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Other Terms: Casserio's muscle, Musculus brachialis, Muscle brachial
Latin muscle parts
Brachial muscle – anterior compartment
In English, the muscle’s name is the muscle of the arm.Brachialis derives from the Latin term brachium, which derives from the Greek brachion meaning “arm,” in reference to the region of the upper limb between the shoulder and the elbow.
Anterior surface of distal half of the humerus
Coronoid process of the ulna and ulnar tuberosity
Flexion of the elbow joint – the brachialis is the major flexor of the elbow joint when the forearm is either supinated or pronated. It is active during all movements of elbow flexion, both resisted and not.
Musculocutaneous nerve (C5 and C6)
Muscular branches of the brachial artery supply the major bulk of the muscle. It also receives branches from the ulnar, superior ulnar collateral, inferior ulnar collateral, anterior ulnar recurrent, radial collateral, and radial recurrent arteries.