Forearm: Anterior Compartment

Question 1

Muscles of the superficial layer of the anterior compartment of the forearm

Answer 1

Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

Question 2

Muscles of the intermediate layer of the anterior compartment of the forearm

Answer 2

Flexor digitorum superficialis

Question 3

Muscles of the deep layer of the anterior compartment of the forearm

Answer 3

Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus

Question 4

Innervation of the anterior compartment of the forearm

Answer 4

Median nerve
Flexor carpi ulnaris = ulnar nerve
Medial half of FDP = ulnar nerve
Lateral half of FDP = median nerve

Question 5

Function of the anterior compartment of the forearm

Answer 5

Flexion of the wrists and digits, pronation, adduction and abduction of wrist
Flexor digitorum superficialis = flexion of PIPJs
Flexor digitorum profundus = flexion of DIPJs
Flexor pollicis longus = flexion of thumb

Question 6

What is the common flexor origin?

Answer 6

Medial epicondyle of the humerus