Lecture15: Nerves Of Upper Limb

Question 1

Which cord is the Musculocutaneous nerve a branch of?

Answer 1

Lateral cord

Question 2

Which muscle does the Musculocutaneous nerve pierce?

Answer 2

Coracobrachialis

Question 3

What muscles does the Musculocutaneous nerve innervate?

Answer 3

All flexors in the anterior compartment

Question 4

What does the Musculocutaneous nerve continue into the forearm as?

Answer 4

Lateral cutaneous nerve of forearm

Question 5

What cord does the Axillary nerve arise from?

Answer 5

Posterior cord

Question 6

Which space does the Axillary nerve pass through?

Answer 6

Quadrangular space

Question 7

Name both branches of the Axillary nerve

Answer 7

Muscular and upper lateral cutaneous nerve of the arm

Question 8

What is the origin of the medial root of the median nerve?

Answer 8

Medial cord

Question 9

When the median nerve enters the forearm, which muscle does it pass between it’s 2 heads?

Answer 9

Pronator teres

Question 10

What is the critical position of the median nerve?

Answer 10

2 inches above the wrist

Question 11

Does the median nerve pass deep to the flexor retinaculum?

Answer 11

Yes

Question 12

What 2 terminal branches does the median nerve divide into?

Answer 12

Medial and lateral

Question 13

The median nerve gives branch to the palmar cutaneous nerve, what does it supply?

Answer 13

Skin on the lateral 2/3 of the palm

Question 14

When the ulnar nerve enters the forearm, which muscle does it pass between its’ 2 heads?

Answer 14

Flexor Carpi Ulnaris

Question 15

Which nerve supplies the medial 1/3 of the palm?

Answer 15

Ulnar nerve (palmar cutaneous branch)

Question 16

What is the origin of the radial nerve?

Answer 16

Posterior cord

Question 17

Where does the radial nerve ly?

Answer 17

Spiral groove between medial and lateral heads of the triceps

Question 18

The radial nerve descends between which 2 muscles?

Answer 18

Brachialis and brachioradialis

Question 19

Which nerves supplies all the hands minus the first 2 fingers?

Answer 19

Ulnar

Question 20

What supplies the thumb and first 2 fingers?

Answer 20

Median nerve

Question 21

Supinator hypertrophy squeezes which nerve?

Answer 21

Radial nerve