Adductor Pollicis: Difference between revisions

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Revision as of 18:47, 19 October 2020

Description[edit | edit source]

Adductor Pollicis.png

Adductor pollicis muscle lies deep to thenar muscles and it has two heads, Oblique head and the transverse head [1]

Origin[edit | edit source]

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

Insertion[edit | edit source]

Base of proximal phalanx of thumb on its medial aspect [1]

Nerve[edit | edit source]

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

Artery[edit | edit source]

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]

Function[edit | edit source]

Adduction of thumb

Clinical relevance[edit | edit source]

Froment's sign

Assessment[edit | edit source]

Resources[edit | edit source]

  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.