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OCS Anatomy > Moore arm and forearm > Flashcards

Moore arm and forearm Flashcards

1
Q

Coracobrachialis origin

A

Coracoid process of the scapula

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2
Q

Biceps brachii origin

A

Long head: supraglenoid tubercle of scapula; Short head: coracoid process of scapula

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3
Q

Brachialis origin

A

Distal half of the anterior surface of humerus

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4
Q

Triceps brachii origin

A

Long head: infraglenoid tubercle of scapula; lateral head: posterior surface of humerus, superior to radial groove; medial head: posterior surface of humerus inferior to radial groove

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5
Q

Anconeus origin

A

Lateral epicondyle of humerus

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6
Q

Deltoid origin

A

Lateral 1/3 of clavicle, acromion and spine of scapula

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7
Q

Pronator teres origin

A

Humeral head: medial epicondyle; ulnar head: coranoid process

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8
Q

Flexor carpi radialis origin

A

Medial epicondyle

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9
Q

Palmaris longus origin

A

Medial epicondyle

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10
Q

Flexor carpi ulnaris origin

A

Medial epicondyle, olecranon of ulna and posterior border via shared aponeuorsis

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11
Q

Flexor digitorum superficialis origin

A

Humeral head: medial epincondyle and coranoid process of ulna; radial head: proximal half of anterior surface of radius

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12
Q

Flexor digitorum profundus origin

A

Proximal 3/4 of the ulna and interosseous membrane

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13
Q

Flexor pollicus longus origin

A

Anterior surface of the radius and interosseous membrane

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14
Q

Pronator quadratus origin

A

Distal ¼ of anterior ulna

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15
Q

Brachioradialis origin

A

Proximal 2/3 of lateral supraepicondylar ridge

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16
Q

Extensor carpi radialis longus origin

A

Supraepicondylar ridge

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17
Q

Extensor carpi radialis brevis

A

Lateral epicondyle

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18
Q

Extensor digitorum origin

A

Lateral epicondyle

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19
Q

Extensor digiti minimi origin

A

Lateral epicondyle

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20
Q

Extensor carpi ulnaris origin

A

Lateral epicondyle and posterior border via shared aponeurosis

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21
Q

Supinator origin

A

Lateral epicondyle, radial collateral and anular ligaments, suiinator fossa and crest of ulna

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22
Q

Extensor indicis origin

A

Distal 1/3 of the ulna and interosseous membrane

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23
Q

Abductor pollicis longus origin

A

Posterior side of proximal 1/2 of radius, ulna and interosseous membrane

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24
Q

Extensor pollicis brevis origin

A

Distal 1/3 of radius and interosseous membrane

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25
Q

Extensor pollicis longus origin

A

Middle 1/3 of ulna and interosseous membrane

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26
Q

Flexor pollicis brevis origin

A

Superficial head: flexor retinaculum; deep head: scaphoid and trapezium

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27
Q

Coracobrachialis insertion

A

Middle 1/3 of medial side of humerus

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28
Q

Biceps brachii insertion

A

Radial tuberosity and bicipital aponeurosis

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29
Q

Brachialis insertion

A

Coranoid process and tuberosity of ulna

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30
Q

Triceps brachii insertion

A

Olecranon of ulna and posterior border

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31
Q

Anconeus insertion

A

Olecranon and superior posterior surface of ulna

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32
Q

Deltoid insertion

A

Deltoid tuberosity of humerus

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33
Q

Pronator teres insertion

A

Middle convexity of lateral radius

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34
Q

Flexor carpi radialis insertion

A

Base of 2nd metacarpal

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35
Q

Palmaris longus insertion

A

Distal flexor retinaculum and apex of palmar aponeuorsis

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36
Q

Flexor carpi ulnaris insertion

A

Pisiform, hook of hamate and base of 5th metacarpal

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37
Q

Flexor digitorum superficialis insertion

A

Shafts of middle phalanges of digits II-V

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38
Q

Flexor digitorum profundus insertion

A

Distal phalanges of digits (medial) IV-V and (lateral) II-III

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39
Q

Flexor pollicus longus insertion

A

Distal phalanx of thumb

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40
Q

Pronator quadratus insertion

A

Distal ¼ of anterior radius

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41
Q

Brachioradialis insertion

A

Lateral surface of radius just proximal to the styloid process

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42
Q

Extensor carpi radialis longus insertion

A

Distal end of 2nd metacrapal

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43
Q

Extensor carpi radialis brevis

A

Distal end of 3rd metacarpal

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44
Q

Extensor digitorum insertion

A

Extensor expansions of digits II-V

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45
Q

Extensor digiti minimi insertion

A

Extensor expansion of digit V

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46
Q

Extensor carpi ulnaris insertion

A

distal end of 5th metacarpal

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47
Q

Supinator insertion

A

Lateral, anterior, and posterior sides of proximal radius

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48
Q

Extensor indicis insertion

A

Extensor expansion of digits II

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49
Q

Abductor pollicis longus insertion

A

base of 1st metacarpal

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50
Q

Extensor pollicis brevis insertion

A

Proximal phalanx of thumb

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51
Q

Extensor pollicis longus insertion

A

Distal phalanx of thumb

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52
Q

Flexor pollicis brevis insertion

A

Lateral side proximal phalanx of thumb

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53
Q

Coracobrachialis action

A

Aids in adduction and flexion, prevents dislocation of humerus from glenoid

54
Q

Biceps brachii action

A

Flexes forearm when supinated, supinator of forearm, short head also resist dislocation of humerus

55
Q

Brachialis action

A

Flexes forearm in all positions

56
Q

Triceps brachii action

A

Main extensor of forearm, medial head is workhorse, long head also resists dislocation of humerus

57
Q

Anconeus action

A

Aids in forearm extension and stabilizes elbow

58
Q

Deltoid action

A

Clavicular head: flexes and internally rotates humerus, acromion head: abducts humerus; spinal head: extends and externally rotates humerus

59
Q

Pronator teres action

A

Weak pronator and flexor of forearm

60
Q

Flexor carpi radialis action

A

Flexes and abducts hand at wrist

61
Q

Palmaris longus action

A

Flexes hand at wrist Absent in 10-15% of people with no clinical deficits

62
Q

Flexor carpi ulnaris action

A

Flexes and adducts hand at wrist

63
Q

Flexor digitorum superficialis action

A

Flexes digits at proximal interphalangeal joint and more strongly at metacarpalphalangeal joint

64
Q

Flexor digitorum profundus action

A

Flex digits at the distal interphalangeal joints

65
Q

Flexor pollicus longus action

A

Flexes thumb at interphalangeal join, MCP, carpometacarpal joint

66
Q

Pronator quadratus action

A

Pronates the forearm, deep fibers hold ulna and radius together

67
Q

Brachioradialis action

A

Flexes the forearm at the elbow

68
Q

Extensor carpi radialis longus action

A

Extends and abducts the hand at wrist, active during fist clenching

69
Q

Extensor carpi radialis brevis action

A

Flexes and abducts hand at wrist

70
Q

Extensor digitorum action

A

Extends the digits at PIP, mostly at MCP

71
Q

Extensor digiti minimi action

A

Extends digit V at PIP, mostly at MCP

72
Q

Extensor carpi ulnaris action

A

Extends and adducts the hand at the wrist, active during fist clenching

73
Q

Supinator action

A

Supinates the forearm

74
Q

Extensor indicis action

A

Independent extension of digit II and helps in hand extension at wrist

75
Q

Abductor pollicis longus action

A

Abducts thumb and extends at MCP

76
Q

Extensor pollicis brevis action

A

Extends thumb at MCP, CMC

77
Q

Extensor pollicis longus action

A

Extends thumb at IP, MCP, CMC joint

78
Q

Flexor pollicis brevis action

A

Superficial head: Flexes thumb at MCP; Deep head: aids in adduction the thumb

79
Q

Coracobrachialis innervation

A

Musculocutaeous C5 C6 C7

80
Q

Biceps brachii innervation

A

Musculocutaneous nerve C5 C6 C7

81
Q

Brachialis innervation

A

Musculocutaneous C5 C6, and radial nerves C5 C7

82
Q

Triceps brachii innervation

A

Radial nerve C6 C7 C8

83
Q

Anconeus innervation

A

Radial nerve C7 C8 T1

84
Q

Deltoid innervation

A

Axillary nerve C5 C6

85
Q

Pronator teres innervation

A

Medial nerve C6 C7

86
Q

Flexor carpi radialis innervation

A

Median nerve C6 C7

87
Q

Palmaris longus innervation

A

Median nerve C7 C8

88
Q

Flexor carpi ulnaris innervation

A

Ulnar nerve C7 C8

89
Q

Flexor digitorum superficialis innervation

A

Median nerve C7 C8 T1

90
Q

Flexor digitorum profundus innervation

A

Medial: ulnar nerve C8 T1; Lateral: anterior interosseuos branch of median nerve C8 T1

91
Q

Flexor pollicus longus innervation

A

Anterior interosseous branch of the median nerve C8 T1

92
Q

Pronator quadratus innervation

A

Anterior interosseous branch of median C8 T1

93
Q

Brachioradialis innervation

A

Radial nerve C5 C6 C7

94
Q

Extensor carpi radialis longus innervation

A

Radial nerve C6 C7

95
Q

Extensor carpi radialis brevis innervation

A

Deep Radial nerve C7 C8

96
Q

Extensor digitorum innervation

A

Deep Radial nerve C7 C8

97
Q

Extensor digiti minimi innervation

A

Deep Radial nerve C7 C8

98
Q

Extensor carpi ulnaris innervation

A

Deep Radial nerve C7 C8

99
Q

Supinator innervation

A

Deep Radial nerve C7 C8

100
Q

Extensor indicis innervation

A

Posterior interosseous continuation of deep radial C7 C8

101
Q

Abductor pollicis longus innervation

A

Posterior interosseous continuation of deep radial nerve C7 C8

102
Q

Extensor pollicis brevis innervation

A

Posterior interosseous continuation of deep radial nerve C7 C8

103
Q

Extensor pollicis longus innervation

A

Posterior interosseous continuation of deep radial nerve C7 C8

104
Q

Flexor pollicis brevis innervation

A

Superficial head: recurrent branch of median nerve C8 T1; Deep head: deep branch of ulnar nerve C8 T1

105
Q

Coracobrachialis arterial supply

A

Brachial artery

106
Q

Biceps brachii arterial supply

A

Brachial artery

107
Q

Brachialis arterial supply

A

Brachial and radial recurrent arteries

108
Q

Triceps brachii arterial supply

A

Deep brachial artery

109
Q

Anconeus arterial supply

A

Deep brachial artery

110
Q

Deltoid arterial supply

A

Posterior humeral circumflex and deltoid branch of thoracoacromial arteries

111
Q

Pronator teres arterial supply

A

Anterior recurrent branch of ulnar artery

112
Q

Flexor carpi radialis arterial supply

A

radial artery

113
Q

Palmaris longus arterial supply

A

Posterior recurrent branch of ulnar artery

114
Q

Flexor carpi ulnaris arterial supply

A

Posterior recurrent branch of ulnar artery

115
Q

Flexor digitorum superficialis arterial supply

A

Ulnar and radial arteries

116
Q

Flexor digitorum profundus arterial supply

A

anterior interosseous branch of ulnar artery

117
Q

Flexor pollicus longus arterial supply

A

Palmar interosseous branch of ulnar artery

118
Q

Pronator quadratus arterial supply

A

Anterior interosseous branch of ulnar artery

119
Q

Brachioradialis arterial supply

A

radial recurrent

120
Q

Extensor carpi radialis longus arterial supply

A

radial recurrent

121
Q

Extensor carpi radialis brevis arterial supply

A

Radial artery, radial recurrent

122
Q

Extensor digitorum arterial supply

A

Posterior interosseous of unlar artery

123
Q

Extensor digiti minimi arterial supply

A

Posterior interosseous branch of ulnar artery

124
Q

Extensor carpi ulnaris arterial supply

A

Posterior interosseous of ulnar

125
Q

Supinator arterial supply

A

Radial and posterior interosseous branch of ulnar artery

126
Q

Extensor indicis arterial supply

A

Posterior interosseous of ulnar artery

127
Q

Abductor pollicis longus arterial supply

A

Posterior interosseous branch of unlar artery

128
Q

Extensor pollicis brevis arterial supply

A

Posterior interosseous ulnar artery

129
Q

Extensor pollicis longus arterial supply

A

Posterior interosseous branch ulnar artery

130
Q

Flexor pollicis brevis arterial supply

A

Superficial Palmar branch of radial artery

OCS Anatomy (24 decks)

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