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image: Opponens Pollicis
Opponens Pollicis

Opponens Pollicis

 Articulations :

 Action :

  • Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially.

Origin :

  • Flexor retinaculum and tubercles of scaphoid and trapezium.

Insertion :

  • Lateral side of 1st metacarpal.

Innervation :

  • Recurrent branch of median nerve (C8 and T1).

Arterial Supply :

  • Superficial palmar branch of the radial artery.

Depth :

  • Superficial
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