Flexor Muscles of Forearm

Question 1

Palmaris Longus Origin

Answer 1

medial epicondyle of humerus

Question 2

palmaris longus insertion

Answer 2

palmar aponeurosis of metacarpals 2-5

Question 3

palmaris longus action

Answer 3

wrist flexion

weak elbow flexion

Question 4

palmaris longus innervation

Answer 4

median nerve (C6, C7)

Question 5

Flexor Carpi Ulnaris origin

Answer 5

medial epicondyle of humerus, olecranon process of ulna

Question 6

Flexor Carpi Ulnaris Insertion

Answer 6

pisiform
hook of hamate
5th metacarpal

Question 7

Flexor Carpi Ulnaris Action

Answer 7

Flexion and adduction of wrist,

Question 8

Flexor Carpi Ulnaris Innervation

Answer 8

Ulnar Nerve (C8, T1)

Question 9

flexor digitorum superficialis origin

Answer 9

medial epicondyle of humerus
coronoid process of ulna
upper 2/3 of anterior border of radius just distal to radial tuberosity

Question 10

flexor digitorum superficialis insertion

Answer 10

sides of middle phalanx of fingers 2-5 (palmar surface)

Question 11

Flexor Digitorum superficialis action

Answer 11

finger, wrist, and weak elbow flexion

Question 12

Flexor digitorum superficialis innervation

Answer 12

median nerve (C7-T1)

Question 13

flexor digitorum profundus origin

Answer 13

proximal 3/4 of anterior medial ulna and interosseus membrane

Question 14

flexor digitorum profundus insertion

Answer 14

base of distal phalanx of fingers 2-5 (index, middle, ring, pinky finger)

Question 15

flexor digitorum profundus action

Answer 15

flexion of fingers and wrist

Question 16

flexor digitorum profundus innervation

Answer 16

lateral half is innervated by median and

medial half is innervated ulnar nerves

Question 17

flexor pollicis longus origin

Answer 17

middle anterior surface of the radius and radial half interosseous membrane

Question 18

flexor pollicis longus insertion

Answer 18

palmar base of distal phalanx of thumb

Question 19

flexor pollicis longus action

Answer 19

thumb flexion, flexion abduction of wrist

Question 20

flexor pollicis longus innervation

Answer 20

median nerve (C8, T1)

Question 21

flexor carpi radialis origin

Answer 21

medial epicondyle of humerus

Question 22

flexor carpi radialis insertion

Answer 22

Palmar base of 2nd and 3rd metacarpal

Question 23

flexor carpi radialis action

Answer 23

flexion/abduction of wrist,

Question 24

flexor carpi radialis innervation

Answer 24

median nerve (C6, C7)

Question 25

pronator quadratus origin

Answer 25

anterior 4th of distal ulna

Question 26

pronator quadratus insertion

Answer 26

anterior 4th of distal radius

Question 27

pronator quadratus action

Answer 27

pronation

Question 28

pronator quadratus innervation

Answer 28

median nerve (C6, C7)

Question 29

origin of pronator teres

Answer 29

medial epicondyle of humerus near medial supra epicondylar ridge
medial side of coronoid process of ulna

Question 30

insertion of pronator teres

Answer 30

middle of lateral surface of radius

Question 31

innervation of pronator teres

Answer 31

median nerve

Question 32

origin of brachioradialis

Answer 32

lateral supracondylar ridge of humerus and orbicular ligament of radius

Question 33

insertion of brachioradialis

Answer 33

styloid process of radius

Question 34

action of brachioradialis

Answer 34

flexes forearm

Question 35

innervation of brachioradialis

Answer 35

radial nerve

Question 36

muscles where origin is in coronoid process of ulna

Answer 36

flexor pollicis longus
pronator teres
flexor digitorum superficialis