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 A convulsion is a medical condition where the body muscles contract and relax rapidly and repeatedly, resulting in uncontrolled shaking. Because epileptic seizures typically include convulsions, the term ''convulsion'' is sometimes used as a s ...

, rapid and repeated muscle contraction and relaxation **

Fasciculation A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. They are common, with as many as 70% of people experiencing them. They can be benign, or associated with more serio ...

, 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, a continuous, involuntary muscle twitch that affects the muscles of the face ** Spasm, 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, 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, formerly Twitch Film or Twitch, a film news and review website * Maximilian "Twitch" Williams, a character in the comic series '' Sam and Twitch'' *"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, 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 (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, to pursue and observe a rare bird

Biology

Entertainment

Music

People

Other uses

See also