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Adductor Pollicis

Adductor Pollicis

Adducts thumb at carpometacarpal joint. Located in the upper limb.

Actions
adducts thumb at carpometacarpal joint
Origin
transverse head: anterior body of third metacarpaloblique head: bases of second and third metacarpals and adjacent trapezoid and capitate bones
Insertion
medial side of base of proximal phalanx of thumb and ulnar sesamoid
Innervation
deep branch of ulnar nerve (T1)
Blood supply
deep palmar arch

handupper-body