Adductor Pollicis

Joe Muscolino

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The adductor pollicis intrinsic muscle of the hand. The adductor pollicis has two heads: oblique and transverse.

The Adductor Pollicis is a member of the Central Compartment Group of intrinsic muscles of the hand, composed of the:


The Adductor Pollicis has two heads: Oblique head and Transverse head.



  • The adductor pollicis attaches from the third metacarpal to the proximal phalanx of the thumb.
    • The oblique head attaches onto the second and third metacarpals.
    • The transverse head attaches onto only the third metacarpal.
    • The adductor pollicis also attaches distally into the dorsal digital expansion.




NOTE: There is a sesamoid bone located in the distal tendon of the oblique head of the adductor pollicis.