Coracobrachialis at a glance
- What it is
- A slender muscle on the medial side of the upper arm.
- Location
- Origin: tip of the coracoid process of the scapula. Insertion: middle third of the medial surface of the humerus.
- Function
- Flexes and adducts the arm.
- Body system
- Muscular · paired (left and right)
- FMA ID
- FMA37665 (Foundational Model of Anatomy)
Key facts
- Innervation: musculocutaneous nerve (C5–C7), which pierces the muscle
- Blood supply: muscular branches of the brachial artery
Structures next to the coracobrachialis
The nearest named structures in the 3D model, measured from the centre of each part:
- Thoracodorsal artery · cardiovascular
- Clavicular part of deltoid · muscular
- Acromial part of deltoid · muscular
- Posterior circumflex humeral artery · cardiovascular
- Subscapular artery · cardiovascular
- Teres minor · muscular
- Circumflex scapular artery · cardiovascular
- Spinal part of deltoid · muscular
- Anterior circumflex humeral artery · cardiovascular
- Short head of biceps brachii · muscular
References
- Foundational Model of Anatomy: Coracobrachialis (FMA37665). EMBL-EBI Ontology Lookup Service.
- OpenStax. Anatomy and Physiology 2e, §11.2 Naming Skeletal Muscles. Rice University, 2022.
- Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.
Related anatomy
Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.