it is a smallest muscle of the attechment of 3 muscle attech to the coracoid process of the scapula
ORIGIN : coraciod process
INSERTION : medial side of the humerus
NERVE SUPPLY : Musculocutaneous nerve
ACTION ; flexion and adduction of arm
CLINIAL IMPORTANCE : The overuse of the coracobrachialis can lead to stiffening of the muscle.
Common causes of injury include chest workouts or activities that require to press the arm very tight towards the body,
e.g. work on the rings in gymnastics