Coracobrachialis Muscle: Difference between revisions
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== | == Description == | ||
[[File:Coracobrachialis.png|thumb]] | |||
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]]<ref name=":0">Drake, RL, Vogl, W, Mitchell, AW, Gray, H. Gray's anatomy for Students 2nd ed. Philadelphia : Churchill Livingstone/Elsevier, 2010</ref>. | |||
== Origin == | |||
Apex of the coracoid process, in between the [[Pectoralis Minor|pectoralis minor]] and short head of [[biceps brachii]] muscle | |||
== Insertion == | |||
Its [[Tendon Biomechanics|tendon]] attaches to the linear impression at the medial side of the midshaft of the humerus | |||
== Function<ref>Moore, KL, Dalley, AF, Agur, AM. Clinically oriented anatomy. 7<sup>th</sup> ed. Baltimore, MD: Lippincott Williams & Wilkins, 2014</ref><ref name=":0" /> == | |||
At the [[Glenohumeral Joint|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 == | |||
It's blood supply is by a branch of the brachial artery. | |||
== Innervation == | |||
It is innervated by musculocutaneous nerve which pierces it. | |||
== Assessment == | |||
==== '''Power''' ==== | |||
==== '''Other tests''' ==== | |||
== References == | == References == | ||
<references /> | <references /> | ||
Revision as of 15:12, 13 February 2019
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.
