Adductor Pollicis

Not yet rated
based on ratings

Original Author(s): Oliver Jones
Last updated: October 17, 2022
Revisions: 5

Original Author(s): Oliver Jones
Last updated: October 17, 2022
Revisions: 5

format_list_bulletedContents add remove

The adductor pollicis is an intrinsic muscle of the hand. It is a triangular shape with two heads. The radial artery passes anteriorly through the space between the two heads to form the deep palmar arch.

  • Attachments:
    • One head originates from the third metacarpal.
    • The other head originates from the capitate and adjacent areas of second and third metacarpal.
    • Both heads attach onto the base of the proximal phalanx of the thumb.
  • Actions: Adduction of the thumb.
  • InnervationUlnar nerve.
  • Blood Supply: Deep palmar arch.

Fig 1 – The adductor pollicis. Note the two heads of the muscle.