Action: Adducts pollex; opposes pollex Origin - Capitate; 2nd - 4th metacarpals Insertion - Proximal phalanx of pollex Innervation - Ulnar nerve, deep branch

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1.
Action: Adducts pollex; opposes pollex
Origin - Capitate; 2nd - 4th metacarpals
Insertion - Proximal phalanx of pollex
Innervation - Ulnar nerve, deep branch