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  2. Abductor digiti minimi muscle of the hand - Wikipedia

    en.wikipedia.org/wiki/Abductor_digiti_minimi...

    It is an abductor of the little finger [1] at the metacarpophalangeal joint. [6] It is also possible that the muscle contributes to extension of the middle phalanx of the little finger through its connection to finger's extensor mechanism. [5] It plays an important role when the hand is grasping large objects with outspread fingers. [7]

  3. Muscles of the hand - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_the_hand

    The radial nerve innervates the finger extensors and the thumb abductor; that is, the muscles that extend at the wrist and metacarpophalangeal joints (knuckles) and abduct and extend the thumb. The median nerve innervates the flexors of the wrist and digits, the abductors and opponens of the thumb, the first and second lumbricals .

  4. Flexor digitorum profundus muscle - Wikipedia

    en.wikipedia.org/wiki/Flexor_digitorum_profundus...

    The muscle fans out into four tendons (one to each of the second to fifth fingers) to the palmar base of the distal phalanx. [3] Along with the flexor digitorum superficialis, it has long tendons that run down the arm and through the carpal tunnel and attach to the palmar side of the phalanges of the fingers. [4]

  5. List of abductors of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_abductors_of_the...

    1.1 Arm and shoulder. 1.2 Hand and wrist. 2 Lower limb. 3 Other. ... Abduction is an anatomical term of motion referring to a movement which draws a limb out to the ...

  6. Extensor digitorum muscle - Wikipedia

    en.wikipedia.org/wiki/Extensor_digitorum_muscle

    It tends to separate the fingers as it extends them. In the fingers, the extensor digitorum acts principally on the proximal phalanges, acting to extend the metacarpophalangeal joint . Extension of the proximal and distal interphalangeal joints , however, is mediated predominantly by the dorsal and palmar interossei and lumbricals of the hand .

  7. Abduction and Adduction Are Key Movements for Your ... - AOL

    www.aol.com/lifestyle/abduction-adduction-key...

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  8. List of movements of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_movements_of_the...

    Pronation at the forearm is a rotational movement at the radioulnar joint, or of the foot at the subtalar and talocalcaneonavicular joints. [ 11 ] [ 12 ] For the forearm, when standing in the anatomical position , pronation will move the palm of the hand from an anterior-facing position to a posterior-facing position without an associated ...

  9. Extrinsic extensor muscles of the hand - Wikipedia

    en.wikipedia.org/wiki/Extrinsic_extensor_muscles...

    The ED inserts into the middle and distal phalanges to extend the fingers and wrist. Opposite the head of the second metacarpal bone, the EI joins the ulnar side of the ED tendon to extend the index finger. The EDM has a similar role for the little finger. The ECU inserts at the base of the 5th metacarpal to extend and adduct the wrist.