The Upper Limb

Question 1

Which nerve routes make up the brachial plexus?

Answer 1

C5-T1

Question 2

What is the nerve supply to the anterior arm? Arm refers to upper portion of upper limb

Answer 2

Musculocutaneous

Question 3

What is the nerve supply to the posterior arm and forearm?

Answer 3

Radial nerve

Question 4

What is the nerve supply to teres minor and the deltoid?

Answer 4

Axillary nerve

Question 5

What is the nerve supply to the majority of the anterior forearm? What are the exceptions to this?

Answer 5

Median nerve

Except 1/2 flexor digitorum profundus and flexor carpi ulnaris

Question 6

What nerve supplies the thenar muscles of the hand?

Answer 6

Median nerve

Question 7

What nerve supplies the hypothenar muscles of the hand?

Answer 7

Ulnar nerve

Question 8

What is the function of the palmar interossei muscles?

Answer 8

Adduction (PAD)

Question 9

What is the function of the dorsal interossei muscles?

Answer 9

Abduction (DAB)

Question 10

What is the common origin of the flexor compartment?

Answer 10

Medial epicondyle of the elbow

Question 11

What muscle/s is in the anterior arm?

Answer 11

Biceps brachii
Brachialis
Corachobrachialis

Question 12

What muscle/s is in the anterior forearm?

Answer 12

Superficial
Pronator teres
Flexor Carpi radialis
Palmaris Longus
Flexor carpi ulnaris

Middle
Flexor digitorum superficialis

Deep
Flexor digitorum produndus
Pronator Quadratus
Flexor pollicus longus

Question 13

What muscle/s is in the anterior arm?

Answer 13

Triceps brachii

Question 14

What muscle/is in the posterior forearm?

Answer 14

Superficial:
Brachioradialis
Extensor carpi radialis longus and brevis
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris 
Anconeus

Deep:
Supinator 
Abductor pollicus longus
Extensor pollicus longus and brevis
Extensor indicis