Deep Flexor-Pronator Forearm Muscles

Question 1

Flexor Digitorum Profundus origin and insertion

Answer 1

Origin- anterior and medial surfaces of proximal ulna

Insertion- bases of distal phalanges, palmar surface of fingers 2-5

Question 2

Flexor Digitorum Profundus action

Answer 2

Flex the second through fifth fingers; assist to flex the wrist

Question 3

Flexor Pollicis Longus origin and insertion

Answer 3

Origin- anterior surface of radius and interosseous membrane

Insertion- base of distal phalanx of thumb

Question 4

Flexor Pollicis Longus action

Answer 4

Flex the thumb; assist to flex the wrist

Question 5

Pronator Quadratus origin and insertion

Answer 5

Origin- medial, anterior surface of distal ulna

Insertion- lateral, anterior surface of distal radius

Question 6

Pronator Quadratus action

Answer 6

Pronate the forearm