Arm Muscle Innervation Quiz

Which two nerves are primarily responsible for innervating the muscles in the arm?

• Median and musculocutaneous nerves

• Axillary and radial nerves

• Ulnar and median nerves

• Musculocutaneous and radial nerves

Which nerve is responsible for innervating the biceps brachii?

• Median nerve

• Ulnar nerve

• Musculocutaneous nerve

• Radial nerve

What is the primary function of the muscles innervated by the musculocutaneous nerve?

• Flexion of the arm

• Abduction of the arm

• Extension of the arm

• Rotation of the arm

Which muscle group is innervated by the radial nerve?

• Flexor muscles

• Extensor muscles

• Rotator cuff muscles

• Abductor muscles

To make your arms appear larger, which muscle should you focus on according to the video?

• Biceps brachii

• Triceps brachii

• Brachialis

• Coracobrachialis