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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
origin for pectoralis minor
ribs 3-5
26
insertion for pectoralis minor
coracoid process of scapula
27
action for pectoralis minor
depress, protract, downwardly roate scapula; elevate the ribs
28
innervation/ nerve for pectoralis minor
medial pectoral nerve
29
origin for deltoid
clavicle, acromion process of the scapula, spine of the scapula
30
insertion for deltoid
deltoid tuberosity of humerus
31
action for deltoid
abduction, extension, lateral rotation, flexion, medial rotation
32
innervation/ nerve for deltoid
axillary
33
origin for supraspinatus
supraspinous fossa of scapula
34
insertion for supraspinatus
greater tubercle of humerus
35
action for supraspinatus
shoulder abduction; stabilize G-H joint
36
innervation/ nerve for supraspinatus
supscapular
37
origin for infraspinatus
infraspinous fossa of the scapula
38
insertion for infrapsinatus
greater tubercle of humerus
39
action for infraspinatus
lateral rotation of shoulder; stabilize G- joint
40
innervation/ nerve for infraspinatus
suprascapular
41
origin of teres minor
lateral border of scapula
42
insertion for teres minor
greater tubercle of humerus
43
action for teres minor
lateral rotation of shoulder; stabilize G-H joint
44
innervation/ nerve for teres minor
axillary
45
origin of subscapularis
subscapular fossa of the scapula
46
insertion for subscapularis
lesser tubercle of humerus
47
action for subscapularis
medial rotation of shoulder; stabilize G-H joint
48
innervation/ nerve for subscapularis
upper and lower subscapular nerve
49
which muscles are apart of the rotator cuff?
subscapularis, teres minor, infraspinatus, supraspinatus
50
is the teres major apart of the rotator cuff
no, along the lats
51
origin for coracobrachialis
coracoid process of the scapula
52
insertion for coracobrachialis
midshaft of the humerus
53
action for coracobrachialis
flexion and adduction of shoulder
54
innervation/ nerve for coracobrachialis
musculocutaneous
55
origin of brachialis
distal anterior shaft of the humerus
56
insertion for brachialis
ulnar tuberosity
57
action of brachialis
flexion of elbow
58
innervation/ nerve for brachialis
musculocutaneous
59
origin of biceps brachii long head
supraglenoid tubercle of scapula
60
origin of biceps brachii short head
coracoid process of scapula
61
insertion for biceps brachii
radial tuberosity and lacertus fibrosus
62
action for biceps brachii
flexsion of elbox and shoulder; supination of forearm
63
innervation/ nerve for biceps brachii
musculocutaneous
64
origin for triceps brachii long head
infraglenoid tubercle of the scapula
65
origin for triceps brachii lateral head
superior lateral humeus
66
origin for triceps brachii medial
posterior humerus
67
insertion for triceps brachii
olecranon process on the ulna
68
action for triceps brachii
all extend elbow; long head adds extension and adduction of shoulder
69
innervation for triceps brachii
radial
70
origin for brachioradialis
lateral supracondylar ridge of the humerus
71
insertion for brachioradialis
radial styloid process
72
action for brachioradialis
flex elbow
73
innervation/ nerve for brachioradialis
radial nerve
74
origin for pronator teres
medial epicondyle and cornoid process of the ulna
75
insertion for pronator teres
radius shaft
76
action for pronator teres
pronates forearm
77
innervation/ nerve for pronator teres
median
78
origin for flexor digitorum superficialis
medial epicondyle and coranoid process of the ulna and shaft of the radius
79
insertion for flexor digitorum superficialis
middle phalanges of digits 2-5
80
actioin for flexor digitorum superficialis
flex finger at interphalangeal joints and wrist.. does not flex the DIP joint
81
innervation/ nerve for flexor digitorum superficialis
median
82
origin for flexor digitorum profundus
ulnar shaft, interosseous membrane
83
insertion for flexor digitorum profundus
DPs of 2-5
84
action for flexor digitorum profundus
flex finger at interphalangeal joints and wrist
85
innervation/ nerve for flexor digitorum profundus
median and ulnar
86
origin for flexor pollicus longus
radial shaft, interosseous membrane
87
insertion for flexor pollicus longus
DP for digit 1
88
action for flexor pollicus longus
Flex digit 1
89
innervation/ nerve for flexor pollicus longus
median
90
origin for extensor digitorum (communis)
lateral epicondyle of humerus
91
insertion for extensor digitorum (communis)
extensor digit expansion of digits 2-5
92
action for extensor digitorum (communis)
extend wrist and fingers
93
innervation/ nerve for extensor digitorum (communis)
radial
94
origin for abductor pollicus
posterior ulnar shaft, radial shaft
95
insertion for abductor pollicus
base of 1st MC
96
action for abductor pollicus
abduct and extend digit 1; abduct wrist
97
innervation/ nerve for abductor pollicus
radial
98
origin for extensor pollicus brevis
radial shaft
99
insertion for extensor pollicus brevis
1st PP
100
action for extensor pollicus brevis
extend and abduct digit 1; abduct wrist
101
innervation/ nerve for extensor pollicus brevis
radial
102
origin for extensor pollicus longus
ulnar shaft, interosseous membrane
103
insertion for extensor pollicus longus
1st DP
104
action for extensor pollicus longus
extend 1st digit
105
innervation/ nerve for extensor pollicus longus
radial
106
origin for extensor indicis
ulnar shaft, interosseous membrane
107
insertion for extensor indicis
extensor digit expansion of digit 2
108
action for extensor indicis
extend and adduct digit 2
109
innervation/ nerve for extensor indicis
radial
110
origin for abductor pollicus brevis
flexor retinaculum, trapezium, scaphoid
111
insertion for abductor pollicus brevis
1st PP
112
action for abductor pollicus brevis
abduct digit 1
113
innervation/ nerve for abductor pollicus brevis
median

Structure and Function Lab (3 decks)

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