Origin | Hook of hamate and flexor retinaculum |
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Insertion | Medial border of 5th metacarpal |
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Action(s) | Draws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb |
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Nerve Supply | Deep branch of ulnar nerve (C8 and T1) |
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Arterial Supply | Ulnar artery |
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Physical Exam | Enter physical examination maneuvers for muscle |
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Clinical Importance | Enter clinical importance of muscle |
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Disease States | Enter links to pages where muscle involved |
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Discussion | The opponens minimi digiti (opponens digiti quinti in older texts) is of a triangular form, and placed immediately beneath the palmaris brevis, abductor minimi digiti, and flexor brevis minimi digiti. It arises from the convexity of the hamulus of the hamate bone, and contiguous portion of the transverse carpal ligament. |
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| Figures |
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Last Updated on June 27, 2024
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