HAE Quiz 3: Muscles of Anterior Forearm

Question 1

Pronator Teres

Answer 1

O: medial epicondyle of humerus
I: radius, mid-shaft
N: median nerve
F: pronates forearm

Question 2

Flexor carpi radialis

Answer 2

O: medial epicondyle of humerus
I: metacarpal
N: median nerve
F: flexes and abducts hand

Question 3

Palmaris longus

Answer 3

O: medial epicondyle of humerus
I: palmar aponeurosis
N: median nerve
F: flexes hand

Question 4

Flexor carpi ulnaris

Answer 4

O: medial epicondyle of humerus, ulna
I: pisiform, hamate, 5th metacarpal
N: ulnar nerve
F: flexes and adducts hand

Question 5

Flexor digitorum superficialis

Answer 5

O: medial epicondyle of humerus, radius
I: digits 2-5, middle phalanges
N: median nerve
F: flexes hand and MP/PIP joints of digits 2-5

Question 6

Flexor pollicis longus

Answer 6

O: radius, interosseious membrane
I: distal phalanx of thumb
N: anterior interosseous branch of median nerve
F: flexes MP/IP joints of thumb

Question 7

Flexor digitorum profundus

Answer 7

O: ulna, interosseous membrane
I: digits 2-5, distal phalanges
N: 1/2 median nerve, 1/2 ulnar nerve
F: flexes hand and MP/DIP joints of digits 2-5

Question 8

Pronator quadratus

Answer 8

O: ulna, distal shaft
I: radius, distal shaft
N: anterior interosseous nerve (branch of median nerve)
F: pronates forearm