Anterior Forearm Muscles

Question 1

Pronator teres

Answer 1

O: CFO: medial epicondyle of humerus and coronoid process of ulna

I: Radius

A: Pronates forearm

N: Median nerve

Question 2

Palmaris longus

Answer 2

O: CFO: medial epicondyle of humerus

I: Palmar aponeurosis

A: Tense the palmar fascia

Flex the wrist

N: Median nerve

Question 3

Flexor carpi radialis

Answer 3

O: CFO: medial epicondyle of humerus

I: Bases of 2nd and 3rd MC

A: Flexes and radially deviates wrist

N: Median nerve

Question 4

Flexor carpi ulnaris

Answer 4

O: CFO: medial epicondyle of humerus

I: MC 5 and Pisiform

A: Flexes and ulnar deviates wrist

N: Ulnar nerve

Question 5

Flexor digitorum superficialis

Answer 5

O: CFO: medial epicondyle of humerus, radius and ulna

I: Sides of middle phalanges of 2-5 fingers on palmar surface

A: Flexes the 2-5 fingers, flex the wrist

N: Median

Question 6

Flexor digitorum profundus

Answer 6

O: Anterior and medial surfaces of proximal three-quarters of ulna

I: Distal phalanges on palmar surface

A: Flex the 2-5 fingers; assist in flexing the wrist

N: Median nerve to radial half

Ulnar nerve to ulna half

Question 7

Flexor pollicis longus

Answer 7

O: Mid anterior surface of the radius and the adjacent interosseous membrane

I: Distal phalanx of thumb on palmar surface

A: Flexion and radial abduction of the hand, opposition of thumb and pinkie, flexion of metacarpophalangeal and interphalangeal joints of the thumb

N: Median nerve

Question 8

Pronator quadratus

Answer 8

O: Medial, anterior surface of distal ulna

I: Lateral, anterior surface of distal radius

A: Pronates forearm

N: Median nerve