The Posterior Compartment Of The Arm

Leslie Samuel introduces a video on the posterior compartment of the arm, focusing on the triceps brachii muscle. The video, sponsored by 3D4Medical, explores the anatomy, innervation, and function of the triceps brachii, highlighting its three heads and the role of the radial nerve. The video concludes with a summary and directs viewers to additional resources for further learning.

What is the main focus of the video tutorial?

• The posterior compartment of the arm

• The muscles of the leg

• The bones of the skull

• The anterior compartment of the arm

How many heads does the triceps brachii muscle have?

• Two

• One

• Four

• Three

Which head of the triceps brachii is visible after removing the other two?

• Long head

• Lateral head

• Medial head

• None of the above

What nerve is responsible for the innervation of the triceps brachii?

• Ulnar nerve

• Musculocutaneous nerve

• Radial nerve

• Median nerve

What is the primary function of the triceps brachii muscle?

• Abduction of the arm

• Rotation of the forearm

• Extension of the elbow

• Flexion of the elbow