Understanding the Posterior Compartment of the Arm

What is the main focus of the video presented by Leslie Samuel?

• The cardiovascular system

• The anatomy of the leg

• The posterior compartment of the arm

• The anterior compartment of the arm

How many heads does the triceps brachii muscle have?

• Four

• Two

• One

• Three

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

• Medial head

• Lateral head

• Anterior head

• Long head

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

• Radial nerve

• Median nerve

• Musculocutaneous nerve

• Ulnar nerve

What is the primary function of the triceps brachii muscle?

• Extension of the elbow

• Flexion of the elbow

• Abduction of the arm

• Rotation of the forearm