is located in the upper arm, where it lies beneath the biceps muscle, which it`s the smallest of three muscles that attach to coracoid of scapula.
Coracobrachialis useful for shoulder flexion when the elbow is flexed (which shortens the biceps muscle diminishing its contribution to shoulder flexion.
Origin: Coracoid process of the scapula (thus the name)
Insertion: Medial shaft of the humerus
Action: Flexes and adducts humerus
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