Adductor Pollicis



Tendons:

Origin:

OBLIQUE HEAD: palmar surfaces of the Trapezoid, the Trapezium and Capitate as well as the bases of the Index and Middle metacarpals

TRANSVERSE HEAD: palmar surface of the shaft of the Middle metacarpal

Insertion: The palmar ulnar base of the Thumb Proximal Phalanx, the Thumb Ulnar MCP Sesamoid, and the Thumb extensor mechanism

Function: radially adducts the thumb basal joint along with other muscles which radially adduct the basal joint, and extends the thumb interphalangeal Joint

Nerve: Motor Branch of Ulnar Nerve

Artery: Deep Palmar Arch

Anatomy Home Page

Secret Fun Links!
 American 
Society
for
Surgery
of the
Hand
assh.org

The Best
Resource
For Your
Hands,
Period.
Links to this page: Adductor Pollicis Tendons | Alphabetical Muscle Index | Brachial Plexus Lower Trunk Anterior Division | Brachial Plexus Lower Trunk | Brachial Plexus Medial Cord | Capitate | Deep Palmar Arch | Index Metacarpal | Middle Metacarpal | Motor Branch of Ulnar Nerve | Muscles of the thumb | Muscles which palmar adduct the basal joint | Muscles which produce interphalangeal joint extension | Muscles which produce MCP joint adduction | Muscles which produce MCP joint flexion | Muscles which radially adduct the basal joint | Nerve route to Adductor Pollicis | Thenar muscles All | Thenar space | Thumb extensor mechanism | Thumb Interphalangeal Joint | Thumb Proximal Phalanx | Thumb Ulnar MCP Sesamoid | Trapezium | Trapezoid |