Muscles of the Anterior Fascial Compartment of the Forearm : OINA

Question 1

Pronator teres humeral head: Origin

Answer 1

Medial epicondyle of humerus

Question 2

Pronator teres ulnar head: Origin

Answer 2

Medial border of coronoid process of ulna

Question 3

Flexor carpi radialis: Origin

Answer 3

Medial epicondyle of humerus

Question 4

Palmaris longus: Origin

Answer 4

Medial epicondyle of humerus

Question 5

Flexor carpi ulnaris humeral head: Origin

Answer 5

Medial epicondyle of humerus

Question 6

Flexor carpi ulnaris ulnar head: Origin

Answer 6

Medial aspect of olecranon process and posterior border of ulna

Question 7

Flexor Digitorum Superficialis humeroulnar head: Origin

Answer 7

Medial epicondyle of humerus; medial border of coronoid process of ulna

Question 8

Flexor Digitorum Superficialis radial head: Origin

Answer 8

Oblique line on anterior surface of shaft of radius

Question 9

Flexor pollicis longus: Origin

Answer 9

Anterior surface of shaft of radius

Question 10

Flexor digitorum profundus: Origin

Answer 10

Anteromedial surface of shaft of ulna

Question 11

Pronator quadratus: Origin

Answer 11

Anterior surface of shaft of ulna

Question 12

Pronator teres: Insertion

Answer 12

Lateral aspect of shaft of radius

Question 13

Pronator teres: Innervation

Answer 13

Median nerve; C6-7

Question 14

Pronator teres: Action

Answer 14

Pronation and flexion of forearm

Question 15

Flexor carpi radialis: Insertion

Answer 15

Bases of 2nd and 3rd metacarpal bones

Question 16

Flexor carpi radialis: Innervation

Answer 16

Median nerve; C6-7

Question 17

Flexor carpi radialis: Action

Answer 17

Flexes and abducts hand at wrist joint

Question 18

Palmaris longus: Insertion

Answer 18

Flexor retinaculum and palmar aponeurosis

Question 19

Palmaris longus: Innervation

Answer 19

Median nerve; C7-8

Question 20

Palmaris longus: Action

Answer 20

Flexes hand

Question 21

Flexor carpi ulnaris: Insertion

Answer 21

Pisiform bone, hook of the hamate, base at 5th metacarpal bone

Question 22

Flexor carpi ulnaris: Innervation

Answer 22

Ulnar nerve; C8, T1

Question 23

Flexor carpi ulnaris: Action

Answer 23

Flexes and adducts hand at wrist joint

Question 24

Flexor Digitorum Superficialis: Insertion

Answer 24

Middle phalanx of medial four fingers

Question 25

Flexor Digitorum Superficialis:

Innervation

Answer 25

Median nerve, C7-8, T1

Question 26

Flexor Digitorum Superficialis: Action

Answer 26

Flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand

Question 27

Flexor pollicis longus: Insertion

Answer 27

Distal phalanx of thumb

Question 28

Flexor pollicis longus: Innervation

Answer 28

Anterior interosseous branch of median nerve; C8, T1

Question 29

Flexor pollicis longus: Action

Answer 29

Flexes distal phalanx of thumb

Question 30

Flexor digitorum profundus: Insertion

Answer 30

Distal phalanges of medial four fingers

Question 31

Flexor digitorum profundus: Innervation

Answer 31

Ulnar (medial half) and median (lateral half) nerves; C8, T1

Question 32

Flexor digitorum profundus: Action

Answer 32

Flexes distal phalanx of fingers; then assists in flexion of middle and proximal phalanges and wrist

Question 33

Pronator quadratus: Insertion

Answer 33

Anterior surface of shaft of radius

Question 34

Pronator quadratus: Innervation

Answer 34

Anterior interosseous branch of median nerve; C8, T1

Question 35

Pronator quadratus: Action

Answer 35

Pronates forearm