Musculus triceps brachii

The video tutorial provides an in-depth look at the triceps brachii muscle, known as the arm extensor. It explains the anatomical structure, detailing the three heads: long, medial, and lateral. Each head's origin and attachment are discussed, along with their roles in arm movement. The triceps' functions, including elbow extension and its innervation by the radial nerve, are highlighted. The tutorial concludes with a summary of the triceps' importance in arm mechanics.

What is the significance of the common tendon plate of the triceps?

Explain how the triceps acts as an antagonist to the biceps.