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Anatomy > Lab Muscles > Flashcards

Lab Muscles Flashcards

1
Q

trapezius proximal attachment

A

medial 1/3 of superior nuchal lne
external occiptal protuberance
ligamentum nuchae
c7-t12 spinous process

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2
Q

trapezius distal attachment

A

lateral 1/3 of clavicle
acromion
scapular spine

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3
Q

trapezius action

A

elevates, depresses, retracts scapula
rotates glenoid fossa superiorly
steadies scapula to thoracic wall
unilaterally flexes to the same side

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4
Q

trapezius innervation

A

CN XI (motor)
c3
c4 (pain and proprioception)

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5
Q

trapezius blood supply

A

transverse cervical artery

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6
Q

latissimus dorsi proximal attachment

A

t7 - t12 spinous processes
thoracolumbar fascia
inferior scapular angle
ribs 9-12

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7
Q

latissimus dorsi distal attachment

A

floor of inter tubercular groove (humerus)

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8
Q

latissimus dorsi action

A

etends, adducts, medially rotates shoulder

raises body toward arms during climbing

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9
Q

latissimus dorsi innervation

A

c6-c8

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10
Q

latissimus dorsi supply

A

thoracodorsal artery

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11
Q

levator scapulae proximal attachment

A

c1-c4 transverse processes

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12
Q

levator scapulae distal attachment

A

superior angle of scapula

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13
Q

levator scapulae action

A

elevates scapula,
rotates glenoid fossa inferiorly
unilaterally flexes neck to same side

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14
Q

levator scapulae innervation

A

c5, c3,c4

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15
Q

levator scapulae blood supply

A

dorsal scapular artery

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16
Q

rhomboid major proximal attachment

A

t2-t5 spinous processes

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17
Q

rhomboid major distal attachment

A

medial border of scapula (below scapular spine)

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18
Q

rhomboid major action

A

retracts scapula
rotates glenoid fossa inferiorly
steadies scapula to thoracic wall

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19
Q

rhomboid major innervation

A

c5

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20
Q

rhomboid major blood supplu

A

dorsal scapular artery

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21
Q

rhomboid minor proximal attachment

A

ligamentum nuchae

c7-t1 spinous processes

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22
Q

rhomboid minor distal attachment

A

medial border of scapula (at root of scapular spine)

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23
Q

rhomboid minor action

A

elevates scapula and unilaterally inclines neck to same side
retracts scapula
rotates glenoid fossa inferiorly
steadies scapula to thoracic wall

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24
Q

rhomboid minor innervation

A

c5

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25
Q

rhomboid minor blood supply

A

dorsal scapular artery

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26
Q

serraruts posterior superior proximal attachment

A

ligamentum nuchae

c7-t3 spinous processes

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27
Q

serratus posterior superior distal attachment

A

ribs 2-4

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28
Q

serratus posterior superior action

A

proprioception

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29
Q

serratus posterior superior innervation

A

anterior rami t2-t5 thoracic spinal n

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30
Q

serratus posterior superior bloody supply

A

intercostal aa

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31
Q

serratus posterior inferior proximal attachment

A

t11-l2 spinous processes

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32
Q

serratus posterior inferior distal attachment

A

ribs 8-12

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33
Q

serratus posterior inferior action

A

proprioception

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34
Q

serratus posterior inferior bloody supply

A

intercostal aa
subcostal artery
lumbar aa

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35
Q

Splenius cervicis proximal attachment

A

T3-t6 spinous processes

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36
Q

Splenius cervicis distal attachment

A

C1 -c3 transverse processes

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37
Q

Splenius cervicis action

A

Bilaterally extend neck

Unilaterally flexes and rotates neck to same side

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38
Q

Splenius cervicis innervation

A

Posterior rami of spinal nerves

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39
Q

Splenius cervicis blood supply

A

Occipital, transverse cervical, and intercostal aa

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40
Q

Splenius capitis proximal attachment

A

Ligamentum nuchae,

C7 to t4 spinous processes

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41
Q

Splenius capitis distal attachment

A

Mastoid processes

Lateral 1/3 superior nucal line

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42
Q

Splenius capitis action

A

Bilaterally extends neck

Unilaterally flexes and rotates neck to same side

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43
Q

Splenius capitis innervation

A

Posterior rami of spinal nerves

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44
Q

Splenius capitis blood supply

A

Occipital and transverse cervical aa

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45
Q

Iliocostalis proximal attachment

A

Broad tendon from iliac crest, sacrum, lumbar and lower thoracic spinous processes

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46
Q

Iliocostalis distal attachment

A

Angles of lower ribs and cervical transverse processes

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47
Q

Iliocostalis action

A

Bilaterally extend spine / head

Unilaterally flexes spine / head to same side

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48
Q

Iliocostalis innervation

A

Segmentally innervated by posterior rami of spinal nn

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49
Q

Iliocostalis blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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50
Q

Iliocostalis sections

A

Lumborum
Thoracis
Cervicis

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51
Q

Longgissimus sections

A

Thoracis
Cervicis
Capitis

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52
Q

Longissimus proximal attachment

A

Thoracic and cervical transverse processes

Mastoid processes

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53
Q

Longissimus action

A

Bilaterally extend spine / head

Unilaterally flexes spine / head to same side

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54
Q

Longissimus innervation

A

Segmentally innervated by posterior rami of spinal nn

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55
Q

Longissimus blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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56
Q

Spinalis sections

A

Thoracis

Cervicis

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57
Q

Spinalis proximal attachment

A

Broad tendon from iliac crest, sacrum, lumbar and lower thoracic spinous processes

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58
Q

Spinalis distal attachment

A

Thoracic and cervical spinous processes

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59
Q

Spinalis action

A

Bilaterally extend spine/head

Unilaterally flexes spine/ head to same side

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60
Q

Spinalis innervation

A

Segmentally innervated by posterior rami of spinal nn

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61
Q

Spinalis blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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62
Q

Semi spinalis sections

A

Thoracis
Cervicis
Capitis

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63
Q

Semi spinalis proximal attachment

A

C4-c6 articular processes

T7-t12 transverse processes

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64
Q

Semi spinalis distal attachment

A

Occipital and spinous processes of superior vertebrae spanning 4-6 segments

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65
Q

Semi spinalis action

A

Bilaterally extends spine, unilaterally flexes spine to same side and rotates to opposite side

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66
Q

Semi spinalis innervation

A

Segmentally innervated by posterior rami of spinal nerves

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67
Q

Semisplinalis blood supply

A

Segmentally supplied by deep cervical, intercostal and subcostal and lumbar aa.

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68
Q

Semi spinalis spans how many segments

A

4-6

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69
Q

Multi Fido’s spans how many segments

A

2-4

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70
Q

Rotatores span how many segments

A

1-2

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71
Q

Multifidus proximal attachment

A

Sacrum, ilium, mammillary, transverse, and articular processes

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72
Q

Multifidus distal attachment

A

C2 spinous processes of superior vertebrae

Spans 2-4 segments

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73
Q

Multifidus action

A

Bilaterally extends spine

Unilaterally flexes spine to same side and rotates to opposite side

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74
Q

Multifidus innervation

A

Segmentally innervated by posterior rami of spinal nerves

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75
Q

Multifidus blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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76
Q

Rotatores

A

T1-t12 transverse processes

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77
Q

Rotatores distal attachment

A

Between laminate and spinous processes of superior vertebrae

Spans 1-2 segments

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78
Q

Rotatores action

A

Bilaterally extends spine,

Unilaterally flexes spine to same side and rotates to opposite side

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79
Q

Rotatores innervation

A

Segmentally innervated by posterior rami of spinal nerves

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80
Q

Rotatores blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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81
Q

Inter spinalis sections

A

Cervicis
Thoracis
Lumborum

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82
Q

Interspinales attachments

A

Traverse between adjacent spinous processes c1-l5

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83
Q

Interspinales action

A

Assists in extension of the spine

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84
Q

Interspinales innervation

A

Posterior rami of spinal nerves

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85
Q

Interspinales blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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86
Q

Intertransversarii sections

A

Cervicis
Thoracis
Lumborum

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87
Q

Intertransversarii attachments

A

Traverse between adjacent transverse processes c2-l5

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88
Q

Intertransversarii action

A

Bilaterally stabilizes spine

Unilaterally assists in lateral flexion

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89
Q

Intertransversarii innervation

A

Anterior and posterior rami of spinal nerves

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90
Q

Intertransversarii blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa

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91
Q

Lavatories costarum sections

A

Longus

Brevis

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92
Q

Lavatories costarum attachment

A

C7 - t11 transverse processes to subadjacent rib or two ribs below nears angle

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93
Q

Lavatories costarum action

A

Bilaterally elevates ribs and slightly extends thoracic spine
Unilaterally flexes spine to same side and rotates it to the opposite side

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94
Q

Levatores costarum innervation

A

Posterior rami of spinal nerves

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95
Q

Levatores costarum blood supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa

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96
Q

Rectus capitis posterior major proximal attachment

A

C2 spinous processes

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97
Q

Rectus capitis posterior major distal attachment

A

Lateral inferior nuchal line

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98
Q

Rectus capitis posterior major innervation

A

Suboccipital nerve (posterior ramus of c1)

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99
Q

Rectus capitis posterior major blood supply

A

Vertebral and occipital aa

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100
Q

Rectus capitis posterior minor distal attachment

A

Medial inferior nuchal line

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101
Q

Rectus capitis posterior minor innervation

A

Suboccipital nerve (posterior ramus of c1)

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102
Q

Rectus capitis posterior minor blood supply

A

Vertebral and occipital aa

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103
Q

Obliquus capitis superior proximal attachment

A

C1 transverse processes

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104
Q

Obliquus capitis distal attachment

A

Between superior and inferior nuchal line

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105
Q

Obliquus capitis superior action

A

Bilaterally extends head

Unilaterally tilts head to same side and rotates it to the opposite side

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106
Q

Obliquus capitis superior supply

A

Vertebral and occipital aa

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107
Q

Obliquus capitis inferior proximal attachment

A

C2 spinous processes

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108
Q

Obliquus capitis inferior distal attachment

A

C1 transverse processes

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109
Q

Obliquus capitis inferior action

A

Bilaterally extends head

Unilaterally rotates head to same side

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110
Q

Obliquus capitis inferior innervation

A

Suboccipital nerve (posterior ramus of c1)

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111
Q

Obliquus capitis inferior blood supply

A

Vertebral and occipital aa

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112
Q

Pectoralis major proximal attachment

A

Medial clavicle
Sternum
Costal cartilages 1-6

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113
Q

Pectoralis major distal attachment

A

Greater tuberosity of humerus

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114
Q

Pectoralis major action

A

Adduction
Medial rotation
Flexion

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115
Q

Pectoralis major innervation

A

Medial and lateral pectoral nerve

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116
Q

Pectoralis major blood supply

A

Thoracoacromial and lateral thoracic a

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117
Q

Pectoralis minor proximal attachment

A

Ribs 3-5

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118
Q

Pectoralis minor distal attachment

A

Coracoid process of scapula

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119
Q

Pectoralis minor action

A

Draws scapula downward,
rotates glenoid inferiority
Assists in respiration

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120
Q

Pectoralis minor innervation

A

Medial pectoral n

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121
Q

Pectoralis minor

A

Thoracoacromial and lateral thoracic a

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122
Q

Subclavian proximal attachment

A

1st rib

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123
Q

Subclavius distal attachment

A

Inferior clavicle

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124
Q

Subclavius action

A

Steadies sternoclavicular joint

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125
Q

Subclavius innervation

A

N to subclavius

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126
Q

Subclavius blood supply

A

Thoracoacromial a

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127
Q

External intercostal attachments

A

Courses inferno anteriorly from rib tubercle to costochondral joint

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128
Q

External intercostal action

A

Elevates ribs (inspiration)

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129
Q

External intercostal innervation

A

1-11th intercostal nn (anterior rami of thoracic spinal nn)

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130
Q

External intercostal blood supply

A

Intercostal aa

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131
Q

Internal intercostal attachments

A

Courses supers-anteriorly from costal angle to sternum

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132
Q

Internal intercostal action

A

Interosseous part: depresses ribs during expiration

Interchondral part: elevates costal cartilages during inhalation

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133
Q

Internal intercostal innervation

A

1-11th intercostal nn (anterior rami of thoracic spinal nn)

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134
Q

Internal intercostal blood supply

A

Intercostal aa

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135
Q

Innermost intercostal attachments

A

Courses supero-anteriorly along the lateral surface of the thoracic wall

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136
Q

Innermost intercostal action

A

Depresses ribs during expiration

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137
Q

Innermost intercostal action

A

Depresses ribs during expiration

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138
Q

Innermost intercostal innervation

A

1-11th intercostal nn (anterior rami of thoracic spinal nn)

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139
Q

Innermost intercostal blood supply

A

Intercostal aa

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140
Q

Subcostal attachments

A

Course from lower margin of rib to inner surface of rubs 2 to 3 below
(Fibers blend with innermost intercostal m)

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141
Q

Subcostal action

A

Depresses ribs during expiration

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142
Q

Subcostal innervation

A

12th thoracic spinal n

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143
Q

Subcostal blood supply

A

Subcostal a

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144
Q

Trans versus thoracis attachments

A

Inner surface of sternum to inner surface of ribs 2-6

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145
Q

Trans versus thoracis action

A

Weakly depresses ribs for expiration

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146
Q

Transversus thoracis innervation

A

2-6th thoracic spinal nerves

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147
Q

Transversus thoracis blood supply

A

Intercostal aa

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148
Q

Anterior scalene proximal attachment

A

Transverse processes c3-c6

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149
Q

Anterior scalene distal attachment

A

1st rib - anterior scalene tubercle

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150
Q

Anterior scalene action

A

Raises ribs 1&2 - deep respiration
Bilaterally flexes neck,
Unilaterally bends neck to same side

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151
Q

Anterior scalene innervation

A

Anterior rami c3-c8

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152
Q

Anterior scalene blood supply

A

Ascending cervical artery (branch of subclavian artery)

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153
Q

Middle scalene proximal attachment

A

Transverse processes c3-c7

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154
Q

Middle scalene distal attachment

A

1st rib (posterior scalene tubercle)

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155
Q

Middle scalene action

A

Raises ribs 1 &2 - deep inspiration
Bilaterally flexes neck
Unilaterally bends neck to same side

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156
Q

Middle scalene innervation

A

Anterior rami c3-c8

157
Q

Middle scalene blood supply

A

Ascending cervical artery (branch of subclavian a)

158
Q

Posterior scalene proximal attachment

A

Transverse processes of c5-c7

159
Q

Posterior scalene distal attachment

A

2nd rib

160
Q

Posterior scalene action

A

Raises ribs 1 &2 - deep inspiration
Bilaterally flexes neck
Unilaterally bends neck to same side

161
Q

Posterior scalene innervation

A

Anterior rami c3-c8

162
Q

Posterior scalene blood supply

A

Ascending cervial artery (branch of subclavian a )

163
Q

Deltoid proximal attachment

A

Lateral 1/3 clavicle,
acromion,
scapular spine

164
Q

Deltoid distal attachment

A

Deltoid tuberosity of humerus

165
Q

Deltoid action

A 
Flexion
Medial rotation
Adduction
Abduction
Extension
Lateral rotation
166
Q

Deltoid innervation

A

Axillary nerve

167
Q

Deltoid blood supply

A

Posterior circumflex numeral a

168
Q

Teres major proximal attachment

A

Inferior angle of scapula

169
Q

Teres major distal attachment

A

Crest of lesser tubercle of humerus

170
Q

Teres major action

A

Medial rotation
Adduction
Extension

171
Q

Teres major innervation

A

Lower subscapular nerve

172
Q

Teres major blood supply

A

Subscapular artery

173
Q

Supraspinatus proximal attachment

A

Supraspinatus fossa of scapula

174
Q

Supraspinatus distal attachment

A

Greater tubercle of humerus

175
Q

Supraspinatus action

A

Abduction

176
Q

Supraspinatus innervation

A

Suprascapular nerve

177
Q

Supraspinatus blood supply

A

Suprascapular a

178
Q

Infraspinatus proximal attachment

A

Infraspinatus fossa of scapula

179
Q

Infraspinatus distal attachment

A

Greater tubercle of humerus

180
Q

Infraspinatus action

A

Lateral rotation

181
Q

Infraspinatus innervation

A

Suprascapular n

182
Q

Infraspinatus blood supply

A

Suprascapular a

183
Q

Teres minor proximal attachment

A

Lateral border of scapula

184
Q

Teres minor distal attachment

A

Greater tubercle of humerus

185
Q

Teres minor action

A

Lateral rotation

Weak adduction

186
Q

Teres minor innervation

A

Axillary nerve

187
Q

Teres minor blood supply

A

Circumflex scapular a

188
Q

Subscapularis proximal attachment

A

Subscapular fossa of scapula

189
Q

Subscapularis distal attachment

A

Lesser tubercle of humerus

190
Q

Subscapularis action

A

Medial rotation

191
Q

Subscapularis innervation

A

Subscapular n

192
Q

Subscapularis blood supply

A

Subscapular a

193
Q

Triceps brachii proximal attachment

A

Infraglenoid tubercle

Posterior humerus

194
Q

Triceps brachii distal attachment

A

Olecranon on ulna

195
Q

Triceps brachii action

A

Elbow extension

Shoulder extension and adduction

196
Q

Triceps brachii innervation

A

Radial n

197
Q

Triceps brachii blood supply

A

Deep brachial a

198
Q

Anconeus proximal atachment

A

Lateral epicondyle of humerus

199
Q

Anconeous distal attachment

A

Olecranon of ulna

200
Q

Anconeus action

A

Extends elbow and tightens joint

201
Q

Anconeus innervation

A

Radial nerve

202
Q

Anconeous blood supply

A

Deep brachial a

203
Q

Biceps brachii proximal attachment

A

Supra glenoid tubercle of scapula (long head)

Coracoid process of scapula (short head)

204
Q

Biceps brachii distal attachment

A

Radial tuberosity

205
Q

Biceps brachii action

A

Elbow flexion and supination
Shoulder flexion
Abduction and medial rotation

206
Q

Biceps brachii innervation

A

Musculocutaneous nerve

207
Q

Biceps brachii blood supply

A

Brachial a

208
Q

Brachialis proximal attachment

A

Distal 1/2 anterior humerus

209
Q

Brachialis distal attachment

A

Ulnar tuberosity

210
Q

Brachialis action

A

Elbow flexion

211
Q

Brachialis innervation

A

Musculocutaneous n

Radial n

212
Q

Brachialis blood supply

A

Brachial a

213
Q

Coracobrachialis proximal attachment

A

Coracoid process of scapula

214
Q

Coracobrachialis distal attachment

A

Crest of lesser tubercle of humerus

215
Q

Coracobrachialis action

A

Flexion
Adduction
Medial rotation

216
Q

Coracobrachialis innervation

A

Musculocutaneous n

217
Q

Coracobrachialis blood supply

A

Brachial a

218
Q

Pronation teres proximal attachment

A

Medial epicondyles

Corona I’d process

219
Q

Pronation teres distal attachment

A

Lateral radius

220
Q

Pronation teres action

A

Weak elbow flexion

Forearm pronation

221
Q

Pronation teres innervation

A

Median nerve

222
Q

Pronation teres blood supply

A

Anterior ulnar recurrent artery

223
Q

Flexor carpi radialis proximal attachment

A

Medical epicondyle of humerus

224
Q

Flexor carpi radialis distal attachment

A

Base mc 2

225
Q

Flexor carpi radialis action

A

Wrist flexion and abduction

226
Q

Flexor carpi radialis innervation

A

Median n

227
Q

Flexor carpi radialis bloo dsupply

A

Radial artery

228
Q

Palmaris longus proximal attachment

A

Medial epicondyle of humerus

229
Q

Palmaris longus distal attachment

A

Palmar aponeurosis

230
Q

Palmaris longus action

A

Weak elbow flexion

Tightens palmar aponeurosis

231
Q

Palmaris longus innervation

A

Median n

232
Q

Palmaris longus blood supply

A

Posterior ulnar recurrent artery

233
Q

Flexor carpi ulnaris proximal attachment

A

Medial epicondyle of humerus

Olecranon

234
Q

Flexor carpi ulnaris distal attachment

A

Pisiform
Hook of hamate
Base of mc 5

235
Q

Flexor carpi ulnaris action

A

Wrist flexion and adduction

236
Q

Flexor carpi ulnaris innervation

A

Ulnar n

237
Q

Flexor carpi ulnaris blood supply

A

Posterior ulnar recurrent artery

238
Q

Flexor digitorum superficialis proximal attachment

A

Medial epicondyle of humerus and proximal radius

239
Q

Flexor digitorum superficialis distal attachment

A

Middle phalanges 2-5

240
Q

Flexor digitorum action

A

Weak elbow flexion
Wrist flexion
Mcp ppip flexion digits 2-5

241
Q

Flexor digitorum superficialis innervation

A

Median n

242
Q

Flexor digitorum superficialis blood supply

A

Radial and ulnar aa

243
Q

Flexor digitorum profundus proximal attachment

A

Proximal 2/3 ulna and interosseous membrane

244
Q

Flexor digitorum profundus distal attachment

A

Distal phalanges of digits 2-5

245
Q

Flexor digitorum profundus action

A

Wrist flexion

Flexion of digits 2-5

246
Q

Flexor digitorum profundus innervation

A

Median and ulnar nn

247
Q

Flexor digitorum profundus blood supply

A

Ulnar a

248
Q

Flexor polices longus proximal attachment

A

Radius and interosseous membrane

249
Q

Flexor pollicis longus distal attachment

A

Distal phalanx digit 1

250
Q

Flexor pollicis longus innervation

A

Median n

251
Q

Flexor pollicis longus blood supply

A

Ulnar a

252
Q

Pronation quadratics proximal attachment

A

Distal 1/4 ulnar

253
Q

Pronation quadratics distal atachment

A

Distal 1/4 radius

254
Q

Pronation quadratus action

A

Hand pronation

255
Q

Pronation quadratus innervation

A

Median n

256
Q

Pronator quadratus blood supply

A

Ulnar a

257
Q

Adductor pollicis sections

A

Transverse and oblique

258
Q

Adductor pollicis attachements

A

Mc3, capitate

Base of proximal phalanx digit 1

259
Q

Adductor pollicis action

A

Adduction of thumb

Flexion of digit 1

260
Q

Adductor pollicis innervation

A

Ulnar nerve

261
Q

Adductor pollicis blood supply

A

Deep palmar arch

262
Q

Abductor pollicis brevis attachments

A

Scaphoid, trapeze, flexor retinaculum

Base of proximal phalanx digit 1

263
Q

Abductor pollicis brevis action

A

Abduction thumb/ digit 1

264
Q

Abductor pollicis brevis innervation

A

Recurrent branch of median nerve

265
Q

Abductor pollicis brevis blood supply

A

Superficial palmar branch of radial artery

266
Q

Flexor pollicis brevis attachments

A

Flexor retinaculum, capitate, trapezium

Base of digit 1

267
Q

Flexor pollicis brevis action

A

Flexion of digit 1

268
Q

Flexor pollicis brevis innervation

A

Median and ulnar nerve

269
Q

Flexor pollicis brevis blood supply

A

Superficial palmar branch of the radial artery

270
Q

Opponens pollicis attachments

A

Trapezium

Mc 1

271
Q

Opponens pollicis action

A

Opposition of cmc digit 1

272
Q

Opponens pollicis innervation

A

Recurrent branch of the median nerve

273
Q

Opponens pollicis blood supply

A

Superficial palmar branch of radial artery

274
Q

Opponens digiti minimi attachments

A

Hook of hamate, flexor retinaculum

Mc5

275
Q

Opponens digiti minimi action

A

Draws mc within palm during opposition

276
Q

Opponens digiti minimi innervation

A

Ulnar nerve

277
Q

Opponens digiti minimi blood supply

A

Deep palmar branch and deep carpal branch of ulnar nerve

278
Q

Flexor digiti minimi brevis attachments

A

Hook of hamate, flexor retinaculum

Base of proximal phalanx digit 5

279
Q

Flexor digiti minimi brevis action

A

Flexion of digit 5

280
Q

Flexor digiti minimi innervation

A

Ulnar nerve

281
Q

Flexor digiti minimi brevis blood supply

A

Deep palmar branch

Deep carpal branch of ulnar artery

282
Q

Abductor digiti minimi attachments

A

Pisiform

Proximal phalanx and digit 5

283
Q

Abductor digiti minimi action

A

Flexion and abduction of mcp of digit 5

Extension of pip and dip of digit 5

284
Q

Abductor digiti minimi innervation

A

Ulnar nerve

285
Q

Abduction digiti minimi blood supply

A

Deep palmar br and deep Cara pal br of ulnar a

286
Q

Palmaris brevis attachments

A

Palmar aponeurosis

Skin of hypothecate eminence

287
Q

Palmaris brevis action

A

Tightens palmar aponeurosis

288
Q

Palmaris brevis innervation

A

Ulnar nerve

289
Q

Palmaris brevis blood supply

A

Superficial palmar arch

290
Q

1st lumbrical attachments

A

Flexor digitorum profundus tendon

2nd dorsal digital expansion

291
Q

1st lumbrical action

A

Flexion of mcp digits 2-5

Extension of proximal and distal is digits 2-5

292
Q

1st lumbrical innercation

A

Median nerve

293
Q

1st lumbrical blood supply

A

Deep palmar arch

294
Q

2nd lumbrical attachments

A

Flexor digitorum profundus tendon

3rd dorsal digital expansion

295
Q

2nd lumbrical action

A

Flexion of mcp digits2-5

Extension of proximal and distal is digits 2-5

296
Q

2nd lumbrical innervation

A

Median nerve

297
Q

2nd lumbrical blood supply

A

Deep palmar arch

298
Q

3rd lumbrical attachments

A

Flexor digitorum profundus tendon

4th dorsal digital expansion

299
Q

3rd lumbrical action

A

Flexion of mcp digits 2-5

Extension of proximal and distal digits 2-5

300
Q

3rd lumbrical innervation

A

Ulnar nerve

301
Q

3rd lumbrical blood supply

A

Deep palmar arch

302
Q

4th lumbrical attachment

A

Flexor digitorum profundus tendon

5th dorsal digital expansion

303
Q

4th lumbrical action

A

Flexion of mcp digits 2-5

Extension of proximal and distal is digits 2-5

304
Q

4th lumbricals innervation

A

Ulnar nerve

305
Q

4th lumbrical blood supply

A

Deep palmar arch

306
Q

1st palmar interossei attachment

A

Mc2 ulnar side

2nd dorsal digital expansion and base of proximal phalanx 2

307
Q

1st palmar interossei action

A

Flexion of mcp digits 2,4,5

Extension and adduction of proximal and distal is digits toward digit 3

308
Q

1st palmar interossei innervation

A

Ulnar nerve

309
Q

1st palmar interossei blood supply

A

Deep palmar arch

310
Q

2nd palmar interossei attachment

A

Mc 4 radial side

4th dorsal digital expansion and base of proximal phalanx 4

311
Q

2nd palmar interossei action

A

Flexion of mcp digits 2,4,5

Extension and adduction of proximal and distal is digits toward digit 3

312
Q

2nd palmar interossei innervation

A

Ulnar nerve

313
Q

2nd palmar interossei blood supply

A

Deep palmar arch

314
Q

3rd palmar interossei attachment

A

Mc 5 radial side

5th dorsal digital expansion and base of proximal phalanx 5

315
Q

3rd palmar interossei action

A

Flexion of mcp digits 2,4,5

Extension and adduction of proximal and distal is digits toward digit 3

316
Q

3rd palmar interossei innervation

A

Ulnar nerve

317
Q

3rd palmar interossei blood supply

A

Deep palmar arch

318
Q

1st dorsal interossei attachments

A

Mc 1 and 2

2nd dorsal digital expansion and radial side of proximal phalanx 2

319
Q

1st dorsal interossei action

A

Flexion of mcp digits 2-4

Extension and abduction of proximal and distal is digits away from digit 3

320
Q

1st dorsal interossei innervation

A

Ulnar nerve

321
Q

1st dorsal interossei blood supply

A

Deep palmar arch

322
Q

2nd dorsal interossei attachments

A

Mc 2 and 3

3rd dorsal digital expansion and radial side of proximal phalanx 3

323
Q

2nd dorsal interossei action

A

Flexion of mcp digits 2-4

Extension and abduction of proximal and distal is digits away from digit 3

324
Q

2nd dorsal interossei innervation

A

Ulnar nerve

325
Q

2nd dorsal interossei blood supply

A

Deep palmar arch

326
Q

3rd dorsal interossei attachments

A

Mc 3 and 4

3rd dorsal digital expansion and ulnar side of proximal phalanx 3

327
Q

3rd dorsal interossei action

A

Flexion of mcp digits 2-4

Extension and abduction of proximal and distal is digits away from digit 3

328
Q

3rd dorsal interossei innervation

A

Ulnar nerve

329
Q

3rd dorsal interossei blood supply

A

Deep palmar arch

330
Q

4th dorsal interossei attachment

A

Mc 4 and 5

4th dorsal digital expansion and ulnar side of proximal phalanx 4

331
Q

4th dorsal interossei action

A

Flexion of mcp digits 2-4

Extension and abduction of proximal and distal is digits away from digit 3

332
Q

4th dorsal interossei innervation

A

Ulnar nerve

333
Q

4th dorsal interossei blood supply

A

Deep palmar arch

334
Q

Brachioradialis proximal attachment

A

Distal humerus

335
Q

Brachioradialis distal attachment

A

Styloid process (radius)

336
Q

Brachioradialis action

A

Elbow flexion, forearm pronation

337
Q

Brachioradialis innervation

A

Radial nerve

338
Q

Brachioradialis blood supply

A

Radial recurrent artery

339
Q

Extensor carpi radialis longus proximal attachment

A

Lateral supracondylar ridge of humerus

340
Q

Extensor carpi radialis longus distal attachment

A

Base of mc 3

341
Q

Extensor carpi radialis longus action

A

Weak elbow flexion

Wrist extension and abduction

342
Q

Extensor carpi radialis longus innervation

A

Radial nerve

343
Q

Extensor carpi radialis longus blood supply

A

Radial recurrent and radial aa

344
Q

Extensor carpi radialis brevis proximal attachment

A

Lateral epicondyle

345
Q

Extensor carpi radialis brevis distal attachment

A

Base of mc 3

346
Q

Extensor carpi radialis brevis action

A

Weak elbow flexion

Wrist extension and abduction

347
Q

Extensor carpi radialis brevis innervation

A

Radial nerve

348
Q

Extensor carpi radialis brevis blood supply

A

Radial recurrent and radial aa

349
Q

Extensor digitorum proximal attachment

A

Lateral epicondyle

350
Q

Extensor digitorum distal attachment

A

Dorsal digital expansion of digits 2-5

351
Q

Extensor digitorum action

A

Wrist extension
Mcp, pip, dip extension digits 2-5
Abduction of fingers

352
Q

Extensor digitorum innervation

A

Radial nerve

353
Q

Extensor digitorum blood supply

A

Posterior interosseous artery

354
Q

Extensor digiti minimi proximal attachment

A

Lateral epicondyle

355
Q

Extensor digiti minimi distal attachment

A

Dorsal digital expansion of digit 5

356
Q

Extensor digiti minimi action

A

Wrist extension and abduction

Mcp, pip, dip extension and abduction of digit 5

357
Q

Extensor digiti minimi innervation

A

Radial nerve

358
Q

Extensor digiti minimi blood supply

A

Posterior interosseous artery

359
Q

Extensor carpi ularis proximal attachment

A

Lateral epicondyle

360
Q

Extensor carpi ulnaris distal attachment

A

Base of mc 5

361
Q

Extensor carpi ulnaris action

A

Wrist extension and adduction

362
Q

Extensor carpi ulnaris action

A

Wrist extension and adduction

363
Q

Extensor carpi ulnaris innervation

A

Radial nerve

364
Q

Extensor carpi ulnaris blood supply

A

Posterior interosseous artery

365
Q

Abductor pollicis longus proximal attachment

A

Posterior radius and ulna

366
Q

Abductor pollicis longus distal attachment

A

Base of mc 1

367
Q

Abductor pollicis longus action

A

Wrist and cmc digit 1 abduction

368
Q

Abductor pollicis longus innervation

A

Radial nerve

369
Q

Abductor pollicis longus blood supply

A

Posterior interosseous artery

370
Q

Extensor pollicis longus proximal attachment

A

Posterior ulna

371
Q

Extensor pollicis longus distal attachmet

A

Base of distal phalanx digit 1

372
Q

Extensor pollicis longus action

A

Wrist extension and abduction
CMC adduction digit 1
Mcp ip extension digit 1

373
Q

Extensor pollicis longus innervation

A

Radial nerve

374
Q

Extensor pollicis longus blood supply

A

Posterior interosseous artery

375
Q

Extensor pollicis brevis proximal attachment

A

Posterior radius

376
Q

Extensor pollicis brevis distal attachment

A

Base of proximal phalanx digit 1

377
Q

Extensor pollicis brevis action

A

Wrist abduction

CMC and mcp extension digit 1

378
Q

Extensor pollicis brevis innervation

A

Radial nerve

379
Q

Extensor pollicis brevis blood supply

A

Posterior rinterosseous artery

380
Q

Extensor Indicis proximal attachment

A

Posterior ulna

381
Q

Extensor indicis distal attachment

A

Posterior digital expansion digit 2

382
Q

Extensor indicis action

A

Wrist extension

Mcp pip dip extension digit 2

383
Q

Extensor indicis innervation

A

Radial nerve

384
Q

Extensor indicis blood supply

A

Posterior interosseous artery

385
Q

Supination proximal attachment

A

Olecranon, lateral epicondyle of humerus

386
Q

Supination distal attachment

A

Proximal radius

387
Q

Supination action

A

Supination

388
Q

Supination innervation

A

Radial nerve

389
Q

Supination blood supply

A

Radial and posterior interosseous arteries

Anatomy (12 decks)

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