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A tremor is an involuntary, [1] 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, face, head, vocal folds, trunk, and legs.
Actress Katharine Hepburn (1907–2003) had an essential tremor, possibly inherited from her grandfather, [92] that caused her head—and sometimes her hands—to shake. [ 93 ] [ 94 ] [ 95 ] The tremor was noticeable by the time of her performance in the 1979 film The Corn Is Green , when critics mentioned the "palsy that kept her head ...
In 1868, French neurologist Jean-Martin Charcot first characterized the distinction between MS, with its resulting intention tremor, and the resting tremor characteristic of Parkinson's disease. Intention tremor became known as part of Charcot's triad [ citation needed ] (not to be confused with the Charcot triad of acute cholangitis), which ...
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Shivering — shaking of the body in response to early hypothermia in warm-blooded animals. Sneeze or sternutation — a convulsive expulsion of air from the lungs normally triggered by irritation of the nasal mucosa in the nose. Startle-evoked movement — involuntary initiation of a planned movement in response to a startling stimulus ...
The way the president shakes hands has been in the news as of late, especially those with French President Emmanuel Macron. Macron said his first shake with Trump was a "moment of truth." Another ...
The Harlem Shake is an Internet meme in the form of a video in which a group of people dance to a short excerpt from the song "Harlem Shake". The meme became viral in early February 2013, [2] with thousands of "Harlem Shake" videos being made and uploaded to YouTube every day at the height of its popularity. [3]
Simultaneous finger guns with both hands can also be used to underscore the punchline of a joke, something of a visual equivalent to a "rimshot" sound effect. Finger heart is a hand gesture in which the subject has a palm up fist, raises their index finger and brings their thumb over it so as to form a small heart shape. It signals a similar ...