OIANs hand

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Author:
jpowell22
ID:
152225
Filename:
OIANs hand
Updated:
2012-05-04 22:07:07
Tags:
functional anatomy
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Description:
oians hand
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  1. flexor digitorum superficialis
    O- common flexor tendon (medial epicondyle), coronoid process, radius

    I- sides of the middle phalanx of the four fingers

    A- flexes MP and PIP joint of the fingers

    N- median n.
  2. flexor digitorum profundus
    O- upper 3/4 of ulna

    I- distal phalanx of the four fingers

    A- flexes all three joints of the fingers (MCP, DIP, PIP)

    N- medial and ulnar nn.
  3. extensor digitorum
    O- lateral epicondyle of humerus

    I- base of distal phalanx of the 2nd thru 5th fingers

    A- extends all 3 joints of the fingers (MCP, DIP, PIP)

    N- radial n.
  4. extensor indicis
    O- distal ulna

    I- base of distal phalanx of 2nd finger

    A- extends all joints of the 2nd finger

    N- radial n.
  5. extensor digiti minimi
    O- lateral epicondyle of humerus

    I- base of distal phalanx of 5th finger

    A- extends all jts of 5th finger

    N- radial n.
  6. flexor pollicis longus
    O- radius, ant. surface

    I- distal phalanx of thumb

    A- flexes all jts of thumb

    N- median n.
  7. abductor pollicis longus
    O- post. radius, interosseous membrane, middle ulna

    I- base of first metacarpal

    A- abducts thumb

    N- radial n.
  8. extensor pollicis brevis
    O- post. distal radius

    I- base of proximal phalanx of thumb

    A- extends MCP jt of thumb

    N- radial n.
  9. extensor pollicis longus
    O- middle posterior ulna and interosseous membrane

    I- base of distal phalanx of thumb

    A- extends MCP and IP jts of thumb

    N- radial n.

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