Nerves

Question 1

Major branches of Brachial Plexus supplying arm muscles

Answer 1

1. Musculocutaneous (more Anterior)

2. Radial (more posterior arm, and forearm)

Question 2

Axillary

Answer 2

Innervates the deltoid and the teres minor muscles

Question 3

Radial

Answer 3

-Innervates posterior muscles (extensors) of the arm and forearm muscles (motor and sensory)

Question 4

Radial’s 2 branches

Answer 4

1. Superficial branch

2. Deep Branch

Question 5

Superficial branch of radial nerve

Answer 5

runs under the brachioradialis and is the cutaneous nerve of the dorsum of the hand

Question 6

Deep branch of radial nerve

Answer 6

goes into the supinator muscle and eventually comes out of it as the posterior interosseous nerve

Question 7

Musculocutaneous Innervates

Answer 7

• anterior muscles (flexors) of the arm

- Changes into the lateral antebrachial cutaneous nerve