Origin | scaphoid, trapezium, and radial side of flexor retinaculumm |
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Insertion | anterolateral aspect of proximal phalanx of thumb |
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Action(s) | thumb abduction (anteriorly away from palm at cmc joint) |
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Nerve Supply | recurrent motor branch of median nerve |
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Arterial Supply | superficial palmar arch |
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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 | Discussion on muscle |
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