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Monday October 6, 2008
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Muscles of the Upper Extremity / Flexor Digitorum Superficialis
Page: 1
| Origin |
Humoulnar head: medial epicondyle of humerus, ulnar collateral ligament, and coronoid process of ulna
Radial head: superior half of anterior border of radius |
| Insertion |
Bodies of middle phalanges of medial four digits |
| Action |
Flexes middle phalanges at proximal interphalangeal joints of medial four digits;
acting more strongly, it also flexes proximal phalanges at metacarpophalangeal joints and hand |
| Innervation |
Median nerve (C7, C8 and T1) |
Arterial
Supply |
Ulnar artery | |
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