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  2. Extensor digitorum muscle - Wikipedia

    en.wikipedia.org/wiki/Extensor_digitorum_muscle

    The tendon to the index finger is accompanied by the tendon of extensor indicis, which lies on its ulnar side. On the back of the hand, the tendons to the middle, ring, and little fingers are connected by two obliquely placed bands, one from the third tendon passing inferior and laterally to the second tendon, and the other passing from the ...

  3. Muscles of the hand - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_the_hand

    The muscles of the hand are the skeletal muscles responsible for the movement of the hand and fingers. The muscles of the hand can be subdivided into two groups: the extrinsic and intrinsic muscle groups. The extrinsic muscle groups are the long flexors and extensors. They are called extrinsic because the muscle belly is located on the forearm ...

  4. Dupuytren's contracture - Wikipedia

    en.wikipedia.org/wiki/Dupuytren's_contracture

    The earliest sign of a contracture is a triangular "puckering" of the skin of the palm as it passes over the flexor tendon just before the flexor crease of the finger, at the metacarpophalangeal (MCP) joint. [citation needed] Late stage Dupuytren's contracture upon the left hand affecting the little finger and the ring finger but not the index ...

  5. Median nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Median_nerve_palsy

    In uncooperative patients, the skin wrinkle test offers a pain-free way to identify denervation of the fingers. After submersion in water for 5 minutes, normal fingers will become wrinkled, whereas denervated fingers will not. [16] In "Ape hand deformity", the thenar muscles become paralyzed due to impingement and are subsequently flattened. [17]

  6. 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 ...

  7. Hurting all over? Here are 10 Common Causes of Body ... - AOL

    www.aol.com/lifestyle/hurting-over-10-common...

    Widely misunderstood but fairly common, fibromyalgia is characterized by widespread pain in your bones, muscles, or ligaments—which affects about 10 million Americans, according to the National ...

  8. Hand injury - Wikipedia

    en.wikipedia.org/wiki/Hand_injury

    When the nerve is compressed, it can result in disabling symptoms like numbness, tingling, or pain in the middle three fingers. As the condition progresses, it can lead to muscle weakness and inability to hold objects. The pain frequently occurs at night and can even radiate to the shoulder.

  9. Bicep curls look easy — but this common mistake can hurt your ...

    www.aol.com/news/bicep-curls-look-easy-common...

    Since curls cause hypertrophy, or growth in muscle size, the exercise will both strengthen and tone the arms. The common mistakes people make when doing bicep curls