Musculoskeletal/Integument (MSI)

Action: flexes hand at wrist and metacarpophalangeal and proximal interphalangeal joints. Innervation: median n. Third Layer. Flexor Digitorum Profundus. Origin: proximal ulna and interosseus membrane. Insertion: base of distal phalanx of digits 2-5. Action: flexes hand at wrist and metacarpophlanageal, proximal, and distal interphalangeal joints ................
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