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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
Q

Which muscles are identified as transversospinalis muscles?

A

Semispinalis, multifidis and rotators

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26
Q

How many vertebrae can be attached to a single segment by transversospinalis muslces?

A

as many as 9

27
Q

What segment will represent the lowest attachment site for semispinalis thoracis?

A

T12

28
Q

What osseous parts of the vertebral column serves as an origin to semispinalis cervicis?

A

transverse tubercles of T1-T5 or T6 and articular processes of C4-C7

29
Q

What osseous parts of the vertebral column serves as an origin to semispinalis capitis?

A

transverse tubercles of C7, T1-T6 or T6 and articular processes of C4-C6

30
Q

The biventer cervicis is formed by the fusion of what muscles?

A

semispinalis capitis and spinalis capitis

31
Q

Which transversospinalis muscle attaches to articular and mammillary processes along the spine?

A

multifidus

32
Q

Contraction of the classic multifidus will result in what movements of the vertebral column?

A

lateral flexion and rotation of the spine, maintains the lumbar lordotic curve, and prevents entrapment of zygapophyseal capsular ligament during movement

33
Q

Which muscles of the spine exhibit a reversal of the expected origin-insertion combination?

A

iliocostalis lumborum pars lumborum, longissimus thoracsis pars lumborum, and multifidus lumborum

34
Q

Rotator muscles are typically identified in what region of the spine?

A

thoracic region

35
Q

Which suboccipital muscle lacks attachment to the skull?

A

obliquus capitis inferior

36
Q

Which nerve will innervate all subocciptal muscles?

A

dorsal rams of C1, the suboccipal nerve

37
Q

What is the proposed function of the suboccipal muscle group?

A

postural stabilizers of atlanto occipital and atlanto axial joints

38
Q

Which subocciptal muscles are known to attach to dura mater?

A

rectus capitis posterior major and minor, obliquus capitis inferior

39
Q

At what location will the interspinalis be absent along the spine?

A

T3-T4 down to T10-T11

so T3-T11

40
Q

Based on the density of muscle spindles what in the proposed function of the interspinalis?

A

acts as a proprioceptive transducer in conjunction with intertransversarii to coordinate the smooth movement of the spine and maintain appropriate posture

41
Q

Which muscle group is innervated by both the dorsal rami and ventral rami of spinal nerves?

A

intertransversarii

42
Q

What is the origin of the longus colli?

A

vertebral bodies of C5-C6, T1-T3, and anterior tubercle of the transverse processes C3-C5

43
Q

What will innervate the longus colli?

A

ventral rami of C2-C6 or C7 spinal nerves

44
Q

What will innervate the longus capitis?

A

the ventral rami of C1-C3 spinal nerves

45
Q

What is the origin of the recuts capitis anterior?

A

lateral mass and costal element of the transverse process of C1

46
Q

What will innervate the recuts capitis anterior?

A

ventral rami C1-C2 spinal nerves

47
Q

What will innervate the rectus capitis lateralis?

A

the ventral rami of C1-C2 spinal nerves

48
Q

What is the insertion of the anterior scalene?

A

ridge and anterior scalene tubercle of the first rib

49
Q

What will innervate the anterior scalene?

A

the ventral rami of C2-C6 spinal nerves

50
Q

What is the insertion of the middle scalene?

A

between the tubercle and groove for the subclavian artery on the first rib

51
Q

What will innervate the middle scalene?

A

the ventral rami C3-C8 spinal nerves

52
Q

What is the insertion of the posterior scalene?

A

outer surface of the second rib

53
Q

What will innervate the posterior scalene?

A

the ventral rami of C6-C8 spinal nerves

54
Q

The quadratus lumborum is implicated in the formation of which ligament?

A

iliolumbar ligament

55
Q

What will innervate the quadratus lumborum?

A

the ventral rami of T12 and L1-L3 or L4 spinal nerves

56
Q

What is the origin of the psoas major?

A

vertebral bodies T12, L1-L5, S1 and transverse processes of L1-L5

57
Q

What is the origin of the psoas minor?

A

vertebral bodies T12, L1

58
Q

What will innervate the psoas minor?

A

the ventral rams of L1 spinal nerve

59
Q

What will innervate the iliacus?

A

the femoral nerve, primarily the ventral rami of L2 and L3

60
Q

What will innervate the levator costarum brevis?

A

the dorsal rami of T1-T12 spinal nerves

61
Q

What will innervate the levator costarum longus?

A

the dorsal rami of the lower thoracic spinal nerves

62
Q

What will innervate the serratus posterior superior?

A

the ventral rami of T2-T5 spinal nerves… intercostal nerves

63
Q

What will innervate the serratus posterior superior?

A

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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