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Anatomy Lab > Forearm Muscles > Flashcards

Forearm Muscles Flashcards

1
Q

Pronator teres origin

A

Medial epicondyle of humerus, coronoid process of ulna

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2
Q

Pronator teres insertion

A

Lateral surface of midshaft of radius

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3
Q

Pronator teres action

A

Pronation of forearm (and hand)

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4
Q

Pronator teres innervation

A

Median nerve

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5
Q

Pronator teres blood supply

A

Anterior ulnar recurrent artery

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6
Q

Flexor carpi radialis origin

A

Common flexor tendon

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7
Q

Flexor carpi radialis insertion

A

Base of second metacarpal

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8
Q

Flexor carpi radialis action

A

Flexion and radial deviation of hand

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9
Q

Flexor carpi radialis blood supply

A

Radial artery

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10
Q

Palmaris Longus origin

A

Common flexor tendon

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11
Q

Palmaris Longus insertion

A

Palmar aponeurosis

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12
Q

Palmaris Longus action

A

Flexion of hand

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13
Q

Palmaris Longus innervation

A

Median nerve

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14
Q

Palmaris Longus blood supply

A

Posterior ulnar recurrent artery

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15
Q

Flexor carpi ulnaris origin

A

Common flexor tendon

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16
Q

Flexor carpi ulnaris insertion

A

Pisiform bone

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17
Q

Flexor carpi ulnaris action

A

Flexion and adduction ulnar deviation of hand

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18
Q

Flexor carpi ulnaris innervation

A

Ulnar nerve

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19
Q

Flexor carpi ulnaris blood supply

A

Posterior ulnar recurrent artery

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20
Q

Flexor digitorum superficialis origin

A

Medial epicondyle of humerus (common flexor tendon); medial aspect of coronoid process of ulna, proximal half of radius distal to radial tuberosity

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21
Q

Flexor digitorum superficialis insertion

A

Base of middle phalanx of each four fingers

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22
Q

Flexor digitorum superficialis action

A

Flexion of middle phalanx of each four fingers; with continues action flexion of each proximal (aids in hand flexion)

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23
Q

Flexor digitorum superficialis innervation

A

Median nerve

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24
Q

Flexor digitorum superficialis blood supply

A

Ulnar and radial arteries

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25
Q

Flexor digitorum profundus origin

A

Anterior and medial surfaces of proximal 2/3 ulna; interosseous membrane

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26
Q

Flexor digitorum profundus insertion

A

Distal phalanx of middle 4 fingers

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27
Q

Flexor digitorum profundus action

A

Flexion of distal phalanx of each four fingers; with continued action flexion of middle and proximal phalanges (aids in hand flexion)

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28
Q

Flexor digitorum profundus innervation

A

Median and ulnar nerve

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29
Q

Flexor digitorum profundus blood supply

A

Anterior interosseous and ulnar arteries

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30
Q

Flexor pollicis Longus origin

A

Anterior surface of middle half of radius; interosseous membrane

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31
Q

Flexor pollicis Longus insertion

A

Distal phalanx of thumb

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32
Q

Flexor pollicis Longus action

A

Flexion of distal phalanx of thumb

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33
Q

Flexor pollicis Longus blood supply

A

Anterior interosseous artery

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34
Q

Flexor pollicis Longus innervation

A

Median nerve

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35
Q

Pronator Quadratus origin

A

Distal quarter of ulna

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36
Q

Pronator Quadratus insertion

A

Distal part of radius

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37
Q

Pronator Quadratus action

A

Pronation of forearm (and hand)

38
Q

Pronator Quadratus innervation

A

Median nerve

39
Q

Pronator Quadratus blood supply

A

Anterior interosseous artery

40
Q

Extensor carpi radialis Longus origin

A

Lateral supracondylar ridge and epicondyle of humerus (common extensor tendon)

41
Q

Extensor carpi radialis Longus insertion

A

Base 2nd metacarpal (dorsal surface)

42
Q

Extensor carpi radialis Longus action

A

Extension and radial deviation of hand

43
Q

Extensor carpi radialis Longus innervation

A

Radial nerve

44
Q

Extensor carpi radialis Longus blood supply

A

Radial and radial recurrent arteries

45
Q

Extensor carpi radialis brevis origin

A

Common extensor tendon

46
Q

Extensor carpi radialis brevis insertion

A

Base of third metacarpal (dorsal side)

47
Q

Extensor carpi radialis brevis action

A

Extension and radial deviation of hand

48
Q

Extensor carpi radialis brevis innervation

A

Radial nerve

49
Q

Extensor carpi radialis brevis blood supply

A

Radial and radial recurrent arteries

50
Q

Flexor carpi radialis innervation

A

Median nerve

51
Q

Extensor digitorum origin

A

Common extensor tendon

52
Q

Extensor digitorum insertion

A

Middle and distal phalanges of each four fingers (medial 4)

53
Q

Extensor digitorum action

A

Extension of each of the four fingers

54
Q

Extensor digitorum innervation

A

Radial nerve

55
Q

Extensor digitorum blood supply

A

Posterior interosseous artery

56
Q

Extensor digiti minimi origin

A

Common extensor tendon

57
Q

Extensor digiti minimi insertion

A

Middle and distal phalanges of little finger

58
Q

Extensor digiti minimi action

A

Extension of pinky

59
Q

Extensor digiti minimi innervation

A

Radial nerve

60
Q

Extensor digiti minimi blood supply

A

Posterior interosseous artery

61
Q

Extensor carpi ulnaris orgin

A

Common extensor tendon

62
Q

Extensor carpi ulnaris insertion

A

Base of 5th metacarpal (dorsal surface)

63
Q

Extensor carpi ulnaris action

A

Extension and ulnar deviation of wrist

64
Q

Extensor carpi ulnaris innervation

A

Radial nerve

65
Q

Extensor carpi ulnaris blood supply

A

Posterior interosseous artery

66
Q

Supinator origin

A

Postolateral surface of ulna below radial notch; lateral epicondyle; radial collateral and annular ligaments

67
Q

Supinator insertion

A

Lateral and adjacent posterior and anterior aspects of proximal shaft of radius

68
Q

Supinator action

A

Supination of forearm (and hand)

69
Q

Supinator innervation

A

Radial nerve

70
Q

Supinator blood supply

A

Radial recurrent and posterior interosseous arteries

71
Q

Abductor pollicis Longus origin

A

Posterior surface of ulna and radius; interosseous membrane

72
Q

Abductor pollicis Longus insertion

A

Base of first metacarpal

73
Q

Abductor pollicis Longus action

A

Abduction and extension of thumb; abduction and flexion of hand at wrist

74
Q

Abductor pollicis Longus innervation

A

Radial nerve

75
Q

Abductor pollicis Longus blood supply

A

Posterior interosseous artery

76
Q

Extensor pollicis Longus origin

A

Posterior surface of middle third of ulna; interosseous membrane

77
Q

Extensor pollicis Longus insertion

A

Distal phalanx of thumb

78
Q

Extensor pollicis Longus action

A

Extension of proximal and distal phalanges of thumb; extension and adduction of metacarpal of thumb

79
Q

Extensor pollicis Longus innervation

A

Radial nerve

80
Q

Extensor pollicis Longus blood supply

A

Posterior interosseous artery

81
Q

Extensor pollicis brevis origin

A

Posterior surface of radius and interosseous membrane

82
Q

Extensor pollicis brevis insertion

A

Proximal phalanx of thumb

83
Q

Extensor pollicis brevis action

A

Extension of proximal phalanx and metacarpal of thumb; abduction of hand at wrist

84
Q

Extensor pollicis brevis innervation

A

Radial nerve

85
Q

Extensor pollicis brevis blood supply

A

Posterior interosseous artery

86
Q

Extensor indicis origin

A

Posterior surface of ulna; interosseous membrane

87
Q

Extensor indicis insertion

A

Extensor expansion of index finger

88
Q

Extensor indicis action

A

Extension and adduction of index finger

89
Q

Extensor indicis innervation

A

Radial nerve

90
Q

Extensor indicis blood supply

A

Posterior interosseous artery

Anatomy Lab (13 decks)

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