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Muscle Origin, Insertion, Attachment > Upper Body-Forearm and Hand > Flashcards

Upper Body-Forearm and Hand Flashcards

1
Q

Elbow Flexors

A

Biceps Brachii, Brachialis, Brachioradialis, Flexor carpi radialis, Flexor carpi ulnaris, Palmaris longus, Pronator teres, Extensor carpi radialis longus, Extensor carpi radialis brevis

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2
Q

Elbow Extensors

A

Triceps brachii (all heads), Anconeus

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3
Q

Forearm Supinators

A

Biceps Brachii, Supinator, Brachioradialis

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4
Q

Forearm pronators

A

Pronator teres, Pronator quadratus, brachioradialis

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5
Q

Wrist Extensors

A

Extensor carpi radialis longus and brevis, extensor carpi ulnaris, extensor digitorum, extensor indicis

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6
Q

Wrist Flexors

A

Flexor carpi radialis, Flexor carpi ulnaris, Palmaris longus, Flexor digitorum superficialis, Flexor digitorum profundus, Flexor pollicis longus

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7
Q

Wrist Abduction (radial deviation)

A

Extensor carpi radialis longus, Extensor carpi radialis brevis, extensor pollicis longus, extensor pollicis brevis, flexor carpi radialis, abductor pollicis longus

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8
Q

Wrist Adduction (ulnar deviation)

A

Extensor carpi ulnaris, Flexor carpi ulnaris

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9
Q

Extension of 2nd-5th fingers

A

Extensor digitorum, Lumbricals, Dorsal interossei, Palmar interossei, extensor indicis

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10
Q

Flexion of 2nd-5th fingers

A

Flexor digitorum superficialis, Flexor digitorum profundus, Flexor digiti minimi brevis, Lumbricals, Dorsal interossei, Palmar interossei

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11
Q

Thumb flexion

A

Flexor pollicis longus, flexor pollicis brevis, adductor pollicis, palmar interossei

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12
Q

Thumb Opposition

A

Opponens pollicis, Flexor pollicis brevis, Abductor pollicis brevis

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13
Q

Thumb Extension

A

Extensor pollicis longus, Extensor pollicis brevis, Abductor pollicis longus, palmar interossei

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14
Q

Brachialis Origin

A

Distal half of anterior surface of humerus

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15
Q

Brachialis Insertion

A

Tuberosity and coronoid process of ulna

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16
Q

Brachialis Actions

A

Flex the elbow

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17
Q

Brachioradialis Origin

A

Proximal 2/3 of the lateral supracondylar ridge of humerus

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18
Q

Brachioradialis Insertion

A

Styloid Process of radius

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19
Q

Brachioradialis Actions

A

Flex elbow, assist pronation and supination of forearm when they are resisted

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20
Q

Extensor Carpi Radialis Longus Origin

A

Distal 1/3 of the lateral supracondylar ridge of the humerus

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21
Q

Extensor Carpi Radialis Longus Insertion

A

Base of second metacarpal

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22
Q

Extensor Carpi Radialis Brevis Origin

A

Common extensor tendon from the lateral epicondyle of the humerus

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23
Q

Extensor Carpi Radialis Brevis Insertion

A

Base of 3rd metacarpal

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24
Q

Extensor Carpi Radialis Longus and Brevis Actions

A

Extend, Abduct the wrist; Flex the elbow

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25
Q

Extensor Carpi Ulnaris Origin

A

Common extensor tendon from the lateral epicondyle of the humerus

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26
Q

Extensor Carpi Ulnaris Insertion

A

Base of 5th metacarpal

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27
Q

Extensor Carpi Ulnaris Actions

A

Extend, Adduct wrist

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28
Q

Extensor Digitorum Origin

A

Common extensor tendon from the lateral epicondyle of the humerus

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29
Q

Extensor Digitorum Insertion

A

Bases of the middle and distal phalanges of 2nd-5th fingers

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30
Q

Extensor Digitorum Actions

A

Extend 2nd-5th fingers, Extends wrist

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31
Q

Anconeus Origin

A

Lateral Epicondyle of humerus

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32
Q

Anconeus Insertion

A

Olecranon process and posterior, proximal surface of ulna

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33
Q

Anconeus Action

A

Extend Elbow

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34
Q

Extensor Indicis Origin

A

Posterior surface of distal shaft of ulna and interosseous membrane

35
Q

Extensor Indicis Insertion

A

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

36
Q

Extensor Indicis Action

A

Extend 2nd finger, Adduct 2nd finger, Assist wrist extension

37
Q

Flexor Carpi Radialis Origin

A

Common flexor tendon from medial epicondyle of humerus

38
Q

Flexor Carpi Radialis Insertion

A

Bases of 2nd and 3rd metacarpals

39
Q

Flexor Carpi Radialis Actions

A

Flex, Abduct wrist; flex elbow

40
Q

Palmaris Longus Origin

A

Common flexor tendon from medial epicondyle of humerus

41
Q

Palmaris Longus Insertion

A

Flexor retinaculum and palmar aponeurosis

42
Q

Palmaris Longus Actions

A

Tense the palmar fascia, flex wrist, flex elbow

43
Q

Flexor Carpi Ulnaris Origin

A

Humeral Head: Common flexor tendon from medial epicondyle of humerus
Ulnar head: Posterior surface of proximal 2/3 of ulna

44
Q

Flexor Carpi Ulnaris Actions

A

Flex wrist, Adduct wrist, Flex elbow

45
Q

Flexor Digitorum Superficialis Origin

A

Common flexor tendon from medial epicondyle of humerus, Ulnar collateral ligament, coronoid process of ulna, interosseous membrane and proximal shaft of radius

46
Q

Flexor Digitorum Superficialis Insertion

A

Sides of middle phalanges of 2nd-5th fingers

47
Q

Flexor Digitorum Superficialis Action

A

Flex 2nd-5th fingers; assist wrist flexion

48
Q

Flexor Digitorum Profundus Origin

A

Anterior and medial surfaces of proximal 3/4 of ulna

49
Q

Flexor Digitorum Profundus Insertion

A

Bases of distal phalanges, palmar surface of 2nd-5th fingers

50
Q

Flexor Digitorum Profundus Action

A

Flex 2nd-5th fingers; assist wrist flexion

51
Q

Pronator Teres Origin

A

Common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna

52
Q

Pronator Teres Insertion

A

Middle of lateral surface of the radius

53
Q

Pronator Teres Action

A

Pronate forearm; Flex elbow

54
Q

Pronator Quadratus Origin

A

Medial, anterior surface of distal ulna

55
Q

Pronator Quadratus Insertion

A

Lateral, anterior surface of distal radius

56
Q

Pronator Quadratus Action

A

Pronate forearm

57
Q

Supinator Origin

A

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

58
Q

Supinator Insertion

A

Anterior, lateral surface of proximal 1/3 of radial shaft

59
Q

Supinator Action

A

Supinate the forearm

60
Q

Abductor Pollicis Longus Origin

A

Posterior surface of radius and ulna, interosseous membrane

61
Q

Abductor Pollicis Longus Insertion

A

Base of 1st metacarpal

62
Q

Abductor Pollicis Longus Action

A

Abduct, Extend thumb, Abduct wrist

63
Q

Extensor Pollicis Longus Origin

A

Posterior surface of ulna and interosseous membrane

64
Q

Extensor Pollicis Longus Insertion

A

Base of distal phalanx of thumb

65
Q

Extensor Pollicis Longus Action

A

Extend thumb (IP, MCP, CMC joints), Abduct wrist

66
Q

Extensor Pollicis Brevis Origin

A

Posterior surface of radius and interosseous membrane

67
Q

Extensor Pollicis Brevis Insertion

A

Base of proximal phalanx of thumb

68
Q

Extensor Pollicis Brevis Action

A

Extend thumb (IP, MCP, CMC joints), Abduct wrist

69
Q

Flexor Pollicis Longus Origin

A

Anterior surface of radius and interosseous membrane

70
Q

Flexor Pollicis Longus Insertion

A

Base of distal phalanx of thumb

71
Q

Flexor Pollicis Longus Action

A

Flex thumb (IP, MCP, CMC joints), Flex wrist

72
Q

Abductor Pollicis Brevis Origin

A

Flexor retinaculum, trapezium and scaphoid tubercles

73
Q

Abductor Pollicis Brevis Insertion

A

Base of proximal phalanx of thumb

74
Q

Abductor Pollicis Brevis Action

A

Abduct the thumb, assist opposition of the thumb

75
Q

Flexor Pollicis Brevis Origin

A

Superficial head: Flexor retinaculum

Deep head: Trapezium, trapezoid, and capitate

76
Q

Flexor Pollicis Brevis Insertion

A

Base of proximal phalanx of thumb

77
Q

Flexor Pollicis Brevis Action

A

Flex thumb; Opposition

78
Q

Opponens Pollicis Origin

A

Flexor retinaculum and tubercle of trapezium

79
Q

Opponens Pollicis Insertion

A

Entire length of 1st metacarpal bone, radial surface

80
Q

Opponens Pollicis Action

A

Opposition of thumb at the CMC joint

81
Q

Adductor Pollicis Origin

A

Capitate, 2nd and 3rd metacarpals

82
Q

Adductor Pollicis Insertion

A

Base of proximal phalanx of thumb

83
Q

Adductor Pollicis Action

A

Adduct thumb; assist flexion of thumb

Muscle Origin, Insertion, Attachment (6 decks)

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