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Second Palmar Interosseous Tendons: Origin: the radial surface of the Ring Metacarpal Insertion: the radial base of the ring finger proximal phalanx and the ring radial digital extensor mechanism Function: flexes, radial deviates (adducts) and pronates the ring finger MCP joint, and extends the ring PIP and DIP joints Nerve: Motor Branch of Ulnar Nerve Artery: Deep Palmar Arch
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American Society for Surgery of the Hand assh.org The Best Resource For Your Hands, Period. |