The triceps brachii muscle is the only muscle in the posterior compartment of the arm. It consists of three heads: lateral, medial and long head and serves primarily to extend the forearm. Learn more about the anatomy of the triceps brachii using the narrated video tutorial and interactive 3D anatomy model.
Origin |
|
---|---|
Insertion |
|
Innervation |
|
Blood Supply |
|
Action |
|