Forearm Flashcards Preview

Gross Anatomy > Forearm > Flashcards

Flashcards in Forearm Deck (32):
0

Origin of pronator teres

Ulnar head: coronoid process
Humeral head: medial epicondyle

1

Insertion of pronator teres

Middle of convexity of lateral surface of radius

2

Innervated by median nerve C6, C7

Pronator teres
Flexor Carpi Radialis

3

Action of pronator teres

Pronates and flexes forearm

4

Origin of flexor Carpi Radialis

Medial epicondyle of humerus

5

Insertion of flexor Carpi Radialis

Base of 2nd metacarpal

6

Innervation of flexor Carpi Radialis

Median nerve C6, C7

7

Action of flexor Carpi Radialis

Flexes and abducts hand at wrist

8

Origin of palmaris longus

Medial epicondyle of humerus

9

Insertion of palmaris longus

Distal half of flexor retinaculum

10

Action of palmaris longus

Flexes hand
Tenses palmar aponeurosis

11

Origin of flexor Carpi ulnaris

Olecranon

12

Innervation of flexor Carpi ulnaris

Ulnar nerve C7, C8

13

Main action of flexor Carpi ulnaris

Flexes and adducts hand

14

Insertion of flexor Carpi ulnaris

Pisiform
Hook of hamate
5th metacarpal

15

Origin of flexor digitorum superficialis

Humero-ulnar head: medial epicondyle of humerus and coronoid process of ulna
Radial head: oblique line of radius

16

Insertion of flexor digitorum superficialis

Shafts of middle phalanges of medial 4 digits

17

Innervation of flexor digitorum superficialis

Median nerve C7, C8, T1

18

Actions of flexor digitorum superficialis

Flexes proximal interphalangeal joint of middle 4 digits
Acting more strongly: flexes proximal phalanges at metacarpophalangeal joints

19

Origin of flexor digitorum profundus

Proximal 3/4 of anterior and medial surfaces of ulna
Interosseous membrane

20

Insertion of flexor digitorum profundus

Base of distal phalanges of digits 2,3,4,5

21

Innervation of flexor digitorum profundus

Digits 2&3: median nerve C8, T1
Digits 4&5: ulnar nerve C8, T1

22

Actions of flexor digitorum profundus

Flexes distal interphalangeal joints of digits 2,3,4,5
Assist in wrist flexion

23

Origin of flexor pollicis longus

Anterior surface of radius
Adjacent interosseous membran

24

Insertion of flexor pollicis longus

Base of distal phalanx of thumb

25

Action of flexor pollicis longus

Flexes phalanges of thumb

26

Origin of pronator quadratus

Distal quarter of anterior surface of ulna

27

Insertion of pronator quadratus

Distal quarter of anterior surface of radius

28

Muscles that attach to lateral epicondyle of humerus

Extensor digitorum
Extensor digit minimi
Extensor Carpi Radialis brevis
Extensor Carpi ulnaris
Supinator

29

Roof of Guyon's canal

Volar Carpi ligament

30

Innervation of pronator quadratus

Median nerve C8, T1

31

Innervation of palmaris longus

Median nerve C7,C8