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Muscle: Coracobrachialis (Musculus coracobrachialis)
a. 3D Image of the muscle (in a new window).

Attachments: Origin & Insertion
Origin: (proximal attachments)
a. Coracoid process of the scapula.

Insertion: (distal attachments)
a. Mid-medial surface of the humerus.

a. Flexes the arm at the shoulder joint.
b. Adducts the arm at the shoulder joint.

Nerves & Nerve Roots:
a. Musculocutaneous nerve.
a. C5, C6, and C7.

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Coracobrachialis Muscle