Anatomy - Upper Limb Muscles

Question 1

Describe the borders of the cubital fossa

Answer 1

Superior: imaginary line between the epicondyles
Medial: pronator teres
Lateral: brachioraialis

Question 2

List the contents of the cubital fossa

Answer 2

Radial nerve
Biceps tendon
Brachial artery
Median nerve

Question 3

List the muscles in the deep and middle/deep layers of the anterior forearm

Answer 3

Deep:
 - Pronator teres
 - Pronator quadratus
Middle/deep:
 - Flexor carpi radialis
 - Palmaris longus
 - Flexor carpi ulnaris

Question 4

List the muscles in the middle/superficial and superficial layers of the anterior forearm

Answer 4

Middle/superficial:
 - Flexor digitorum profundus
 - Flexor pollicis longus
Superficial:
 - Flexor digitorum superficialis
 - Brachioradialis

Question 5

List the muscles in the deep layer of the posterior forearm

Answer 5

Extensor indicis
Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus

Question 6

List the muscles in the superficial layer of the posterior forearm

Answer 6

Extensor carpi ulnaris
Extensor digiti minimis
Extensor digitorum
Extensor carpi radialis brevis
Extensor carpi radialis longus

Question 7

Which muscles are responsible for pronating the forearm?

Answer 7

Pronator teres

Pronator quadratus

Question 8

Which muscles are responsible for supinating the forearm?

Answer 8

Supinator

Biceps brachii

Question 9

Which muscles are responsible for flexing the wrist?

Answer 9

Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

Question 10

Which muscles are responsible for extending the wrist?

Answer 10

Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris