| - FLEXOR DIGITORUM PROFUNDUS
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| ORIGIN: |
Medial olecranon, upper three quarters of anterior and medial surface of ulna as far round as subcutaneous border and narrow strip of interosseous membrane |
| INSERTION: | Distal phalanges of medial four fingers. Tendon to index finger separates early
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| ACTION: |
Flexes distal interphalangeal joints, then secondarily flexes proximal interphalangeal and metacarpophalangeal joints and wrist
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| NERVE: |
Median nerve (anterior interosseous) (C6, 7) / ulnar nerve (C7, 8)
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