Posterior Arm Compartment | Triceps Brachii & Anconeus

The video tutorial covers the anatomy of the arm, focusing on the posterior compartment. It details the triceps brachii muscle, its three heads, origins, and functions, including elbow extension. The video also discusses the anconeus muscle, its role in elbow stabilization, and its relationship with the triceps. Blood supply and innervation of these muscles are explained, highlighting the radial and axillary nerves.

What are the two main compartments of the arm as discussed in the video?

Describe the structure and function of the triceps brachii muscle.

What is the origin of the long head of the triceps brachii?

What is the common insertion point for the heads of the triceps brachii?

How does the radial nerve contribute to the function of the triceps brachii?

Explain the role of the anconeus muscle in elbow extension.

Discuss the blood supply to the triceps brachii and the anconeus muscle.