidiary live streaming video website * ''Twitch'' (film), a 2005 short directed by Leah Meyerhoff *

Screen Anarchy Screen Anarchy, previously known as Twitch Film or Twitch, is a Canadian English-language website featuring news and reviews of mainly international, independent and cult films. The website was founded in 2004 by Todd Brown. In addition to films, ...

, formerly Twitch Film or Twitch, a film news and review website * Maximilian "Twitch" Williams, a character in the comic series ''

Sam and Twitch Sam Burke and Maximilian "Twitch" Williams are two fictional NYPD homicide detectives, created by Todd McFarlane. Sam and Twitch were originally featured in McFarlane's hit comic series ''Spawn''. Due to their popularity, they were later given th ...

'' *"Twitch", a fictional character from the book ''

How to Eat Fried Worms ''How to Eat Fried Worms'' is a children's book written by Thomas Rockwell, first published in 1973. The novel's plot involves a boy eating worms as part of a bet. It has been the frequent target of censors and appears on the American Library ...

'' and its 2006 film adaptation *

Twitch gameplay Twitch gameplay is a type of video gameplay scenario that tests a player's response time. Action games such as shooters, sports, multiplayer online battle arena, and fighting games often contain elements of twitch gameplay. For example, firs ...

, a computer or video game that challenges the player's reaction time

Music

* ''Twitch'' (Ministry album), 1986 * ''Twitch'' (Aldo Nova album), 1985, or the title track * ''Twitch'' (EP), by Jebediah, 1996 * "Twitch", a 2001 song by Christina Milian from her self-titled album

People

Stephen "tWitch" Boss Stephen Laurel "tWitch" Boss (September 29, 1982December 13, 2022) was an American freestyle hip hop dancer, choreographer, actor, television producer, and television personality. In 2008, he finished in second place on the American version of ...

(1982–2022), American freestyle hip-hop dancer, entertainer and actor *

Jeremy Stenberg Jeremy "Twitch" Stenberg (born September 27, 1981) is an American professional freestyle motocross rider and professional off-road truck racer. Stenberg received his nickname "Twitch" from his Tourette's syndrome, which he was diagnosed with at ...

(born 1981), American motocross rider

Other uses

Twitch (device) A twitch is a device that is used to restrain horses for various stressful situations, such as veterinary treatment. It is usually made up of a stick-like handle loop of chain or rope on the end, or a metal ring with a rope loop which is wrappe ...

, used to restrain horses *

Twitch grass ''Elymus repens'', commonly known as couch grass, is a very common perennial species of grass native to most of Europe, Asia, the Arctic biome, and northwest Africa. It has been brought into other mild northern climates for forage or erosion cont ...

* Twitch, in

birdwatching Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science. A birdwatcher may observe by using their naked eye, by using a visual enhancement device like binoculars or a telescope, b ...

, to pursue and observe a rare bird

Biology

Entertainment

Music

People

Other uses

See also