Adductor Pollicis

Original Editor - Shanshika Maddumage

Top Contributors - Shanshika Maddumage, Shaimaa Eldib and Kim Jackson


Adductor Pollicis.png

Adductor pollicis muscle lies deep to thenar muscles. It has two heads, oblique head and the transverse head. [1]


  • Oblique head originates from bases of 2nd-3rd metacarpals
  • Transverse head originates from the shaft of 3rd metacarpal [1]


The base of proximal phalanx of thumb on its medial aspect [1]


Deep branch of ulnar nerve. It ends in this muscle [1][2]


Deep palmar arch

Main trunk of the radial artery passes into the palm between the oblique and transverse heads of the adductor pollicis to form the deep palmar arch[1] [2]


Adduction of thumb

Clinical relevance

Froment's sign




  1. 1.0 1.1 1.2 1.3 1.4 Chaurasia BD. BD Chaurasia's Human Anatomy. CBS Publishers & Distributors PVt Ltd.; 2010. p112-13.
  2. 2.0 2.1 Sinnatamby CS. Last's Anatomy, International Edition: Regional and Applied. Elsevier Health Sciences; 2011 Apr 19.
  3. Adductor pollicis MMT. Available from:[Last accessed 19/10/2020]