Anterior Compartment Intermediate + Deep Forearm

Question 1

Flexor Digitorum Superficialis (origin)

Answer 1

Medial epicondyle of humerus (common flexor tendon); medial aspect of coronoid process of ulna; proximal half of radius distal to radial tuberosity

Question 1

Flexor Digitorum Superficialis (insertion)

Answer 1

Base of middle phalanx of 4 fingers (medial 4 digits)

Question 2

Flexor Digitorum Superficialis (action)

Answer 2

Flexion of middle phalanx of each 4 fingers; with continued action, flexion of each proximal; aids in flexion of hand

Question 3

Flexor Digitorum Superficialis (innervation)

Answer 3

Median nerve

Question 4

Flexor Digitorum Profundus (origin)

Answer 4

Anterior and medial surfaces of proximal 2/3 of ulna; interosseous membrane

Question 5

Flexor Digitorum Profundus (insertion)

Answer 5

Distal phalanx of each of 4 medial fingers

Question 6

Flexor Digitorum Profundus (action)

Answer 6

Flexion of distal phalanx of each of the 4 fingers; with continued action, flexion of the middle and proximal phalanges; aids in flexion of hand

Question 7

Flexor Digitorum Profundus (innervation)

Answer 7

Median and ulnar nerve

Question 8

Flexor pollicis longus (origin)

Answer 8

Anterior surface of middle half of radius; interosseous membrane

Question 9

Flexor pollicis longus (insertion)

Answer 9

Distal phalanx of thumb

Question 10

Flexor pollicis longus (action)

Answer 10

Flexion of distal phalanx of thumb

Question 11

Flexor pollicis longus (innervation)

Answer 11

Median Nerve

Question 12

Pronator quadratus (origin)

Answer 12

Distal 1/4 of anterior surface of ulna

Question 13

Pronator quadratus (insertion)

Answer 13

Distal part of radius

Question 14

Pronator quadratus (action)

Answer 14

Pronation of forearm (and hand)

Question 15

Pronator quadratus (innervation)

Answer 15

Median nerve