Anterior Compartment Of Forearm

Question 1

What are the three deep muscles on the front of the forearm?

Answer 1

1. Flexor pollicis longus
2. Flexor digitorum profundus
3. Flexor carpi ulnaris

Question 2

What is the origin of the Flexor digitorum profundus?

Answer 2

Radial head from shaft of radius and coronoid process of ulna

Also includes the humeroulnar head from common flexor of all fingers.

Question 3

Which nerve supplies the Flexor digitorum profundus?

Answer 3

Median nerve

Question 4

What is the primary action of the Flexor digitorum profundus?

Answer 4

Flexion of PIP joints

Question 5

What is the origin of the Flexor carpi ulnaris?

Answer 5

Humeral head from common flexor origin and ulnar head from olecranon process

Question 6

What is the action of the Flexor carpi ulnaris?

Answer 6

Flexion and adduction at the wrist

Question 7

Which nerve supplies the Flexor carpi ulnaris?

Answer 7

Ulnar nerve

Question 8

What is the origin of the Palmaris longus?

Answer 8

Common flexor origin

Question 9

What is unique about the Palmaris longus in some individuals?

Answer 9

Absent in 10-15% of cases

Question 10

What is the action of the Flexor carpi radialis?

Answer 10

Flexion and abduction of the wrist

Question 11

What is the insertion point of the Flexor carpi radialis?

Answer 11

Base of second and third metacarpals

Question 12

What is the nerve supply for the Flexor carpi radialis?

Answer 12

Median nerve

Question 13

What is the action of the Pronator teres?

Answer 13

Pronation of the radius in middle forearm

Question 14

What is the origin of the Pronator teres?

Answer 14

Humeral head from common flexor origin

Question 15

Which nerve supplies the Pronator teres?

Answer 15

Median nerve