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Year 2 Quarter 3 Anatomy > Elbow, forearm and wrist MOI > Flashcards

Elbow, forearm and wrist MOI Flashcards

1
Q

Brachialis origin

A

Distal half of the anterior surface of the humerus

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2
Q

Brachialis insertion

A

Tuberosity and coronoid process of the ulna

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3
Q

Brachialis actions

A

Flex the elbow

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4
Q

Brachialis innervation

A

Musculocutaneous and a small branch of the radial nerve

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5
Q

Flexor carpi radialis origin

A

Common flexor tendor from the medial epicondyle of the humerus

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6
Q

Flexor carpi radialis insertion

A

Bases of the second and third metacarpals

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7
Q

Flexor carpi radialis actions

A

Flex and abduct the wrist.

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8
Q

Flexor carpi radialis innervation

A

Median

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9
Q

Palmaris longus origin

A

Common flexor tendon from the medial epicondyle of the humerus

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10
Q

Palmaris longus insertion

A

Flexor retinaculum and palmar aponeurosis

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11
Q

Palmaris longus actions

A

Tense the palmar fascia and flex the wrist

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12
Q

Palmaris longus innervation

A

Median

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13
Q

Flexor carpi ulnaris origin

A

Humeral head - common flexor tendon from the medial epicondyle of the humerus. Ulnar head - posterior surface of the proximal 2/3 of the ulna

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14
Q

Flexor carpi ulnaris insertion

A

Pisiform, hook of the hamate and the base of the fifth metacarpal

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15
Q

Flexor carpi ulnaris actions

A

Flex and adduct the wrist. Assist to flex the elbow.

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16
Q

Flexor carpi ulnaris innervation

A

Ulnar

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17
Q

Flexor digitorum superficialis origin

A

Common flexor tendon from the medial condyle of the humerus, ulnar collateral ligament, coronoid process of the ulna, interosseous membrane and the proximal shaft of the radius.

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18
Q

Flexor digitorum superficialis insertion

A

Sides of the middle phalanges of the second through fifth fingers.

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19
Q

Flexor digitorum superficialis actions

A

Flex the wrist and the second through fifth fingers.

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20
Q

Flexor digitorum superficialis innervation

A

Median

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21
Q

Flexor digitorum profundus origin

A

Anterior and medial surfaces of the proximal 3/4 of the ulna.

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22
Q

Flexor digitorum profundus insertion

A

Bases of the distal phalanges, the palmar surface of teh second through fifth fingers.

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23
Q

Flexor digitorum profundus actions

A

Flex the second through fifth fingers and assist to flex the wrist.

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24
Q

Flexor digitorum profundus innervation

A

Median nerve for the second and third fingers, ulnar nerve for the fourth and fifth fingers.

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25
Q

Brachioradialis origin

A

Proximal 2/3 of the lateral supracondylar ridge of the humerus

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26
Q

Brachioradialis insertion

A

Styloid process of the radius

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27
Q

Brachioradialis actions

A

Flex the elbow, the first 90 degrees of pronation and supination

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28
Q

Brachioradialis innervation

A

Radial nerve

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29
Q

Abductor pollicis longus origin

A

Posterior surface of the radius and ulna and the interosseous membrane

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30
Q

Abductor pollicis longus insertion

A

Base of the first metacarpal

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31
Q

Abductor pollicis longus actions

A

Abduct and extend the thumb. Abduct the wrist.

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32
Q

Abductor pollicis innervation

A

Radial nerve

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33
Q

Extensor pollicis longus origin

A

Posterior surface of the ulna and interosseous membrane

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34
Q

Extensor pollicis longus insertion

A

Base of the distal phalanx of the thumb.

35
Q

Extensor pollicis longus actions

A

Extend the thumb. Extend and abduct the wrist.

36
Q

Extensor pollicis longus innervation

A

Radial nerve

37
Q

Extensor pollicis brevis origin

A

Posterior surface of the radius and interosseous membrane

38
Q

Extensor pollicis brevis insertion

A

Base of the proximal phalanx of the thumb

39
Q

Extensor pollicis brevis actions

A

Extend the thumb and abduct the wrist.

40
Q

Extensor pollicis brevis innervation

A

Radial nerve

41
Q

Flexor pollicis longus origin

A

Anterior surface of the radius and interosseous membrane

42
Q

Flexor pollicis longus insertion

A

Base of the distal phalanx of teh thumb

43
Q

Flexor pollicis longus innervation

A

Median nerve

44
Q

Flexor pollicis longus actions

A

Flex the thumb and wrist.

45
Q

Adductor pollicis origin

A

Capitate, second and third metacarpals.

46
Q

Adductor pollicis actions

A

Adduct and flex the thumb

46
Q

Adductor pollicis insertion

A

Base of the proximal phalanx of the thumb

47
Q

Adductor pollicis innervation

A

Ulnar nerve

48
Q

Supinator insertion

A

Anterior, lateral surface of the proximal third of the radial shaft.

49
Q

Supinator origin

A

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

50
Q

Supinator actions

A

Supinate the forearm

51
Q

Supinator innervation

A

Radial nerve

52
Q

Pronator quadratus origin

A

Medial, anterior surface of teh distal ulna.

53
Q

Pronator quadratus insertion

A

Lateral, anterior surface of the distal radius.

54
Q

Pronator quadratus action

A

Pronate the forearm

55
Q

Pronator teres origin

A

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

56
Q

Pronator quadratus innervation

A

Median nerve

57
Q

Pronator teres insertion

A

Middle of the lateral surface of the radius

58
Q

Pronator teres action

A

Pronate the forearm and assist to flex the elbow.

59
Q

Pronator teres innervation

A

Median nerve

60
Q

Extensor carpi radialis longus origin

A

Distal third of the lateral supracondylar ridge of the humerus

61
Q

Extensor carpi radialis longus insertion

A

Base of the second metacarpal

62
Q

Extenso carpi radialis longus actions

A

Extend and abduct the wrist, assist to flex the elbow.

63
Q

Extensor carpi radialis longus innervation

A

Radial nerve

64
Q

Extensor carpi radialis brevis origin

A

Common extensor tendon from the lateral epicondyle of the humerus

65
Q

Extenso carpi radialis brevis innervation

A

Radial

66
Q

Extensor carpi radialis brevis insertion

A

Base of teh third metacarpal

67
Q

Extensor carpi radialis brevis actions

A

Extend and abduct the wrist and assit to flex the elbow.

68
Q

Extensor carpi ulnaris origin

A

Common extensor tendon from the lateral epicondyle of the humerus

69
Q

Extensor carpi ulnaris insertion

A

Base of the fifth metacarpal

70
Q

Extensor carpi ulnaris actions

A

Extend and adduct the wrist

71
Q

Extensor carpi ulnaris innervation

A

Radial nerve

72
Q

Extensor digitorum insertion

A

Bases of middle and distal phalanges of the second through fifth fingers

73
Q

Extensor digitorum origin

A

Common extensor tnedon from the lateral epicondyle of the humerus

74
Q

Extensor digitorum actions

A

Extend the second through fifth fingers and assist to extend the wrist

75
Q

Extensor digitorum innervation

A

Radial nerve

76
Q

Extensor indicis origin

A

Posterior surface of teh distal shaft of the ulna and the interosseous membrane

77
Q

Extensor indicis insertion

A

Tendon of the extensor digitorum at the level of the second metacarpal.

78
Q

Extensor indicis innervation

A

Radial nerve

79
Q

Extensor indicis actions

A

Extend and adduct the second finger. May assist to extend the wrist.

80
Q

Anconeus origin

A

Lateral epicondyle of the humerus

81
Q

Anconeous insertion

A

Olecranon process and posterior, proximal shaft of the ulna.

82
Q

Anconeus actions

A

Extend the elbow

83
Q

Anconeus innervation

A

Radial nerve

Year 2 Quarter 3 Anatomy (6 decks)

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