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Structure and Function Lab > Upper Extremity Muscles > Flashcards

Upper Extremity Muscles Flashcards

1
Q

Origin for trapezius

A

EOP
ligamentum nuchae
T1-T12

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2
Q

insertion for trapezius

A

scapular spine
acromion process
distal clavicle

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3
Q

action of trapezius

A

elevate, depress, retract, fix, and upwardly rotate scapula; bilaterally; extend head and neck

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4
Q

innervation/ nerve for trapezius

A

CN XI (accessory nerve)

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5
Q

origin for levator scapulae

A

TPs of C1-C4

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6
Q

insertion for levator scapulae

A

superior angle of FILL IN BLANK

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7
Q

action of levator scapulae

A

elevate scapula; laterally flex neck with scapula fixed

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8
Q

innervation for levator scapulae

A

dorsal scapular and cervical roots

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9
Q

origin of rhomboid major and minor

A

SPs of T1-T4, SPS of C7-T1

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10
Q

insertion for rhomboid major and minor

A

medial border of scapula; spine to inferior angle
spine to superior angle

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11
Q

action for rhomboid major and minor

A

retract, adduct, fix, and downwardly rotate scapula; minor does the same but also elevates scapula

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12
Q

innervation/ nerve for rhomboid major and minor

A

dorsal scapular

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13
Q

origin of latissimus dorsi

A

SPs of T7-L5, sacrum, iliac crest and T/L fascia

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14
Q

insertion for latissimus dorsi

A

floor of intertubercular groove

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15
Q

action of latissimus dorsi

A

extend, medially roate and adduct shoulder/ G-H joint

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16
Q

innervation of latissimus dorsi

A

thoracodorsal

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17
Q

origin for serratus anterior

A

RIBs 1 though 8-9

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18
Q

insertion for serratus anterior

A

medial border of the scapula

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19
Q

action of the serratus anterior

A

upward rotation and protraction of scapula;
elevate ribs

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20
Q

innervation/ nerve for serratus anterior

A

SA LT long thoracic

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21
Q

origin for pectoralis

A

clavicle, superior 6 costal cartilages, sternum, external oblique aponeurosis

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22
Q

insertion for pectoralis

A

lateral crest of the intertubercular groove

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23
Q

action for pectoralis

A

flex, adduct, medially rotate shoulder, and extend shoulder from flexed position

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24
Q

innervation/ nerve for pectoralis

A

medial and lateral pectoral nerves

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25
Q

origin for pectoralis minor

A

ribs 3-5

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26
Q

insertion for pectoralis minor

A

coracoid process of scapula

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27
Q

action for pectoralis minor

A

depress, protract, downwardly roate scapula; elevate the ribs

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28
Q

innervation/ nerve for pectoralis minor

A

medial pectoral nerve

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29
Q

origin for deltoid

A

clavicle, acromion process of the scapula, spine of the scapula

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30
Q

insertion for deltoid

A

deltoid tuberosity of humerus

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31
Q

action for deltoid

A

abduction, extension, lateral rotation, flexion, medial rotation

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32
Q

innervation/ nerve for deltoid

A

axillary

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33
Q

origin for supraspinatus

A

supraspinous fossa of scapula

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34
Q

insertion for supraspinatus

A

greater tubercle of humerus

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35
Q

action for supraspinatus

A

shoulder abduction; stabilize G-H joint

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36
Q

innervation/ nerve for supraspinatus

A

supscapular

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37
Q

origin for infraspinatus

A

infraspinous fossa of the scapula

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38
Q

insertion for infrapsinatus

A

greater tubercle of humerus

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39
Q

action for infraspinatus

A

lateral rotation of shoulder; stabilize G- joint

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40
Q

innervation/ nerve for infraspinatus

A

suprascapular

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41
Q

origin of teres minor

A

lateral border of scapula

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42
Q

insertion for teres minor

A

greater tubercle of humerus

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43
Q

action for teres minor

A

lateral rotation of shoulder; stabilize G-H joint

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44
Q

innervation/ nerve for teres minor

A

axillary

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45
Q

origin of subscapularis

A

subscapular fossa of the scapula

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46
Q

insertion for subscapularis

A

lesser tubercle of humerus

47
Q

action for subscapularis

A

medial rotation of shoulder; stabilize G-H joint

48
Q

innervation/ nerve for subscapularis

A

upper and lower subscapular nerve

49
Q

which muscles are apart of the rotator cuff?

A

subscapularis, teres minor, infraspinatus, supraspinatus

50
Q

is the teres major apart of the rotator cuff

A

no, along the lats

51
Q

origin for coracobrachialis

A

coracoid process of the scapula

52
Q

insertion for coracobrachialis

A

midshaft of the humerus

53
Q

action for coracobrachialis

A

flexion and adduction of shoulder

54
Q

innervation/ nerve for coracobrachialis

A

musculocutaneous

55
Q

origin of brachialis

A

distal anterior shaft of the humerus

56
Q

insertion for brachialis

A

ulnar tuberosity

57
Q

action of brachialis

A

flexion of elbow

58
Q

innervation/ nerve for brachialis

A

musculocutaneous

59
Q

origin of biceps brachii long head

A

supraglenoid tubercle of scapula

60
Q

origin of biceps brachii short head

A

coracoid process of scapula

61
Q

insertion for biceps brachii

A

radial tuberosity and lacertus fibrosus

62
Q

action for biceps brachii

A

flexsion of elbox and shoulder; supination of forearm

63
Q

innervation/ nerve for biceps brachii

A

musculocutaneous

64
Q

origin for triceps brachii long head

A

infraglenoid tubercle of the scapula

65
Q

origin for triceps brachii lateral head

A

superior lateral humeus

66
Q

origin for triceps brachii medial

A

posterior humerus

67
Q

insertion for triceps brachii

A

olecranon process on the ulna

68
Q

action for triceps brachii

A

all extend elbow; long head adds extension and adduction of shoulder

69
Q

innervation for triceps brachii

A

radial

70
Q

origin for brachioradialis

A

lateral supracondylar ridge of the humerus

71
Q

insertion for brachioradialis

A

radial styloid process

72
Q

action for brachioradialis

A

flex elbow

73
Q

innervation/ nerve for brachioradialis

A

radial nerve

74
Q

origin for pronator teres

A

medial epicondyle and cornoid process of the ulna

75
Q

insertion for pronator teres

A

radius shaft

76
Q

action for pronator teres

A

pronates forearm

77
Q

innervation/ nerve for pronator teres

A

median

78
Q

origin for flexor digitorum superficialis

A

medial epicondyle and coranoid process of the ulna and shaft of the radius

79
Q

insertion for flexor digitorum superficialis

A

middle phalanges of digits 2-5

80
Q

actioin for flexor digitorum superficialis

A

flex finger at interphalangeal joints and wrist.. does not flex the DIP joint

81
Q

innervation/ nerve for flexor digitorum superficialis

A

median

82
Q

origin for flexor digitorum profundus

A

ulnar shaft, interosseous membrane

83
Q

insertion for flexor digitorum profundus

A

DPs of 2-5

84
Q

action for flexor digitorum profundus

A

flex finger at interphalangeal joints and wrist

85
Q

innervation/ nerve for flexor digitorum profundus

A

median and ulnar

86
Q

origin for flexor pollicus longus

A

radial shaft, interosseous membrane

87
Q

insertion for flexor pollicus longus

A

DP for digit 1

88
Q

action for flexor pollicus longus

A

Flex digit 1

89
Q

innervation/ nerve for flexor pollicus longus

A

median

90
Q

origin for extensor digitorum (communis)

A

lateral epicondyle of humerus

91
Q

insertion for extensor digitorum (communis)

A

extensor digit expansion of digits 2-5

92
Q

action for extensor digitorum (communis)

A

extend wrist and fingers

93
Q

innervation/ nerve for extensor digitorum (communis)

A

radial

94
Q

origin for abductor pollicus

A

posterior ulnar shaft, radial shaft

95
Q

insertion for abductor pollicus

A

base of 1st MC

96
Q

action for abductor pollicus

A

abduct and extend digit 1; abduct wrist

97
Q

innervation/ nerve for abductor pollicus

A

radial

98
Q

origin for extensor pollicus brevis

A

radial shaft

99
Q

insertion for extensor pollicus brevis

A

1st PP

100
Q

action for extensor pollicus brevis

A

extend and abduct digit 1; abduct wrist

101
Q

innervation/ nerve for extensor pollicus brevis

A

radial

102
Q

origin for extensor pollicus longus

A

ulnar shaft, interosseous membrane

103
Q

insertion for extensor pollicus longus

A

1st DP

104
Q

action for extensor pollicus longus

A

extend 1st digit

105
Q

innervation/ nerve for extensor pollicus longus

A

radial

106
Q

origin for extensor indicis

A

ulnar shaft, interosseous membrane

107
Q

insertion for extensor indicis

A

extensor digit expansion of digit 2

108
Q

action for extensor indicis

A

extend and adduct digit 2

109
Q

innervation/ nerve for extensor indicis

A

radial

110
Q

origin for abductor pollicus brevis

A

flexor retinaculum, trapezium, scaphoid

111
Q

insertion for abductor pollicus brevis

A

1st PP

112
Q

action for abductor pollicus brevis

A

abduct digit 1

113
Q

innervation/ nerve for abductor pollicus brevis

A

median

Structure and Function Lab (3 decks)

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