Anterior forearm

Question 1

What are the 4 superficial muscles that make up the anterior forearm?

Answer 1

1. Flexor carpi ulnaris
2. Palmaris longus
3. Flexor carpi radialis
4. Pronator teres

Question 2

What 3 superficial muscles of the anterior forearm are innervated by the median nerve?

Answer 2

Flexor carpi radialis
Palmaris longus
Pronator teres

Question 3

Where do all 4 superficial muscles of the anterior forearm originate from?

Answer 3

Medial epicondyle of the humerus

Question 4

What is the innervation of the flexor carpi ulnaris?

Answer 4

Ulnar nerve

Question 5

Where does the flexor carpi ulnaris insert?

Answer 5

Into the pisiform carpal bone

Question 6

What are the actions of flexor carpi ulnaris?

Answer 6

Flexion and adduction of the wrist

Question 7

Which muscle is absent in around 15% of the population?

Answer 7

Palmaris longus

Question 8

What is the insertion of Palmaris longus?

Answer 8

Into the flexor retinaculum of the wrist

Question 9

What is action of the palmaris longus?

Answer 9

Flexion of the wrist

Question 10

What is the insertion of flexor carpi radialis?

Answer 10

Base of the metacarpal I and II

Question 11

What are the actions of flexor carpi radialis?

Answer 11

Flexion and adduction of the wrist

Question 12

What muscles forms the lateral head of the cubital fossa?

Answer 12

Pronator teres

Question 13

What is action of pronator teres?

Answer 13

Pronation of the forearm

Question 14

What is the cubital fossa?

Answer 14

The triangular region in front of the elbow

Question 15

What are the 4 structures contained in the triangular fossa?

Answer 15

1. Brachial artery
2. Median nerve
3. Radial nerve
4. Superficial veins

Question 16

What muscle forms the lateral boundary of the cubital fossa?

Answer 16

Brachioradialis

Question 17

What muscles forms the medial border of the cubital fossa?

Answer 17

Pronator teres

Question 18

What 2 structures form the roof of the cubital fossa?

Answer 18

Deep fasica reinforced by the bicipital aponeurosis

Question 19

What 2 muscles form the floor of the cubital fossa?

Answer 19

mostly brachialis and supernator laterally

Question 20

What artery divides into 2 at the cubital fossa?

Answer 20

Brachilal artery

Question 21

What does the brachial artery divide into?

Answer 21

Radial and ulnar artery

Question 22

What lies lateral to the flexor carpi radialis at the wrist?

Answer 22

Radial artery

Question 23

What muscle does the radial artery lie lateral to at the wrist?

Answer 23

Flexor carpi radialis

Question 24

What structure lies lateral to the pisiform in the anterior arm?

Answer 24

Ulnar artery

Question 25

What carpal bone does the ulnar artery lie lateral to in the wrist of the anterior forearm?

Answer 25

Pisiform

Question 26

What is the only muscle that forms the intermediate layer of the anterior forearm?

Answer 26

Flexor digitorium superficialis

Question 27

What is the origin of flexor digitorium superficialis?

Answer 27

Medial epicondyle of the humerus

Question 28

What 2 structures pass between the 2 heads of flexor digitorium superficialis?

Answer 28

Median and ulnar artery

Question 29

Where does the flexor digitorium superficialis insert into?

Answer 29

Middles phalanges of the 4 fingers

Question 30

What is the innervation of the flexor digitorium superficialis

Answer 30

Median nerve

Question 31

What are the 3 deep muslces that make up the anteriro forearm?

Answer 31

Flexor digitorium profundus
Flexor pollicis longus
Pronator quadratus