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Anatomy 1 Upper Extremity- PCCF tri 1 > Quiz 2 > Flashcards

Quiz 2 Flashcards

1
Q

origin of biceps brachii long head

A

supraglenoid tubercle of humerus

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2
Q

origin of biceps brachii short head

A

coracoid process of scapula

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3
Q

insertion of biceps brachii long + short head

A

radial tuberosity + bicipital aponeurosis

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4
Q

innervation of biceps brachii

A

musculocutaneous n

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5
Q

spinal levels of biceps brachii

A

C5/C6

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6
Q

action of biceps brachii long head

A

forearm flexor, primary supinator, stabilizes the GH joint

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7
Q

origin of coracobrachialis

A

coracoid process, scapula

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8
Q

insertion of coracobrachialis

A

medial/middle humerus

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9
Q

innervation of coracobrachialis

A

musculocutaneous n

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10
Q

action of coracobrachialis

A

flexes + adducts humerus at GH joint

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11
Q

spinal levels of coracobrachialis

A

C6/C7

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12
Q

origin of brachialis

A

distal half of anterior humerus

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13
Q

insertion of brachialis

A

ulnar tuberosity + anterior surface of coronoid process

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14
Q

innervation of brachialis m

A

musculocutaneous n

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15
Q

action of brachialis

A

primary elbow flexor

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16
Q

spinal level of brachialis

A

C5/C6

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17
Q

origin of tricpes brachii long head

A

infraglenoid tubercle of scapula

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18
Q

origin of tricpes brachii lateral head

A

posterolateral surface of humerus + lateral intermuscular septum

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19
Q

origin of tricpes brachii medial head

A

posteromedial surface of humerus + medial intermuscular septum

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20
Q

insertion of all heads of tricpes brachii

A

olecranon process of the ulna

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21
Q

innervation of tricpes brachii

A

radial n

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22
Q

spinal levels of tricpes brachii

A

C6/C7/C8

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23
Q

actions of tricpes brachii

A

extends forearm at elbow

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24
Q

actions of tricpes brachii long head

A

stabilizes the GH joint + extends humerus at GH joint

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25
Q

origin of flexor carpi radialis

A

medial epicondyle

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26
Q

insertion of flexor carpi radialis

A

base of 2nd + 3rd metacarpal

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27
Q

action of flexor carpi radialis

A

flexes carpometacarpal joint + the hand at wrist. abduction. helps steady hand

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28
Q

innervation of flexor carpi radialis

A

median n

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29
Q

spinal levels of flexor carpi radialis

A

C6/C7

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30
Q

origin of pronator teres humeral head

A

medial epicondyle

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31
Q

origin of pronator teres ulnar head

A

coronoid process

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32
Q

insertion of pronator teres

A

mid/lateral surface of radius

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33
Q

spinal levels of pronator teres

A

C6/C7

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34
Q

action of pronator Teres

A

weak pronation of forearm, rotation of radius on ulna

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35
Q

Origin of palmaris longus

A

Medial epicondyle of humerus

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36
Q

Insertion of palmaris longus

A

Flexor retinaculum +palmar aponeurosis

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37
Q

Innervation of palmaris longus

A

Median n

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38
Q

Spinal levels of palmaris longus

A

C7/C8

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39
Q

Actions of palmaris longus

A

Tenses palmar aponeurosis + wearily flexes the wrist

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40
Q

Origin of flexor carpi ulnaris

A

Medial epicondyle, medial olecranon process, posterior border ulna

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41
Q

Insertion of flexor carpi ulnaris

A

Pisiform, hamate, base of 5th metacarpal

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42
Q

Innervation of flexor carpi ulnaris

A

Ulnar n

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43
Q

Spinal levels of flexor carpi ulnaris

A

C7/C8

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44
Q

Actions of flexor carpi ulnaris

A

Flexes carpometacarpal joint, ulnar deviation (adduction), steadies the wrist

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45
Q

Origin of flexor digitorum superficialis humeroulnar head

A

Medial epicondyle, coronoid process of ulna

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46
Q

Origin of flexor digitorum superficialis radial head

A

Anterior surface of radius, distal to the radial tuberosity

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47
Q

Insertion of flexor digitorum superficialis

A

4 tendons split to attach the medial and lateral sides of the bases of the middle phalanges digits 2-5

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48
Q

Innervation of flexor digitorum superficialis

A

Median n

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49
Q

Spinal levels of flexor digitorum superficialis

A

C7/C8/T1

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50
Q

Action of flexor digitorum superficialis

A

Flexes proximal + middle interphalangeal joints and the metacarpophalangeal joints. POWER GRIP MUSCLE

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51
Q

Origin of flexor digitorum profundus

A

Upper 3/4 of the anterior medial ulna + ulnar 1/2 of interosseous membrane

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52
Q

Insertion of flexor digitorum profundus

A

4 tendons pierce the tendons of FDS at bases of middle phalanges to insert at bases of distal phalanges of digits 2-5

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53
Q

Innervation of flexor digitorum profundus

A

Anterior interosseous n + ulnar n

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54
Q

Spinal levels of flexor digitorum profundus

A

C8/T1

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55
Q

Action of flexor digitorum profundus

A

Flexes the distal interphalangeal joints (DIPs), gentle grip flexor. Weak wrist flexor

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56
Q

Origin of flexor pollicis longus

A

Anterior surface of radius + interosseous membrane

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57
Q

Insertion of flexor pollicis longus

A

Base of distal phalanx of thumb

58
Q

Innervation of flexor pollicis longus

A

Anterior interosseous n

59
Q

Spinal levels of flexor pollicis longus

60
Q

Actions of flexor pollicis longus

A

Flexes interphalangeal joints + metacarpophalangeal joint of thumb

61
Q

Origin of pronator quadratus

A

Distal 1/4 anterior surface of ulna

62
Q

Insertion of pronator quadratus

A

Distal 1/4 anterior surface of radius

63
Q

Innervation of pronator quadratus

A

Anterior interosseous n

64
Q

Action of pronator quadratus

A

Pronation of forearm

65
Q

Spinal levels of pronator quadratus

66
Q

Medial border of cubital fossa

A

Pronator Teres m

67
Q

Lateral border of cubital fossa

A

Brachioradialis m

68
Q

“Roof” border of cubital fossa

A

Bicipital aponeurosis

69
Q

“Floor” border of cubital fossa

A

Brachialis t

70
Q

What runs through the cubital fossa?

A

brachial v, median n, brachial a,
around: cephalic v, lateral antebrachial cutaneous n, median antebrachial v, basilic v, medial antebrachial cutaneous n, median cubital v

71
Q

Origin of the anconeus m

A

Lateral epicondyle of humerus

72
Q

Insertion of anconeus m

A

Lateral olecranon & shaft of the ulna

73
Q

Innervation of anconeus m

74
Q

Spinal levels of anconeus m

75
Q

Action of anconeus m

A

Assists triceps brachii in extending joint capsule of the elbow during extension of the forearm

76
Q

Boundaries of cubital tunnel

A

olecranon process, medial epicondyle

77
Q

Origin of brachioradialis m

A

Upper 2/3rd of the lateral supracondylar ridge of the humerus

78
Q

Insertion of brachioradialis m

A

Lateral aspect of the styloid process of the radius

79
Q

Innervation of brachioradialis m

80
Q

Spinal levels of brachioradialis m

81
Q

Action of brachioradialis m

A

Flexes a semi prone forearm

82
Q

Origin of extensor carpi radialis longus m

A

Lower 1/3rd of lateral supracondylar ridge of humerus

83
Q

Insertion of extensor carpi radialis longus m

A

Base of 2nd metacarpal

84
Q

Innervation of extensor carpi radialis longus m

85
Q

Spinal levels of extensor carpi radialis longus m

86
Q

Action of extensor carpi radialis longus m

A

Extend the wrist. Abducts hand when acting with flexor carpi radialis

87
Q

Origin of extensor carpi radialis brevis m

A

Lateral epicondyle humerus

88
Q

Insertion of extensor carpi radialis brevis m

A

Base of 3rd metacarpal

89
Q

Innervation of extensor carpi radialis brevis m

A

Deep branch radial n

90
Q

Spinal levels of extensor carpi radialis brevis m

91
Q

Action of extensor carpi radialis brevis m

A

Assists extensor carpi radialis longus to extend wrist

92
Q

What are the fleshy 3?

A

brachioradialis, extensor carpi radialis longus (ECRL), + extensor carpi radialis brevis (ECRB)

93
Q

Origin of extensor digitorium m

A

Lateral epicondyle of humerus

94
Q

Insertion of extensor digitorium m

A

Dorsal aspects of middle + distal phalanges, digits 3-4

95
Q

Innervation of extensor digitorium m

A

Posterior interosseous n

96
Q

Spinal levels of extensor digitorium m

97
Q

Action of extensor digitorium m

A

Extends metacarpal phalangeal + interphalangeal joints digits 3-4

98
Q

Origin of extensor digitorium minimum m

A

Medial belly of extensor digitorum

99
Q

Insertion of extensor digitorium minimum m

A

Dorsal digital expansions of the little finger via 1-2 tendons

100
Q

Innervation of extensor digitorium minimum m

A

Posterior interosseous n

101
Q

Spinal levels of extensor digitorium minimum m

102
Q

Action of extensor digitorium minimum m

A

Assists extensor digitorum at 5th digit

103
Q

Origin of extensor carpi ulnaris m

A

Lateral epicondyle of humerus

104
Q

Insertion of extensor carpi ulnaris m

A

Medial side base of 5th metacarpal

105
Q

Innervation of extensor carpi ulnaris m

A

Posterior interosseous n

106
Q

Spinal levels of extensor carpi ulnaris m

107
Q

Action of extensor carpi ulnaris m

A

Adduct (ulnar deviate) hand. Fix the wrist. Extend the wrist

108
Q

Origin of supinator m

A

Lateral epicondyle humerus, collateral ligament + supinator crest of ulna

109
Q

Insertion of supinator m

A

Lateral surface, proximal 1/3rd of radius

110
Q

Innervation of supinator m

A

Deep branch radial n

111
Q

Spinal levels of supinator m

112
Q

Action of supinator m

A

Supinates forearm from pronated position

113
Q

Origin of abductor pollicis longus

A

Posterior surfaces of radius, ulna, + interosseous membrane

114
Q

Insertion of abductor pollicis longus

A

Base of 1st metacarpal + trapezium

115
Q

Innervation of abductor pollicis longus

A

Posterior interosseous n

116
Q

Spinal levels of abductor pollicis longus

117
Q

Action of abductor pollicis longus

A

Abducts + extends thumb

118
Q

Origin of extensor pollicis brevis

A

Posterior surface of radius + interosseous membrane

119
Q

Insertion of extensor pollicis brevis

A

Base of proximal phalanx of thumb

120
Q

Innervation of extensor pollicis brevis

A

Posterior interosseous n

121
Q

Spinal levels of extensor pollicis brevis

122
Q

Action of extensor pollicis brevis

A

Extends metacarpophalangeal joint + carpometacarpal joint of thumb

123
Q

Origin of extensor pollicis longus

A

Posterior shaft of ulnar + interosseous membrane

124
Q

Insertion of extensor pollicis brevis

A

Base of distal phalanx (thumb)

125
Q

Innervation of extensor pollicis brevis

A

Posterior interosseous n

126
Q

Spinal levels of extensor pollicis brevis

127
Q

Action of extensor pollicis brevis

A

Extends thumb at interphalangeal + metacarpophalangeal joints

128
Q

Origin of extensor indicis

A

Posterior surface of interosseous membrane + posterior surface of ulna

129
Q

Insertion of extensor indicis

A

Dorsal digital expansions of index finger

130
Q

Innervation of extensor indicis

A

Posterior interosseous n

131
Q

Spinal levels of extensor indicis

132
Q

Action of extensor indicis

A

Extends index finger, assisting extensor digitorum

133
Q

Medial border of anatomical snuff box

A

Extensor pollicis longus

134
Q

Lateral borders of anatomical snuff box

A

Extensor pollicis brevis + abductor pollicis longus

135
Q

what are the fleshy 3 muscles?

A

brachioradialis, extensor carpi radialis longus, + extensor carpi radialis brevis

136
Q

cubital tunnel contents

137
Q

carpal tunnel contents

A

flexor digitorium profundus t (4), flexor digitorium superficialis t (4), median n, flexor pollicis longus t,

138
Q

arcade of frohse

A

common site of deep radial nerve entrapment

139
Q

carpal tunnel “roof”

A

flexor retinaculum

140
Q

carpal tunnel lateral border

A

scaphoid + trapezium tubercle

141
Q

carpal tunnel medial border

A

hook of hamate + pisiform

142
Q

carpal tunnel “floor”

A

palmar ulnocarpal +radiocarpal ligaments, + carpal bones

Anatomy 1 Upper Extremity- PCCF tri 1 (10 decks)

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