Coracobrachialis - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The coracobrachialis is a muscle in the anterior compartment of the upper arm. Attachments: Originates from the coracoid process of the scapula. The muscle passes through the axilla and attaches the medial aspect of the humerus shaft (at the level of the deltoid tubercle). Function: Flexion of the arm at the shoulder. It is also a weak adductor at the shoulder. Innervation: Musculocutaneous nerve. Blood supply: Brachial artery. By TeachMeSeries Ltd (2025) Fig 1The coracobrachialis, biceps brachii and brachialis muscles of the anterior upper arm. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Pro Feature - Dissection Atlas Prosection of the upper limb. The biceps brachii and coracobrachialis are visible, as well as the major peripheral nerves of the upper limb. Prosection of the upper limb. The biceps brachii and coracobrachialis are visible, as well as the major peripheral nerves of the upper limb. You've Discovered a Pro Feature Access our Dissection Image Library Enhance your understanding with high-resolution dissection images showcasing real-life anatomy. Learn More Rate This Article