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MABS Anatomy - Back > Back Muscles > Flashcards

Back Muscles Flashcards

1
Q

splenius cervicis origin?

A

spinous processes T3-T6

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2
Q

splenius cervicis distal?

A

transverse processes C1-/4

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3
Q

splenius cervicis innervation?

A

posterior rami C4-C6

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4
Q

splenius cervicis artery?

A

occipital and transverse cervical

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5
Q

splenius cervicis action?

A

bilaterally extend and ipsilaterally rotate neck

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6
Q

splenius capitis origin?

A

ligamentum nuchae

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7
Q

splenius capitis distal?

A

spinous process C7- T3/4

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8
Q

splenius capitis innervation?

A

posterior rami C3-C4

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9
Q

splenius capitis artery?

A

deep cervical and occipital

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10
Q

splenius capitis action?

A

bilaterally extend and ipsilaterally rotate neck

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11
Q

spinalis origin

A

common tendinous

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12
Q

spinalis distal

A

spinous process C2, T1-T8, occipital bone

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13
Q

spinalis innervation

A

posterior rami of spinal nerve

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14
Q

spinalis artery

A

lateral sacral

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15
Q

spinalis action

A

unilaterally to laterally flex vertebral column;. bilaterally extend vertebral column and head

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16
Q

longissimus origin

A

common tendinous

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17
Q

longissimus distal

A

lower ribs, transverse processes C2-T12, mastoid process

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18
Q

longissimus innervation

A

posterior rami of spinal nerve

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19
Q

longissimus artery

A

lateral sacral

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20
Q

longissimus action

A

unilateral laterally flex vertebral column; bilateral extend vertebral column & head

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21
Q

iliocostalis origin?

A

iliac crest, lower thoracic and lumbar vertebrae

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22
Q

iliocostalis distal?

A

costal angle of ribs and cervical transverse processes

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23
Q

iliocostalis innervation?

A

posterior rami spinal nerve

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24
Q

iliocostalis artery?

A

intercostal and lumbar

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25
iliocostalis action?
unilaterally:laterally flex vertebral column; bilaterally extend vertebral column & head
26
semispinalis origin?
transverse processes of C4-T10 vertebrae
27
semispinalis distal?
spinous process of C2-T4
28
semispinalis innervation?
posterior rami spinal n
29
semispinalis artery?
occipital and intercostal
30
semispinalis action?
extends and contra laterally rotates head and vertebral column
31
multifidus origin?
sacrum, posterior iliac spine, common tendinous, lumbar vertebrate, transverse process of T1-T3 and articular processes of C4 and C7
32
multifidus distal?
vertebral segments, attaching spinous processes of vertebrae
33
multifidus innervation?
posterior rami spinal nerve
34
multifidus artery?
intercostal and lumbar
35
multifidus action?
stabilizes the vertebral column
36
rotatores origin?
vertebral transverse processes
37
rotatores distal?
lamina and spinous processes of immediately superior vertebrae
38
rotatores innervation?
posterior rami spinal nerve
39
rotatores artery?
occipital, intercostal and lumbar
40
rotatores action?
stabilizes the vertebral column and proprioception
41
trapezius origin?
midline occipital protuberance inferior to T-12
42
trapezius distal?
scapular spine
43
trapezius innervation?
motor: spinal accessory (XI)
44
trapezius artery?
transverse cervical a.
45
trapezius action?
upper fibers - elevate shoulder middle fibers - retract scapula lower fibers - depress scapula
46
latissimus dorsi origin
T7-12 spinous processes, thorocolumbar fascia, iliac crest
47
latissimus dorsi distal
intertubercular groove of humerus
48
latissimus dorsi innervation
thoracodorsal nerve
49
latissimus dorsi artery
thoracodorsal a.
50
latissimus dorsi action
adducts and internally rotates the humerus
51
levator scapulae origin?
transverse processes of C1-C4 vertebrae
52
levator scapulae distal?
medial border of the scapula
53
levator scapulae innervation?
dorsal scapular nerve (C5)
54
levator scapulae artery?
dorsal scapular a.
55
levator scapulae action?
elevates the scapula
56
rhomboideus origin?
nuchal ligament (C7 to inion) and C7-T5 spinous process
57
rhomboideus distal?
medial border of the scapula
58
rhomboideus innervation?
dorsal scapular nerve (C5)
59
rhomboideus artery?
dorsal scapular a.
60
rhomboideus action?
retracts scapula
61
serratus anterior origin?
ribs 1-8
62
serratus anterior distal?
anterior surface of medial border of scapula
63
serratus anterior innervation?
long thoracic nerve
64
serratus anterior artery?
lateral thoracic a.
65
serratus anterior action?
protracts the scapula
66
teres major origin?
lower 1/3 dorsal surface lateral border of scapula
67
teres major distal?
medial side of intertubercular groove of the humerus
68
teres major innervation?
thoracodorsal nerve
69
teres major artery?
subscapular and circumflex scapular
70
teres major action?
adducts and internally rotates the humerus, extends humerus frm flexed position
71
serratus posterior superior origin?
ligamentum nuchae, C7 and T3
72
serratus posterior superior distal?
ribs 2-5
73
serratus posterior superior innervation?
intercostal
74
serratus posterior superior artery?
intercostal arteries
75
serratus posterior superior action?
elevates ribs 2-5
76
serratus posterior inferior origin?
L1-L3
77
serratus posterior inferior distal?
ribs 9-12
78
serratus posterior inferior innervation?
intercostal n
79
serratus posterior inferior artery?
subcostal and lumbar
80
serratus posterior inferior action?
depresses ribs 9-12
81
deltoid origin?
clavicle, acromion process, spine of scapula
82
deltoid distal?
deltoid tuberosity
83
deltoid innervation?
axillary n
84
deltoid artery?
circumflex humeral & axillary
85
deltoid action?
anterior – flex/internally rotates humerus middle – abducts humerus posterior – extends/laterally rotates humerus

MABS Anatomy - Back (1 decks)

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