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Anatomy > Forearm > Flashcards

Forearm Flashcards

1
Q

origin or pronator teres

A

medial epicondyle of humerus and coronoid process of the ulna

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2
Q

insertion of pronator teres

A

lateral surface of the radius

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3
Q

action of pronator teres

A

pronate the forearm, assist to flex the elbow

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4
Q

innervation of pronator teres

A

median nerve C6 - 7

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5
Q

origin of flexor carpi radialis

A

medial epicondyle of the humerus

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6
Q

insertion of flexor carpi radialis

A

bases of 2nd and 3rd metacarpal

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7
Q

action of flexor carpi radialis

A

flex and abduct the wrist

may assist to flex the elbow

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8
Q

innervation of flexor carpi radialis

A

median nerve C6 - C8

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9
Q

origin of palmaris longus

A

medial epicondyle of humerus

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10
Q

insertion of palmaris longus

A

flexor retinaculum and palmar aponeurosis

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11
Q

action of palmaris longus

A

tense the palmar fascia
flex the wrist
may assist to flex the elbow

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12
Q

innervation of palmaris longus

A

median nerve C6 - T1

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13
Q

origin of flexor carpi ulnaris

A

humeral head - medial epicondyle of humerus

ulnar head - posterior surface of proximal ulna (olecranon process)

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14
Q

insertion of flexor carpi ulnaris

A

pisiform, hook of hamate, base of 5th metacarpal

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15
Q

action of flexor carpi ulnaris

A

flex and adduct the wrist, assist to flex the elbow

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16
Q

innervation of flexor carpi ulnaris

A

ulnar nerve C7 - T1

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17
Q

origin of flexor digitorum superficialis

A 
medial epicondyle of humerus
ulnar collateral ligament 
coronoid process of ulna
interosseous membrane
proximal shaft of radius
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18
Q

insertion of flexor digitorum superficialis

A

sides of middle phalanges of fingers 2 - 5

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19
Q

action of flexor digitorum superficialis

A

flex the 2nd through 5th fingers, flex the wrist

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20
Q

innervation of flexor digitorum superficialis

A

media nerve C7 - T1

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21
Q

origin of flexor digitorum profundus

A

anterior and medial surfaces of proximal ulna

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22
Q

insertion of flexor digitorum profundus

A

bases of distal phalanges, palmar surface of fingers 2 - 5

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23
Q

action of flexor digitorum profundus

A

flex the 2nd through 5th fingers

assist to flex the wrist

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24
Q

innervation of flexor digitorum profundus

A

1st and 2nd - median nerve C7 - T1

3rd and 4th - ulnar nerve C7 - T1

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25
Q

origin of flexor pollicis longus

A

anterior surface of radius and interosseous membrane

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26
Q

insertion of flexor pollicis longus

A

base of distal phalanx of thumb

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27
Q

action of flexor pollicis longus

A

flex the thumb, assist to flex the wrist

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28
Q

innervation of flexor pollicis longus

A

median nerve C6 - T1

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29
Q

origin of pronator quadratus

A

medial, anterior surface of distal ulna

30
Q

insertion of pronator quadratus

A

lateral, anterior surface of distal radius

31
Q

action of pronator quadratus

A

pronate the forearm

32
Q

innervation of pronator quadratus

A

median nerve C7 - T1

33
Q

origin of brachioradialis

A

proximal lateral supracondylar ridge of humerus

34
Q

insertion of brachioradialis

A

styloid process of radius

35
Q

action of brachioradialis

A

flex the elbow

assist to pronate and supinate the forearm when these movements are resisted

36
Q

innervation of brachioradialis

A

radial nerve C5 - C6

37
Q

origin of extensor carpi radialis longus

A

distal lateral supracondylar ridge of humerus

38
Q

insertion of extensor carpi radialis longus

A

base of 2nd metacarpal

39
Q

action of extensor carpi radialis longus

A

extend and abduct the wrist, assist to flex the elbow

40
Q

innervation of extensor carpi radialis longus

A

radial nerve C5 - C8

41
Q

origin of extensor carpi radialis brevis

A

lateral epicondyle of humerus

42
Q

insertion of extensor carpi radialis brevis

A

base of 3rd metacarpal

43
Q

action of extensor carpi radialis brevis

A

extend and abduct the wrist

assist to flex the elbow

44
Q

innervation of extensor carpi radialis brevis

A

radial nerve C6 - C8

45
Q

origin of extensor digitorum

A

lateral epicondyle of humerus

46
Q

insertion of extensor digitorum

A

bases of middle and distal phalanges of fingers 2 - 5

47
Q

action of extensor digitorum

A

extend the 2nd through 5th fingers, assist to extend the wrist

48
Q

innervation of extensor digitorum

A

radial nerve C6 - C8

49
Q

origin of extensor carpi ulnaris

A

lateral epicondyle of humerus

50
Q

insertion of extensor carpi ulnaris

A

base of 5th metacarpal

51
Q

action of extensor carpi ulnaris

A

extend and adduct the wrist

52
Q

innervation of extensor carpi ulnaris

A

radial nerve C6 - C8

53
Q

origin of supinator

A

lateral epicondyle of humerus
radial collateral ligament
annular ligament and supinator crest of the ulna

54
Q

insertion of supinator

A

anterior, lateral surface of radial shaft

55
Q

action of supinator

A

supinate the forearm

56
Q

innervation of supinator

A

radial nerve C5 - C7

57
Q

origin of abductor pollicis longus

A

posterior surface of radius and ulna

interosseous membrane

58
Q

insertion of abductor pollicis longus

A

base of 1st metacarpal

59
Q

action of abductor pollicis longus

A

abduct and extend the thumb

abduct the wrist

60
Q

innervation of abductor pollicis longus

A

radial nerve C6 - C8

61
Q

origin of extensor pollicis brevis

A

posterior surface of radius and interosseous membrane

62
Q

Insertion of extensor pollicis brevis

A

base of proximal phalanx of thumb

63
Q

action of extensor pollicis brevis

A

extend the thumb, abduct the wrist

64
Q

innervation of extensor pollicis brevis

A

radial nerve C6 - C8

65
Q

origin of extensor pollicis longus

A

posterior surface of ulna and interosseous membrane

66
Q

insertion of extensor pollicis longus

A

base of distal phalanx of thumb

67
Q

action of extensor pollicis longus

A

extend the thumb, abduct the wrist

68
Q

innervation of extensor pollicis longus

A

radial nerve C6 - C8

69
Q

origin of extensor indicis

A

posterior surface of ulna and interosseous membrane

70
Q

insertion of extensor indicis

A

tendon of the extensor digitorum at the level of the 2nd metacarpal

71
Q

action of extensor indicis

A

extend and adduct the 2nd finger

may assist to extend the wrist

72
Q

innervation of extensor indicis

A

radial nerve C6 - C8

Anatomy (11 decks)

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