Forearm Muscles Flashcards Preview

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Flashcards in Forearm Muscles Deck (83)
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1

pronator teres
-origin

medial epicondyle of humerus
coronoid process of ulna

2

pronator teres
-insertion

middle of lateral surface of radius

3

pronator teres
-actions

forearm pronation
forearm flexion

4

pronator teres
-innervation

median nerve (C6, C7)

5

flexor carpi radialis
-origin

medial epicondyle of humerus

6

flexor carpi radialis
-insertion

base of 2nd metacarpal

7

flexor carpi radialis
-actions

flexes hand
abducts hand

8

flexor carpi radialis
-innervation

median nerve (C6, C7)

9

palmaris longus
-origin

medial epicondyle of humerus

10

palmaris longus
-insertion

distal 1/2 of flexor retinaculum and palmar aponeurosis

11

palmaris longus
-actions

flexes hand
tightens palmar aponeurosis

12

palmaris longus
-innervation

median nerve (C7, C8)

13

flexor carpi ulnaris
-origin

humeral head
-medial epicondyle of humerus
ulnar head
-olecranon and posterior border of ulna

14

flexor carpi ulnaris
-insertion

pisiform
hook of hamate
5th metacarpal

15

flexor carpi ulnaris
-actions

flexes hand
adducts hand
(flexion of hand requires both flexor carpi radialis and flexor carpi ulnaris

16

flexor carpi ulnaris
-innervation

ulnar nerve (C7, C8)

17

flexor digitorum superficialis
-origin

humeroulnar head
-medial epicondyle
-ulnar collateral ligament
-coronoid process
radial head
-superior 1/2 of anterior border of radius

18

flexor digitorum superficialis
-insertion

bodies of middle phalanges of medial four digits

19

flexor digitorum superficialis
-actions

flexes middle phalanges of medial 4 digits
stronger action flexes proximal phalanges and hand

20

flexor digitorum superficialis
-innervation

median nerve (C7-T1)

21

muscles of the superficial and intermediate layers of anterior surface of the forearm

pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris
flexor digitorum superficialis

22

muscles of the deep layer of the anterior surface of the forearm

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

23

flexor digitorum profundus
-origin

proximal 3/4 of medial and anterior surfaces of ulna
interosseus membrane

24

flexor digitorum profundus
-insertion

bases of distal phalanges of medial 4 digits

25

flexor digitorum profundus
-action

flexes distal phalanges of medial 4 digits

26

flexor digitorum profundus
-innervation

medial part
-ulnar nerve (C8, T1)
lateral part
-median nerve (C8, T1)

27

flexor pollicis longus
-origin

anterior surface of radius
adjacent interosseus membrane

28

flexor pollicis longus
-insertion

base of distal phalanx of thumb

29

flexor pollicis longus
-action

flexes phalanges of 1st digit

30

flexor pollicis longus
-innervation

anterior interosseus nerve (from median nerve; C8, T1)