Coracobrachialis Muscle
Original Editor Uchechukwu Chukwuemeka
Top Contributors - Uchechukwu Chukwuemeka and Kim Jackson
Description[edit | edit source]
Coracobrachialis muscle is one of the three muscles that originates from to the coracoid process of the scapula. It is situated at the superomedial part of the humerus[1].
Origin[edit | edit source]
Apex of the coracoid process, in between the pectoralis minor and short head of biceps brachii muscle
Insertion[edit | edit source]
Its tendon attaches to the linear impression at the medial side of the midshaft of the humerus
Function[2][1][edit | edit source]
At the glenohumeral joint, the coracobrachialis
- flexes and adducts the humerus.
- acts as humeral head stabilizer together with the deltoid and long head of the triceps brachii.
- assists in arm internal rotation
Blood Supply[edit | edit source]
It's blood supply is by a branch of the brachial artery.
Innervation[edit | edit source]
It is innervated by musculocutaneous nerve which pierces it.
