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Adductor Pollicis (Hand)

Adductor Pollicis


Origin :

  • Oblique head: Bases of 2nd and 3rd metacarpals
  • capitate and adjacent carpals
  • Transverse head: Anterior surface of body of 3rd metacarpal

Insertion :

  • Medial side of base of proximal phalanx of thumb.

Innervation :

  • Deep branch of ulnar nerve (C8 and T1).

Arterial Supply :

  • Deep palmar arterial arch.

Depth :

  • Superficial


Action :

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