Anterior Forearm

Question 1

Muscles involved: (Pass Fail Pass Fail)

Answer 1

Superficial
- pronator terus
- flexor carpi radius
- palmaris longus
- flexor carpi ulnaris
Intermed
- flexor digitorum superficialis
Deep
- flexor digitorum profundus
- flexor pollicis longus
- pronator quadratus

Question 2

Pronator terus

Answer 2

P: medial epicondyle and coronoid process of ulna

D: process of ulna

A: forearm pronation and elbow flexion

NS: median nerve

Question 3

flexor carpi radius

Answer 3

P: medial epicondyle of humerus

D: palmar surface of base of 2nd metacarpal

A: wrist flexion and radial deviation (abd)

NS: median nerve

Question 4

palmaris longus

Answer 4

P: medial epicondyle of humerus

D: flexor retinaculum and palmar aponeurosis

A: wrist flexion

NS: median nerve

Question 5

flexor carpi ulnaris

Answer 5

P: medial epicondyle of humerus

D: palmar surface of pisiform, hook of the hamate and base of 5th metacarpal

A: wrist flex and ulnar deviation (add)

NS: ulnar nerve

Question 6

Flexor digitorum superficialis

Answer 6

P: medial epicondyle of humerus

D: middle phalanges of digits 2-5

A: flex at wrist, metacrpophalangeal and proximal interphalangeal joints of digits 2-5

NS: median nerve

Question 7

flexor digitorum profundus

Answer 7

P: proximal anterior medial surface of ulna and IOM

D: palmar surface of base of distal phalanges of digits 2-5

A: distal interphalangeal joint flexion of digits 2-5

NS: ulnar and median nerves

Question 8

flexor pollicis longus

Answer 8

P: anterior surface of radius and IOM

D: palmar surface of base of distal phalange of 1st digit

A: metacropophalangeal and interphalangeal flexion of 1st digit

NS: anterior interosseous nerve

Question 9

pronator quadratus

Answer 9

P: distal anterior surface of ulna

D: distal anterior surface of radius

A: radio-ulnar jont pronation

NS: anterior interosseous nerve

Question 10

Cubitl fossa borders

Answer 10

superior
- line between the lateral and medial epicondyles
lateral
- brachoradialis
medial
- pronator teres
roof
- bicipital aponeurosis

Question 11

cubital fossa contents

Answer 11

median nerve
radial nerve
brachial artery (ulnar and radial artery)
tendon of bicep

Question 12

median nerve cutaneous distribution

Answer 12

digits 3-5 and corresponding palmar surface of hand

Question 13

Ulnar nerve cutaneous distribution

Answer 13

digits 1-2 and corresponding dorsal and palmar surface of hand