Anterior Compartment of the Forearm

Question 1

What is the overall function of the anterior compartment of the forearm?

Answer 1

They perform flexion at the wrist and fingers as well as pronation

Question 2

What are the different sections in the anterior compartment of the forearm?

Answer 2

Superficial, intermediate and deep

Question 3

What are the muscles in the superficial section of the anterior compartment of the forearm?

Answer 3

Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor Carpi Ulnaris

Question 4

What are the muscles in the intermediate layer of the anterior compartment of the forearm?

Answer 4

Flexor digitorum superficialis

Question 5

What are the muscles in the deep layer of the anterior compartment of the forearm?

Answer 5

Flexor difitorum profundus
Flexor pollicis longus
Pronator quadratus

Question 6

What is the insertion of the plexor digitorum profundus?

Answer 6

Proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane

Question 7

What is the insertion of the medial part of the flexor digitorum profundus?

Answer 7

Bases of distal phalanges f the 4th and 5th digits

Question 8

What is the insertion of the lateral part of the flexor digitorum profundus?

Answer 8

Bases of the distal phalanges of 2nd and 3rd digits

Question 9

What is the origin of the flexor polices longus?

Answer 9

Anterior surface of radius and adjacent interosseous membrane

Question 10

What is the insertion of the flexor polices longus?

Answer 10

Base of the distal phalanx of the thumb

Question 11

What is the innervation of the flexor digitorum profundus?

Answer 11

Ulnar nerve

Question 12

What is the innervation oft he flexor policus longus?

Answer 12

Anterior interosseous nerve from median nerve

Question 13

What is the origin of the pronator quadrates?

Answer 13

Distal quarter of anterior surface of ulna

Question 14

What is the insertion of the pronator quadratus?

Answer 14

Distal quarter of anterior surface of radius

Question 15

What is the innervation of the pronator quadratus?

Answer 15

anterior interosseous nerve from median nerve

Question 16

What muscles is responsible for the flexion of distal phalanges 4 and 5

Answer 16

Medial part of the flexor digitorum profundus

Question 17

What muscle is responsible for the flexion of the distal phalanges 2 and 3?

Answer 17

Lateral part of the flexor digitorum profundus

Question 18

What muscle is responsible for the flexion of the thumb?

Answer 18

Flexor policus longus

Question 19

What is the function of all the superficial muscles in the anterior compartment of the forearm?

Answer 19

They all flex the hand at the wrist

Question 20

What is the origin of the pronator teres?

Answer 20

Ulnar head - coronoid process

Humeral head - medial epicondyle

Question 21

What is the insertion of the pronator teres?

Answer 21

Middle of convexity of lateral surface of the radius

Question 22

What is the innervation of the pronator teres?

Answer 22

Median nerve

Question 23

What is the origin of the flexor carpi radialis?

Answer 23

Medial epicondyle

Question 24

What is the insertion of the flexor carpi radialis?

Answer 24

Base of the 2nd metacarpal bone

Question 25

What is the origin of the flexor carpi ulnaris?

Answer 25

Humeral head - Medial epicondyle of the humerus

Ulnar head - olecranon and posterior border

Question 26

What is the insertion of the flexor carpi ulnaris?

Answer 26

Pisiform, hook of hamate and 5th metacarpal bone

Question 27

What is the innervation of the flexor carpi ulnaris?

Answer 27

Ulnar nerve