Deep anterior forearm

Question 1

Origin of flexor pollicis longus

Answer 1

Anterior surface of radius and surrounding interosseous membrane

Question 2

Attachment of flexor pollicis longus

Answer 2

Base of distal phalanx of thumb

Question 3

action of flexor pollicis longus

Answer 3

Flexion at MCP and IP joints of thumb

Question 4

Innervation of flexor pollicis longus

Answer 4

Median nerve

Question 5

Origin of flexor digitorum profundus

Answer 5

Ulna and surrounding interosseous membrane

Question 6

Attachment of flexor digitorum profundus

Answer 6

Distal phalanges of 4 fingers

Question 7

Actions of flexor digitorum profundus

Answer 7

Flexion at DIP and MCP joints of 4 fingers

Flexion at wrist

Question 8

Innervation of flexor digitorum profundus

Answer 8

Medial half innervated by ulnar nerve

Lateral half innervated by median nerve

Question 9

Origin of pronator quadratus

Answer 9

Anterior surface of ulna

Question 10

Attachment of pronator quadratus

Answer 10

Anterior surface of radius

Question 11

Action of pronator quadratus

Answer 11

Pronation of forearm

Question 12

Innervation of pronator quadratus

Answer 12

Median nerve

Question 13

Muscles of the deep anterior forearm

Answer 13

Flexor pollicis longus,
Flexor digitorum profundus,
Pronator quadratus