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Spinal Final Exam > Pg 136-152 Action Innervation etc > Flashcards

Pg 136-152 Action Innervation etc Flashcards

1
Q

Which of the muscles attaching to spinous processes represent layer one of the true back?

A

trapezius, latissimus dorsi

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2
Q

Which of the muscles attaching to spinous processes represent layer two of the true back?

A

rhomboid major and minor

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3
Q

Which of the muscles attaching to the scapula represent layer one of the true back?

A

trapezius

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4
Q

Which of the muscles attaching to the scapula represent layer two of the true back?

A

levator scapulae, rhomboid major and minor

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5
Q

Which of the muscles attaching to the lateral mass of C1 represent layer two of the true back?

A

levator scapulae

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6
Q

Which of the muscles of the true back is innervated by thoracodorsal nerve?

A

latissimus dorsi

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7
Q

What forms the thoracodorsal nerve innervating the latissimus dorsi?

A

ventral rami C6-C8

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8
Q

What forms the dorsal scapular nerve?

A

ventral ramus C5

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9
Q

What part of the vertebra forms the osseous origin for the splenius?

A

spinous process

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10
Q

What is the innervation of the splenius capitis?

A

dorsal rami of middle cervical spinal nerves C3-C5 cord levels

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11
Q

Splenius capitis will attach to what locations on the skull?

A

mastoid process of temporal bone and superior nuchal line of occipital bone

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12
Q

Splenius cervicis will attach to what locations on the spine?

A

lateral mass of C1 and posterior tubercle of transverse process on C1-C4

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13
Q

What is the innervation of the splenius cervicis?

A

dorsal rami of lower cervical spinal nerves C5-C7 cord levels

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14
Q

Which muscles represent the fourth layer of the true back?

A

erector spinae or sacrospinalis muscle

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15
Q

Which muscles are identified as erector spinae or sacrospinalis?

A

iliocostalis, longissimus, spinalis (I love spinal)

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16
Q

What muscles are classically identified as iliocostalis muscles?

A

iliocostalis lumborum, thoracsis, and cervicis

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17
Q

What osseous part of the vertebral column serves as an origin to iliocostalis lumborum?

A

spinous processes of T11-T12, L1-L5, median sacral crest, lateral sacral crest

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18
Q

Contraction of iliocostalis lumborum will result in what movements?

A

extension, lateral flexion & rotation of lumbar spine; lateral pelvic movement

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19
Q

What osseous part of the vertebral column serves as an origin to the iliocostalis lumborum pars lumborum?

A

spinous processes of L1-L5

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20
Q

What osseous part of the vertebral column serves as an origin to the iliocostalis thoracis?

A

none

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21
Q

What is the insertion for the iliocostalis thoracis?

A

costal angles of the upper 6-7 ribs, transverse process of C7

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22
Q

What osseous part of the vertebral column serves as an origin to the iliocostalis cervicis?

A

none

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23
Q

What osseous part of the vertebral column serves as an origin to the longissimus thoracis?

A

accessory process and transverse process of L1-L5, spinous processes of L3-L5, and median sacral crest S1-S3

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24
Q

Which erector spinae muscles attach to cervical articular processes?

A

longissimus cervicis and capitis

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25
Which muscles are identified as transversospinalis muscles?
Semispinalis, multifidis and rotators
26
How many vertebrae can be attached to a single segment by transversospinalis muslces?
as many as 9
27
What segment will represent the lowest attachment site for semispinalis thoracis?
T12
28
What osseous parts of the vertebral column serves as an origin to semispinalis cervicis?
transverse tubercles of T1-T5 or T6 and articular processes of C4-C7
29
What osseous parts of the vertebral column serves as an origin to semispinalis capitis?
transverse tubercles of C7, T1-T6 or T6 and articular processes of C4-C6
30
The biventer cervicis is formed by the fusion of what muscles?
semispinalis capitis and spinalis capitis
31
Which transversospinalis muscle attaches to articular and mammillary processes along the spine?
multifidus
32
Contraction of the classic multifidus will result in what movements of the vertebral column?
lateral flexion and rotation of the spine, maintains the lumbar lordotic curve, and prevents entrapment of zygapophyseal capsular ligament during movement
33
Which muscles of the spine exhibit a reversal of the expected origin-insertion combination?
iliocostalis lumborum pars lumborum, longissimus thoracsis pars lumborum, and multifidus lumborum
34
Rotator muscles are typically identified in what region of the spine?
thoracic region
35
Which suboccipital muscle lacks attachment to the skull?
obliquus capitis inferior
36
Which nerve will innervate all subocciptal muscles?
dorsal rams of C1, the suboccipal nerve
37
What is the proposed function of the suboccipal muscle group?
postural stabilizers of atlanto occipital and atlanto axial joints
38
Which subocciptal muscles are known to attach to dura mater?
rectus capitis posterior major and minor, obliquus capitis inferior
39
At what location will the interspinalis be absent along the spine?
T3-T4 down to T10-T11 | so T3-T11
40
Based on the density of muscle spindles what in the proposed function of the interspinalis?
acts as a proprioceptive transducer in conjunction with intertransversarii to coordinate the smooth movement of the spine and maintain appropriate posture
41
Which muscle group is innervated by both the dorsal rami and ventral rami of spinal nerves?
intertransversarii
42
What is the origin of the longus colli?
vertebral bodies of C5-C6, T1-T3, and anterior tubercle of the transverse processes C3-C5
43
What will innervate the longus colli?
ventral rami of C2-C6 or C7 spinal nerves
44
What will innervate the longus capitis?
the ventral rami of C1-C3 spinal nerves
45
What is the origin of the recuts capitis anterior?
lateral mass and costal element of the transverse process of C1
46
What will innervate the recuts capitis anterior?
ventral rami C1-C2 spinal nerves
47
What will innervate the rectus capitis lateralis?
the ventral rami of C1-C2 spinal nerves
48
What is the insertion of the anterior scalene?
ridge and anterior scalene tubercle of the first rib
49
What will innervate the anterior scalene?
the ventral rami of C2-C6 spinal nerves
50
What is the insertion of the middle scalene?
between the tubercle and groove for the subclavian artery on the first rib
51
What will innervate the middle scalene?
the ventral rami C3-C8 spinal nerves
52
What is the insertion of the posterior scalene?
outer surface of the second rib
53
What will innervate the posterior scalene?
the ventral rami of C6-C8 spinal nerves
54
The quadratus lumborum is implicated in the formation of which ligament?
iliolumbar ligament
55
What will innervate the quadratus lumborum?
the ventral rami of T12 and L1-L3 or L4 spinal nerves
56
What is the origin of the psoas major?
vertebral bodies T12, L1-L5, S1 and transverse processes of L1-L5
57
What is the origin of the psoas minor?
vertebral bodies T12, L1
58
What will innervate the psoas minor?
the ventral rams of L1 spinal nerve
59
What will innervate the iliacus?
the femoral nerve, primarily the ventral rami of L2 and L3
60
What will innervate the levator costarum brevis?
the dorsal rami of T1-T12 spinal nerves
61
What will innervate the levator costarum longus?
the dorsal rami of the lower thoracic spinal nerves
62
What will innervate the serratus posterior superior?
the ventral rami of T2-T5 spinal nerves... intercostal nerves
63
What will innervate the serratus posterior superior?
the ventral rami T9-T11, the intercostal nerves and the ventral rams of T12, the subcostal nerve

Spinal Final Exam (6 decks)

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