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Flexor Digitorum Superficialis Ring Tendons: Origin: HUMERAL head from the common flexor tendon origin at the medial epicondyle ULNAR head from the coronoid process of the Ulna RADIAL head from the oblique line of the Radius and from the superficialis arch Insertion: radial and ulnar palmar margins of the ring middle phalanx Function: flexion of the ring finger PIP joint, the MCP joint (only after flexion has been initiated) and the Wrist, weakly, along with other muscles which flex the wrist Nerve: Median Nerve Artery:
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