brachialis (muscle)

bra·chi·a·lis (mus·cle)

[TA] deep muscle of anterior (flexor) compartment of arm; 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], brachial muscle