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Flashcards in Forearm Deck (72):
1

pronator teres: Origin

humeral head: medial epicondyle of humerus (common flexor tendon)
ulnar head: coronoid process of the ulna

2

pronator teres: Insertion

radius

3

pronator teres: Nerve

median nerve

4

pronator teres: Action

pronation of forearm, flexes elbow

5

flexor carpi radialis: Origin

medial epicondyle of humerus (common flexor tendon)

6

flexor carpi radialis: Insertion

Bases of second and third metacarpal bones

7

flexor carpi radialis: Nerve

Median nerve

8

flexor carpi radialis: Action

Flexion and abduction at wrist

9

palmaris longus: Origin

medial epicondyle of humerus (common flexor tendon)

10

palmaris longus: Insertion

palmar aponeurosis

11

palmaris longus: Nerve

median nerve

12

palmaris longus: Action

wrist flexor

13

flexor carpi ulnaris: Origin

medial epicondyle of the humerus (common flexor tendon)

14

flexor carpi ulnaris: Insertion

pisiform

15

flexor carpi ulnaris: Nerve

muscular branches of ulnar nerve

16

flexor carpi ulnaris: Action

flexion and adduction of wrist

17

flexor digitorum superficialis: Origin

medial epicondyle of the humerus (common flexor tendon), as well as parts of the radius and ulna.

18

flexor digitorum superficialis: Insertion

phalanges

19

flexor digitorum superficialis: Nerve

median nerve

20

flexor digitorum superficialis: Action

flexor of fingers (primarily at proximal interphalangeal joints)

21

flexor policis longus: Origin

The middle 2/4 of the volar [disambiguation needed] surface of the radius and the adjacent interosseus membrane. (Also occasionally a small origin slightly on the medial epicondyle of the ulna.)

22

flexor policis longus: Insertion

The base of the distal phalanx of the thumb

23

flexor policis longus: Nerve

Anterior interosseous nerve (branch of median nerve) (C8, T1)

24

flexor policis longus: Action

Flexion of the thumb

25

flexor digitorum profundus: Origin

ulna

26

flexor digitorum profundus: Insertion

distal phalanges

27

flexor digitorum profundus: Nerve

median (anterior interosseous), muscular branches of ulnar

28

flexor digitorum profundus: Action

flex hand, interphalangeal joints

29

pronator quadratus: Origin

medial, anterior surface of the ulna

30

pronator quadratus: Insertion

lateral, anterior surface of the radius

31

pronator quadratus: Nerve

median nerve (anterior interosseous nerve)

32

pronator quadratus: Action

pronates the forearm

33

brachioradialis: Origin

Lateral supracondylar ridge of the humerus

34

brachioradialis: Insertion

Distal radius (Radial styloid process)

35

brachioradialis: Nerve

radial nerve

36

brachioradialis: Action

Flexion of forearm

37

extensor carpi radialis brevis: Origin

humerus at the anterior of lateral epicondyle (common extensor tendon)

38

extensor carpi radialis brevis: Insertion

base of the 3rd metacarpal

39

extensor carpi radialis brevis: Nerve

deep branch of the radial nerve

40

extensor carpi radialis brevis: Action

extensor and abductor of the hand at the wrist joint

41

extensor digitorum: Origin

lateral epicondyle (common extensor tendon)

42

extensor digitorum: Insertion

2nd-4th phalange

43

extensor digitorum: Nerve

posterior interosseous nerve (C7, C8)

44

extensor digitorum: Action

extension of hand and fingers

45

extensor digitorum minimi: Origin

the anterior portion of the lateral epicondyle of the humerus (common extensor tendon)

46

extensor digitorum minimi: Insertion

extensor expansion, located at the base of the proximal phalanx of the finger on the dorsal side

47

extensor digitorum minimi: Nerve

posterior interosseous nerve (C7, C8)

48

extensor digitorum minimi: Action

extends the little finger at all joints

49

extensor carpi ulnaris: Origin

Common extensor tendon (lateral epicondyle), ulna

50

extensor carpi ulnaris: Insertion

5th metacarpal

51

extensor carpi ulnaris: Nerve

posterior interosseous nerve (C7, C8)

52

extensor carpi ulnaris: Action

extends and adducts the wrist

53

anconeus: origin

Lateral epicondyle of the humerus

54

anconeus: Insertion

lateral surface of the olecranon process and the superior part of the posterior ulna

55

anconeus: Nerve

radial nerve (C7, C8, and T1)

56

anconeus: Action

partly blended in with the triceps, which it assists in extension of the forearm. Stabilises the elbow and abducts the ulna during pronation.

57

supinator: Origin

Lateral epicondyle of the humerus, supinator crest of ulna, radial collateral ligament, annular ligament

58

supinator: Insertion

Lateral proximal radial shaft

59

supinator: Nerve

deep branch of radial nerve (C7, C8)

60

supinator: Action

supinates forearm

61

abductor pollicis longus: Origin

ulna, radial styloid process

62

abductor pollicis longus: Insertion

first metacarpal

63

abductor pollicis longus: Nerve

posterior interosseous nerve (C7, C8)

64

abductor pollicis longus: Action

abduction, extension of thumb

65

extensor pollicis longus: Origin

ulna

66

extensor pollicis longus: Insertion

thumb, distal phalanx

67

extensor pollicis longus: Nerve

posterior interosseous nerve (C7, C8)

68

extensor pollicis longus: Action

extension of the thumb (metacarpophalangeal and interphalangeal)

69

extersor indicis: Origin

ulna

70

extersor indicis: Insertion

index finger (extensor hood)

71

extersor indicis: Nerve

posterior interosseous nerve (C7, C8)

72

extersor indicis: Action

extends index finger, wrist