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Unit 1 Muscle Chart > Muscle Chart > Flashcards

Muscle Chart Flashcards

1
Q

erector spinae origin

A

iliac crest, sacrum, spinous process of lower lumbar vertebrae and sacrum, supraspinous ligament, sacrospinous ligament

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2
Q

erector spinae actions

A

extends and laterally bends the trunk, neck, and head

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3
Q

erector spinae innervation

A

dorsal primary rami of spinal nerves

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4
Q

erector spinae cervical artery

A

occipital, deep cervical, vertebral

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5
Q

erector spinae thoracic artery

A

posterior intercostal artery

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6
Q

erector spinae abdominal artery

A

subcostal, lumbar

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7
Q

erector spinae sacral artery

A

lateral sacral artery

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8
Q

spinalis insertion

A

spinous processes of superior vertebral levels (thoracic and midcervical), cranium

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9
Q

spinalis action

A

extends and laterally bends trunk and neck

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10
Q

spinalis innervation

A

dorsal primary rami of spinal nerves

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11
Q

spinalis cervical artery

A

occipital, deep cervical, vertebral

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12
Q

spinalis thoracic artery

A

posterior intercostal artery

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13
Q

spinalis abdominal artery

A

subcostal, lumbar

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14
Q

spinalis sacral artery

A

lateral sacral artery

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15
Q

longissimus insertion

A

transverse process of superior vertebral levels (thoracic and cervical) and mastoid process

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16
Q

longissimus actions

A

extends and laterally bends the trunk, neck, and head

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17
Q

longissimus innervation

A

dorsal primary rami of spinal nerves

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18
Q

longissimus cervical artery

A

occipital, deep cervical, vertebral

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19
Q

longissimus thoracic artery

A

posterior intercostal artery

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20
Q

longissimus abdominal artery

A

subcostal, lumbar

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21
Q

longissimus sacral artery

A

lateral sacral artery

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22
Q

iliocostalis insertion

A

angles of the lower ribs, cervical transverse process

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23
Q

iliocostalis actions

A

extends and laterally bends the trunk and neck

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24
Q

iliocostalis innervation

A

dorsal primary rami of spinal nerves

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25
Q

iliocostalis cervical artery

A

occipital, deep cervical, vertebral

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26
Q

iliocostalis thoracic artery

A

posterior intercostal artery

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27
Q

iliocostalis abdominal artery

A

subcostal, lumbar

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28
Q

iliocostalis sacral artery

A

lateral sacral artery

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29
Q

multifidus origin

A

sacrum, ilium, transverse processes of T1-T12 and articular processes of C4-7

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30
Q

multifidus insertion

A

spinous processes 2-4 vertebral levels superior to their origin

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31
Q

multifidus insertion

A

spinous processes 2-4 vertebral levels superior to their origin

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32
Q

multifidus action

A

extend and laterally bend trunk and neck, rotate contralaterally, stabilize spine

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33
Q

multifidus innervation

A

dorsal primary rami of spinal nerves C1-L5

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34
Q

multifidus cervical artery

A

occipital, deep cervical a. and vertebral a

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35
Q

multifidus thoracic artery

A

posterior intercostal aa., subcostal aa., lumbar a

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36
Q

multifidus lumbar artery

A

lateral sacral aa

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37
Q

rotatores origin

A

transverse processes

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38
Q

rotatores insertion

A

long rotatores: spinous processes 2 vertebrae above origin; short rotatores: spinous processes 1 vertebrae above origin

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39
Q

rotatores actions

A

Stablize and extend spine: rotates the vertebral column contralaterally

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40
Q

rotatores innervation

A

dorsal primary rami of spinal nerves C1-L5

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41
Q

rotatores artery

A

supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.

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42
Q

semispinalis origin

A

transverse processes of C7-T12

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43
Q

semispinalis insertion

A

capitis: back of skull between nuchal lines; cervicis & thoracis: spines 4-6 vertebrae above origin

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44
Q

semispinalis action

A

extends the trunk and laterally bends the trunk, rotates the trunk
to the opposite side

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45
Q

semispinalis innervation

A

dorsal primary rami of spinal nerves C1-T12

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46
Q

semispinalis cervical artery

A

occipital, deep cervical a, and vertebral a

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47
Q

semispinalis thoracic artery

A

posterior intercostal aa, subcostal aa

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48
Q

splenius origin

A

ligamentum nuchae and spinous process of C7-T6

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49
Q

splenius insertion

A

capitis: mastoid process & superior nuchal line ; cervicis: posterior tubercles of transverse process of C1-C3 vertebrae

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50
Q

splenius action

A

head and neck Uilaterally: laterally flexes the neck and head, rotates head ipsilaterally

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51
Q

splenius innervation

A

dorsal primary rami of spinal nerves C2-C6

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52
Q

splenius artery

A

occipital a; deep cervical a.

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53
Q

splenius capitis origin

A

ligamentum nuchae and spinous process of C7-T4 vertebrae

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54
Q

splenius capitis insertion

A

mastoid process and superior nuchal line

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55
Q

splenius capitis action

A

Bilaterally: extends head Unilaterally: laterally flexes the neck and head, rotates head ipsilaterally

56
Q

splenius capitis innervation

A

dorsal primary rami of spinal nerves C2-C6

57
Q

splenius capitis artery

A

occipital a; deep cervical a.

58
Q

splenius cervicis origin

A

Spinous process of T3-T6

59
Q

splenius cervicis insertion

A

posterior tubercles of the transverse processes of C1-C3 vertebrae

60
Q

splenius cervicis action

A

Bilaterally: extends head Unilaterally: laterally flexes the neck and head, rotates head ipsilaterally

61
Q

splenius cervicis innervation

A

dorsal primary rami of spinal nerves C2-C6

62
Q

splenius cervicis artery

A

occipital a; deep cervical a

63
Q

trapezius orgin

A

medial third of the superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of vertebrae C7-T12

64
Q

trapezius insertion

A

lateral third of the clavicle, medial side of the acromion and the upper crest of the scapular spine, tubercle of the scapular spine

65
Q

trapezius action

A

elevates (upper fibers) and depresses (lower fibers) the scapula ; rotates the scapula superiorly; retracts scapula

66
Q

trapezius innervation

A

motor: spinal accessory (XI), proprioception: C3-C4

67
Q

trapezius artery

A

transverse cervical a.; posterior intercostal a

68
Q

latissimus dorsi origin

A

vertebral spines from T7 to the sacrum, posterior third of the iliac crest, lower 3 or 4 ribs, sometimes from the inferior angle of the scapula

69
Q

latissimus dorsi insertion

A

floor of the intertubercular groove

70
Q

latissimus dorsi action

A

extends the arm and rotates the arm medially

71
Q

latissimus dorsi innervation

A

thoracodorsal nerve (C7,8) from the posterior cord of the brachial plexus

72
Q

latissimus dorsi artery

A

thoracodorsal a., dorsal perforating branches of 9th, 10th and 11th posterior intercostal, subcostal and first three lumbar arteries

73
Q

rhomboid major origin

A

spines of vertebrae T2-T5

74
Q

rhomboid major insertion

A

medial border of the scapula inferior to the spine of the scapula

75
Q

rhomboid major action

A

retracts, elevates and rotates the scapula inferiorly

76
Q

rhomboid major innervation

A

dorsal scapular nerve (C5)

77
Q

rhomboid major artery

A

dorsal scapular a.

78
Q

rhomboid minor origin

A

inferior end of the ligamentum nuchae, spines of vertebrae C7 and T1

79
Q

rhomboid minor insertion

A

medial border of the scapula at the root of the spine of the scapula

80
Q

rhomboid minor action

A

retracts, elevates and rotates the scapula inferiorly

81
Q

rhomboid minor innervation

A

dorsal scapular nerve (C5)

82
Q

rhomboid minor artery

A

dorsal scapular a

83
Q

serratus posterior superior origin

A

nuchal ligament, spinous process of C7-T3 vertebra

84
Q

serratus posterior superior insertion

A

superior borders of ribs 2-5

85
Q

serratus posterior superior action

A

elevate ribs, proprioception

86
Q

serratus posterior superior innervation

A

anterior primary rami

87
Q

serratus posterior superior artery

A

posterior intercostal a.

88
Q

serratus posterior inferior origin

A

spinous process of T11-L2 vertebra

89
Q

serratus posterior inferior insertion

A

inferior borders of ribs 9-12

90
Q

serratus posterior inferior action

A

depress ribs, proprioception

91
Q

serratus posterior inferior innervation

A

anterior primary rami

92
Q

serratus posterior inferior artery

A

posterior intercostal a

93
Q

Levator scapulae origin

A

transverse process of C1-C4 vertebra

94
Q

levator scapulae insertion

A

medial boder of scapula - spine to the superior angle

95
Q

levator scapulae action

A

elevates scapula medially, inferiorly rotates glenoid cavity by rotating scapula

96
Q

levator scapulae innervation

A

dorsal scapular nerve (C5)

97
Q

levator scapulae artery

A

dorsal scapular a.

98
Q

diaphragm origin

A

xiphoid process, costal margin, fascia over the quadratus lumborum and psoas major mm.(lateral & medial arcuate ligaments), left and right crus, vertebral bodies L1-L3

99
Q

diaphragm insertion

A

central tendon of the diaphragm

100
Q

diaphragm action

A

pushes the abdominal viscera inferiorly, increasing the volume of the thoracic cavity (inspiration)

101
Q

diaphragm innervation

A

phrenic nerve (C3-C5)

102
Q

diaphragm artery

A

musculophrenic a., pericardiophrenic a., superior phrenic a., inferior phrenic a.

103
Q

External intercostal origin

A

lower border of ribs

104
Q

external intercostal insertion

A

upper border of the ribs below

105
Q

external intercostal action

A

elevates ribs during forced inspiration

106
Q

external intercostal innervation

A

intercostal nerves

107
Q

external intercostal artery

A

anterior and posterior intercostal a., musculophrenic a., costocervical trunk branches

108
Q

innermost intercostal origin

A

lower border of ribs

109
Q

innermost intercostal insertion

A

upper border of the ribs below

110
Q

innermost intercostal action

A

lowers ribs in forced expiration

111
Q

innermost intercostal innervation

A

intercostal nerves

112
Q

innermost intercostal artery

A

anterior and posterior intercostal a., musculophrenic a., costocervical trunk branches

113
Q

internal intercostal origin

A

lower border of ribs

114
Q

internal intercostal insertion

A

upper border of the ribs below

115
Q

internal intercostal action

A

lowers ribs in forced expiration

116
Q

internal intercostal innervation

A

intercostal nerves

117
Q

internal intercostal artery

A

anterior and posterior intercostal a., musculophrenic a., costocervical trunk branches

118
Q

transverse thoracis origin

A

posterior surface of the sternum

119
Q

transverse thoracis insertion

A

inner surfaces of costal cartilages 2-6

120
Q

transversus thoracis action

A

depresses the ribs

121
Q

transversus thoracis innervation

A

intercostal nerves

122
Q

transversus thoracis artery

A

anterior intercostal a, internal thoracic a

123
Q

serratus anterior origin

A

lateral part of ribs 1-8

124
Q

serratus anterior insertion

A

medial border of scapula

125
Q

serratus anterior action

A

protract the scapula, holds scapula against thoracic wall

126
Q

serratus anterior innervation

A

long thoracic nerve (C5-7)

127
Q

serratus anterior artery

A

lateral thoracic a

128
Q

pectoralis major origin

A

medial half of clavicle, sternum, superior six costal cartilages, aponeurosis of external oblique m.

129
Q

pectoralis major insertion

A

lateral lip - intertubercular sulcus of humerus

130
Q

pectoralis major action

A

flexion, medial rotation and adduction of humerus

131
Q

pectoralis major innervation

A

medial (C8, T1) and lateral pectoral nerve (C5-7)

132
Q

pectoralis major artery

A

pectoral branch of thoracoacromial a

133
Q

pectoralis minor origin

A

ribs 3-5 near their costal cartilage

134
Q

pectoralis minor insertion

A

coracoid process of scapula

135
Q

pectoralis minor action

A

pull the scapula inferiorly and anteriorly against thoracic wall

136
Q

pectoralis minor innervation

A

medial pectoral nerve (C8, T1)

137
Q

pectoralis minor artery

A

pectoral branch of thoracoacrominal a

Unit 1 Muscle Chart (1 decks)

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