brachialis muscle


bra·chi·a·lis mus·cle

(brā-kē-ā'lis mŭs'ĕl) Origin, lower two thirds of anterior surface of humerus; insertion, coronoid process of ulna; action, flexes elbow; nerve supply, musculocutaneous, usually with a minor contribution from the radial.
Synonym(s): musculus brachialis [TA] .

brachialis muscle

Arm muscle. Origin: anterior surface of lower (distal) humerus. Insertion: coronoid process of ulna. Nerve: musculocutaneous and radial (C5-C7). Action: flexes forearm. See: arm for illus. (Muscles of the Arm)See also: muscle