Adductor pollicis

Dr Geon Oh et al.

The adductor pollicis is a large triangular muscle anterior to the plane of the interossei that crosses the palm.


  • origin:
    • transverse head: 3rd metacarpal
    • oblique head: capitate and bases of 2nd and 3rd metacarpals II
  • insertion: base of proximal phalanx and extensor hood of thumb
  • action: adducts thumb
  • arterial supply: deep palmar arch
  • innervation: deep branch of ulnar nerve

Upper limb anatomy
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Article Information

rID: 45026
Section: Anatomy
Tag: cases
Synonyms or Alternate Spellings:

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