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  2. Dupuytren's contracture - Wikipedia

    en.wikipedia.org/wiki/Dupuytren's_contracture

    In Dupuytren's contracture, the palmar fascia within the hand becomes abnormally thick, which can cause the fingers to curl and can impair finger function. The main function of the palmar fascia is to increase grip strength; thus, over time, Dupuytren's contracture decreases a person's ability to hold objects and use the hand in many different ...

  3. Focal dystonia - Wikipedia

    en.wikipedia.org/wiki/Focal_dystonia

    For example, in focal hand dystonia, or writer's cramp, the fingers either curl into the palm or extend outward without control. In musicians, the condition is called musician's focal dystonia, or simply, musician's dystonia. In sports, it may be involved in what is commonly referred to as the yips. The condition appears to be associated with ...

  4. Dystonia - Wikipedia

    en.wikipedia.org/wiki/Dystonia

    The condition is sometimes "task-specific", meaning that it is generally apparent during only certain activities. Focal hand dystonia is neurological in origin and is not due to normal fatigue. The loss of precise muscle control and continuous unintentional movement results in painful cramping and abnormal positioning that makes continued use ...

  5. Acquired hand deformity - Wikipedia

    en.wikipedia.org/wiki/Acquired_hand_deformity

    Mallet finger is acquired due to injury to the thin extensor tendon that functions to straighten the end (DIP) joint of a finger. [8] Jamming of the finger induces a rupture of the extensor tendon or a broken bone at the tendon's site of attachment. [9] This results in a droopy and crooked appearance of the end joint of the finger, resembling a ...

  6. Clinodactyly - Wikipedia

    en.wikipedia.org/wiki/Clinodactyly

    Clinodactyly is an autosomal dominant trait that has variable expressiveness and incomplete penetrance. [citation needed]Clinodactyly can be passed through inheritance and presents as either an isolated anomaly or a component manifestation of a genetic syndrome. [2]

  7. Writer's cramp - Wikipedia

    en.wikipedia.org/wiki/Writer's_cramp

    [1] [2] Overcontraction of affected muscles, cocontraction of agonist and antagonist pairs, and activation of muscles inappropriate to a task all impair use of the affected hand. [3] Writer's cramp is a task-specific focal dystonia of the hand. [4] 'Focal' refers to the symptoms being limited to one location (the hand in this case), and 'task ...

  8. Cold hands are common in winter. When are they a sign of a ...

    www.aol.com/lifestyle/cold-hands-common-winter...

    “This condition commonly occurs in individuals between 15 to 30 years, in which the fingers, toes, ears, nose or even nipples become cold when an individual is stressed or exposed to cold air or ...

  9. Tenodesis grasp - Wikipedia

    en.wikipedia.org/wiki/Tenodesis_grasp

    Tenodesis grasp and release is an orthopedic observation of a passive hand grasp and release mechanism, affected by wrist extension or flexion, respectively.It is caused by the manner of attachment of the finger tendons to the bones and the passive tension created by two-joint muscles used to produce a functional movement or task (tenodesis). [1]

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