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Benign fasciculation syndrome (BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. [1] The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet. The tongue can also be affected. The twitching may be occasional to continuous. [2]
Anterior interosseous syndrome is a medical condition in which damage to the anterior interosseous nerve (AIN), a distal motor and sensory branch of the median nerve, classically with severe weakness of the pincer movement of the thumb and index finger, and can cause transient pain in the wrist (the terminal, sensory branch of the AIN innervates the bones of the carpal tunnel).
The thumb represents the "stolen" nose held between the player's index and middle finger. This innocent meaning may exist alongside the obscene one. [5] In Portugal, Brazil, and some places in Spain, such as Galicia and Asturias, it is a gesture of good luck, or even wishing good luck. It is also believed to ward off evil eye and protect ...
Frequency of PD tremor is between 4 and 6 hertz (cycles per second). It is a pronation–supination tremor that is described as "pill-rolling"; that is, the index finger of the hand tends to get into contact with the thumb, and they perform a circular movement together.
Gif of thumb twiddling Position of fingers and thumbs for the practice of twiddling. Thumb twiddling is an activity that is done with the hands of an individual whereby the fingers are interlocked and the thumbs circle around a common point, usually in the middle of the distance between the two thumbs.
A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. [1] They are common, with as many as 70% of people experiencing them. [1] They can be benign, or associated with more serious conditions. [1]
Linburg–Comstock variation is an occasional tendinous connection between the flexor pollicis longus and the flexor digitorum profundus of the index, the middle finger or both. It is found in around 21% of the population. [ 1 ]
two of these supply the sides of the thumb, while the third gives a twig to the first lumbricalis and is distributed to the radial side of the index finger. It also divides into two common palmar digital nerves: The first of these divides into two proper digital nerves for the adjoining sides of the index and middle fingers;