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Spinal Anatomy > Unit 2 - VI. Regions of the Vertebral Column: Cervical Region > Flashcards

Unit 2 - VI. Regions of the Vertebral Column: Cervical Region Flashcards

1
Q

Which mammals do not have seven cervical vertebrae?

A

the two toed sloth, manatee, ant bear, and three toed sloth

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2
Q

Which mammals have more than seven cervical vertebrae?

A

ant bear, three-toed sloth

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3
Q

Which mammals have less than seven cervical vertebrae?

A

two-toed sloth, manatee

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4
Q

What is the number of vertebrae in the typical cervical spine?

A

seven segments

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5
Q

Which vertebrae are typical cervicals?

A

C3-C6

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6
Q

Which vertebrae are atypical cervicals?

A

C1, C2, C7

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7
Q

What is the shape of the typical cervical vertebral body from the cranial view?

A

rectangular

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8
Q

What is the effect of aging on the cervical vertebral body?

A

it diminishes the overall height of the vertebral body

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9
Q

What is the appearance of the typical cervical vertebral body from the lateral view?

A

posterior height is greater than anterior height by a few millimeters

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10
Q

What would be the direction of the cervical curve based on osseous features?

A

posterior or kyphotic

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11
Q

What accounts for the direction of the typical cervical curve?

A

the intervertebral disc height

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12
Q

What is the direction of the typical cervical curve?

A

anterior or lordotic

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13
Q

Which vertebral couples will demonstrate a decrease in intervertebral disc height?

A

C2/C3 down to C4/C5

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14
Q

At which vertebral couple will the cervical curve again inrease intervertebral disc height?

A

C5/C6

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15
Q

What are the modifications of the superior epiphyseal rim of a typical cervical?

A

anterior groove, posterior groove, right and left uncinate processes

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16
Q

What are the names of the lateral modification of the superior epiphyseal rim?

A

uncinate process, unciform process, uncovertebral process, uncus or lateral lip

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17
Q

At what developmental age will the uncinate process first be observed?

A

3rd-4th fetal month

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18
Q

What are the modifications of the inferior epiphyseal rim of a typical cervical?

A

anterior lip, posterior lip, right and left lateral grooves

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19
Q

What are the names given to the lateral modifications of the inferior epiphyseal rim?

A

lateral groove or enchancrure

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20
Q

What is the joint classification for the anterior lip-anterior longitudinal ligament-anterior groove articulation?

A

fibrous (amphiarthrosis) syndesmosis

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21
Q

What is the joint classification for the posterior lip-posterior longitudinal ligament-posterior groove articulation?

A

fibrous (amphiarthrosis) syndesmosis

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22
Q

What is the joint classification for the uncinate process-lateral groove articulation?

A

modified synovial saddle (diarthrosis sellar)

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23
Q

What is the joint classification for the spongy bone-intervertebral disc articulation?

A

cartilaginous (amphiarthrosis) symphysis

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24
Q

What joint surfaces are present on the upper surface of the vertebral body of a typical cervical?

A

anterior groove, right uncinate process, left uncinate process, posterior groove and superior spongy bone surface

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25
Q

How many joints are present on the upper surface of a typical cervical vertebral body?

A

five

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26
Q

What joint surfaces are present on the lower surface of the vertebral body of a typical cervical?

A

anterior lip, right lateral groove, left lateral groove, posterior lip and inferior spongy bone surface

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27
Q

How many joints are present on the lower surface of a typical cervical vertebral body?

A

five

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28
Q

How many total joint surfaces are present on the vertebral body of a typical cervical?

A

ten

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29
Q

What synovial joint surfaces are present on the vertebral body of a typical cervical?

A

right and left uncinate process, right and left lateral groove

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30
Q

What is the name given to the uncinate process-lateral groove articulation?

A

joint of Luschka or uncovertebral joint

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31
Q

The joint of Luschka is formed from what surfaces?

A

the uncinate process and lateral groove

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32
Q

How many total synovial joint surfaces are present on the vertebral body of a typical cervical?

A

four

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33
Q

What does the recent literature suggest as to the nature of the joint of Luschka?

A

the joint is representative of intervertebral disc aging, which results in loss of lamellar integrity near the joint

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34
Q

What is the functional significance of the joint of Luschka?

A

it appears to stabilize the intervertebral disc while accomodating flexion - extension and requiring coupled motion (axial rotation with lateral bending) in the cervical spine

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35
Q

How many spongy bone-intervertebral disc articulation-spongy bone articulations are present on the vertebral body of a typical cervical?

A

two

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36
Q

How many cartilaginous (amphiarthrosis) symphysis joints are present on the vertebral body of a typical cervical?

A

two

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37
Q

What muscle attaches to the typical cervical vertebral body?

A

the longus colli muscle

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38
Q

What is the orientation and angulation of the pedicle of a typical cervical?

A

posterolateral, 45 degrees

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39
Q

At what location on the vertebral body of a typical cervical will the pedicle attach?

A

to the side and in the center of the vertebral body

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40
Q

In the vertebral couple, which cervical vertebral body will contribute more toward the height of the intervertebral foramen?

A

neither, both contribute equally to the intervertebral foramen height

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41
Q

What surface feature is located at the lower margin of the pedicle?

A

inferior vertebral notch

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42
Q

Which spinal nerve will be accomodated on the superior vertebral notch of C5?

A

C5 spinal nerve

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43
Q

Which spinal nerve will be accomodated on the inferior vertebral notch of C5?

A

C6 spinal nerve

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44
Q

What is the direction of projection of the cervical lamina?

A

posteromedially

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45
Q

What ligament attaches to the lamina of a typical cervical?

A

ligamentum flavum

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46
Q

What joint classification will be associated with the ligamentum flavum and its attachment?

A

fibrous (amphiarthrosis) syndesmosis

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47
Q

Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?

A

para-articular processes

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48
Q

Ossification of the ligamentum flavum at the attachment site on the lamina will be associated with which classification of bone?

A

accessory bone

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49
Q

Ossification within the length of the ligamentum flavum will be associated with which classification of bone?

A

heterotopic bone

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50
Q

What is the outline of the vertebral foramen of a typical cervical vertebra?

A

heart-shaped or triangular

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51
Q

Which is the greatest diameter of the vertebral foramen of typical cervicals?

A

transverse

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52
Q

What soft tissue diameter mimics the outline of the typical cervical vertebral foramen?

A

the transverse diameter of the cervical enlargement of the spinal cord

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53
Q

The greatest transverse diameter of the typical cervical vertebra occurs at ___?

A

C6

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54
Q

The greatest frequency of osteophytes associated with the vertebral body occurs at which typical cervical vertebral couple?

A

C5/C6

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55
Q

What osseous parts form the typical cervical vertebra transverse process?

A

costal element, anterior tubercle, costotransverse bar, posterior tubercle, true transverse process

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56
Q

List, in order, the osseous parts of the typical cervical vertebra transverse process beginning at the vertebral body.

A

costal element, anterior tubercle, costotransverse bat, posterior tubercle, true transverse process

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57
Q

List, in order, the osseous parts of the typical cervical vertebra transverse process beginning at the lamina pedicle junction.

A

true transverse process, posterior tubercle, costotransverse bar, anterior tubercle, costal element

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58
Q

What is the distal modification of the costal element of a typical cervical vertebra?

A

the anterior tubercle

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59
Q

What muscles will attach to the anterior tubercle of a typical cervical vertebra?

A

anterior scalene, longus capitis, longus colli, anterior intertransversarii

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60
Q

What is the distal modification of the true transverse process of typical cervicals?

A

the posterior tubercle

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61
Q

What muscles may attach to the posterior tubercle of a typical cervical vertebra?

A

spleniue cervicis, iliocostalis cervicis, longissimus cervicis, levator scapula, middle scalene, posterior scalene, rotators and posterior intertransversarii

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62
Q

What bony feature connects the anterior and posterior tubercles of a typical cervical transverse process?

A

costotransverse bar or intertubercular lamella

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63
Q

What muscles will attach to the costotransverse bar?

A

middle scalene and posterior intertransversarii

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64
Q

What is the name given to the collective rib-forming region?

A

the pleurapophysis

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65
Q

What produces the primary tension on the transverse process that will cause remodeling in the anterolateral and inferior directions?

A

cervical spinal nerves as they are directed anterolaterally and inferiorly to form the cervical and brachial plexuses

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66
Q

What is the name given to the superior margin of the costotransverse bar?

A

sulcus for the ventral primary ramus of a cervical spinal nerve

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67
Q

What is the orientation and angulation of a typical cervical transverse process?

A

60 degrees anterolaterally (from midsagittal plane), 15 degrees inferiorly (from the horizontal plane)

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68
Q

What is the name given to the modification of the anterior tubercle of the C6 transverse process?

A

the carotid tubercle

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69
Q

What will cause remodeling of the anterior tubercle at C6?

A

the common carotid artery

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70
Q

What will occupy the typical cervical vertebra transverse foramen?

A

the vertebral artery, vertebral venous plexus and postganglionic sympathetic motor nerve fibers

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71
Q

What part of the peripheral nerve system is observed in the transverse foramen of typical cervical vertebrae?

A

postganglionic sympathetic motor nerve fibers of the autonomic (involuntary or visceral) nerve system

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72
Q

What is the name of the lamina-pedicle junction of typical cervical vertebrae?

A

the articular pillar

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73
Q

What is the name of the surface feature observed between the ends of the articular pillar?

A

the groove/sulcus for the dorsal ramus of a cervical spinal nerve

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74
Q

What nerve indents the articular pillar of typical cervical vertebrae?

A

the medial branch of the dorsal ramus of a cervical spinal nerve

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75
Q

What is the classic angulation of typical cervical articular facets?

A

40 to 45 degree from the coronal plane

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76
Q

Recent work suggests what angulation for typical cervical articular facets?

A

55 to 60 degrees

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77
Q

What is the orientation of the typical cervical superior articular facet?

A

backward, upward, medial (BUM)

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78
Q

What is the orientation of the typical cervical inferior articular facet?

A

forward, lateral, downward (FoLD)

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79
Q

What muscles will attach to typical cervical articular processes?

A

the longissimus capitis, longissimus cervicis, semispinalis capitis, semispinais cervicis, multifidis and rotators

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80
Q

What muscles blend with the capsular ligament of cervical zygapophyses?

A

the semispinalis capitis, multifidis and rotator longus

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81
Q

What is the joint classification for the typical cervical zygapophysis?

A

synovial plane (diarthrosis arthrodia) joint

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82
Q

What modifications of the synovial joint are observed in the cervical spine?

A

meniscoidal folds

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83
Q

What function will meniscoidal folds provide in cervical zygapophyses?

A

they are assumed to distribute pressure across the joint surface

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84
Q

The greatest range of flexion - extension among the typical cervical vertebrae occurs at which vertebral couple?

A

typically C5/C6

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85
Q

What motions are coupled in the cervical spine?

A

lateral bending and axial rotation

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86
Q

Ranges of coupled motion among the typical cervical vertebrae will be similar for what cervical vertebrae couples?

A

the C2/C3, C3/C4, C4/C5 vertebral couples

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87
Q

Ranges of coupled motion among the typical cervical vertebrae will begin to decrease at what cervical vertebral couple?

A

the C5/C6 vertebral couple

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88
Q

What is the usual condition for the Caucasian typical cervical spinous process?

A

they are bifid

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89
Q

What is the usual condition for the African-American typical cervical spinous process?

A

they are non-bifid

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90
Q

What is the osseous modification at the distal end of the spinous process?

A

the spinous tubercle

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91
Q

What muscles may attach to the typical cervical spinous process?

A

the spinalis cervicis, semispinalis cervicis, semispinalis thoracis, multifidis, rotators and interspinalis

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92
Q

What ligaments will attach to the typical cervical spinous process?

A

the interspinous ligament and ligamentum nuchae

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93
Q

What will form the anterior boundary of a typical cervical intervertebral foramen?

A

the lateral groove and vertebral body of the segment above, the uncinate process and vertebral body of the segment below, the intervertebral disc and the posterior longitudinal ligament

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94
Q

What will form the posterior boundary of a typical cervical intervertebral foramen?

A

the inferior articular process (post-zygapophysis), the superior articular process (pre-zygapophysis), the capsular ligament and the ligamentum flavum

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95
Q

What will form the superior boundary of a typical cervical intervertebral foramen?

A

the inferior vertebral notch or inferior vertebral incisure

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96
Q

What will form the inferior boundary of a typical cervical intervertebral foramen?

A

the superior vertebral notch or superior vertebral incisure

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97
Q

What is the unique anterior boundary of the intervertebral foramen for the C4 spinal nerve?

A

the lateral groove of C3 and uncinate process of C4 forming the joint of Luschka

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98
Q

What is the name of tje the first cervical vertebra?

A

atlas

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99
Q

What features are lacking at C1?

A

vertebral body, pedicles, a spinous process and the intervertebral disc

100
Q

What is thought to represent the pedicle at C1?

A

the anterior arch

101
Q

What osseous modification is observed to the front of the anterior arch of C1?

A

the anterior tubercle

102
Q

What muscle attaches to the anterior arch of C1?

A

longus colli

103
Q

What ligaments will attach to the anterior arch of C1?

A

the anterior longitudinal, anterior atlanto-occipital and anterior atlanto-axial ligaments

104
Q

What is observed on the back of the anterior arch of C1?

A

the fovea dentis

105
Q

What joint classifications are observed on the anterior arch of C1?

A

fibrous (amphiarthrosis) syndesmosis joint and synovial pivot (diarthrosis trochoid) joint

106
Q

What is the contribution of the lateral mass to the circumference of C1?

A

forty percent; twenty percent for each lateral mass

107
Q

What is the morphology of the superior articular facet of C1?

A

they are elliptical, closer together in front and often demonstrate an elevation subdividing the facet surface into two separate surfaces

108
Q

What is the orientation of the superior articular facet of C1?

A

backward, upward, medial (BUM)

109
Q

What is the joint classification of the atlanto-occipital zygapophysis?

A

synovial (diarthrosis) ellipsoidal joint

110
Q

What are the morphological characteristics of the inferior articular facet of C1?

A

asymmetrical, slightly concave or flattened

111
Q

What is the orientation of the inferior articular facet of C1?

A

backward, medial, downward (BMD)

112
Q

What is the joint classification of the atlanto-axial zygapophysis?

A

synovial plane (diarthrosis arthrodia) joint

113
Q

What is the name of the rounded elevation on the medial aspect of the lateral mass of C1?

A

tubercle for the transverse atlantal ligament

114
Q

What muscles attach to the lateral mass of C1?

A

levator scapula, splenius cervicis and rectus capitis anterior

115
Q

What is the contribution of the posterior arch to the circumference of C1?

A

about forty percent

116
Q

What part of C1 represents the spinous process?

A

posterior tubercle of the posterior arch

117
Q

What is the distance fromt he psoterior tubercle of the posterior arch to the skin in each gender?

A

males: about fifty millimeters; females: about thirty-seven millimeters

118
Q

What attaches to the posterior tubercle of the posterior arch of C1?

A

rectus capitis posterior minor muscle and ligamentum nuchae

119
Q

What superior surface modifications of the posterior arch of C1 are present?

A

groove/sulcus for the vertebral artery and arcuate rim

120
Q

What attaches to the arcuate rim of C1?

A

the posterior atlanto-occipital ligament

121
Q

What are the attachment sites of the posterior atlanto-occipital ligament?

A

it is attached to the arcuate rim of the posterior arch of atlas, to the superior articular process of the lateral mass of atlas and to the posterior margin of the foramen magnum of the occipital bone

122
Q

Ossification of the free margin of the posterior atlanto-occipital ligament results in which atypical bone classification?

A

accessory bone

123
Q

What is the earliest age of development where ossification of the anterior free margin of the posterior atlanto-occipital ligament was observed?

A

about age 7 years old

124
Q

Based on the amount of ossification of the anterior free margin of the posterior atlanto-occipital ligament what structures will form?

A

an incomplete ponticulus posticus or a complete ponticulus posticus

125
Q

What may be formed by ossification of the anterior free margin of the posterior atlanto-occipital ligament?

A

a partial ponticulus posticus or complete ponticulus posticus

126
Q

What forms the types of ponticulus posticus?

A

ossification of the anterior free margin of the posterior atlanto-occipital ligament

127
Q

What are the attachment sites of the ponticulus posticus?

A

it is attached to the arcuate rim of the posterior arch of atlas and to the superior articular process of the lateral mass of atlas

128
Q

What other name may be used to identify a ponticulus posticus?

A

Kimmerle’s anomaly

129
Q

What names are given to the opening formed by the ponticulus posticus?

A

arcuate foramen or retroarticular canal

130
Q

Ponticulus posticus has been observed in what ethnic populations?

A

all ethnic populations studied thus far

131
Q

What is the general range of incidence of ponticulus posticus in the populations studied?

A

1% - 41%

132
Q

What is the gender bias now associated with ponticulus posticus?

A

the incidence of a complete ponticulus posticus is about fifteen percent; the incidence of an incomplete ponticulus posticus may be as high as forty-one percent

133
Q

What is observed on the undersurface of the posterior arch of C1?

A

“inferior vertebral notch” and an attachment site for the posterior atlanto-axial ligament

134
Q

What joint classification(s) may be observed on the posterior arch of C1?

A

fibrous (amphiarthrosis) syndesmosis joint

135
Q

What is the location of the “zygapophysis” relative to the atlanto-occipital and atlanto-acial intervertebral foramina?

A

it forms part of the anterior boundary of the intervertebral foramen in both cases

136
Q

What is the general appearance of the transverse process of C1?

A

triangular

137
Q

What are the osseous parts of the transverse process of C1?

A

costal element, posterior tubercle, true transverse process

138
Q

What osseous parts of the transverse process are absent at C1?

A

anterior tubercle and costotransverse bar

139
Q

What muscles attach to the transverse process of C1?

A

rectus capitis anterior, rectus capitis lateralis, middle scalene, levator scapula, splenius cervicis, obliquus capitis superior, obliquus capitis inferior and intertransversarii muscles

140
Q

What suboccipital muscles are known to have fascial projections attaching to the spinal dura?

A

rectus capitis posterior minor, rectus capitis posterior major, obliquus capitis inferior

141
Q

What are the connections between suboccipital muscles and the spinal dura called?

A

myodural bridges

142
Q

What are the lateral bridges of atlas connected to?

A

the lateral mass and the transverse process of atlas

143
Q

What forms of the lateral bridges are observed in the population?

A

incomplete lateral bridges and complete lateral bridges

144
Q

What opening is identified when a complete lateral bridge is formed?

A

the retrotransverse foramen

145
Q

What are the possible contents of the retrotransverse foramen?

A

the vertebral artery, a branch from the suboccipital nerve and veins communicating with the venous sinuses of the neck

146
Q

Which of the ponticles (bridges) of atlas is most numerous?

A

ponticulus posticus

147
Q

Which of the ponticles (bridges) of atlas is only observed in humans?

A

lateral bridges

148
Q

What is observed in the transverse foramen of C1?

A

vertebral artery, vertebral venous plexus, postganglionic sympathetic motor nerve fibers

149
Q

What is the gender variation for measurements of the transverse diameter of C1?

A

males: 78 millimeters and females: 72 millimeters

150
Q

Is there a gender variation for the distance from the posterior tubercle of the transverse process of C1 to the skin?

A

not a significant difference

151
Q

What is the distance from the posterior tubercle of the transverse process of C1 to the skin for each gender?

A

a little over 30 millimeters for both males and females

152
Q

What joint classifications are observed at C1?

A

fibrous (amphiarthrosis) sydesmosis joint, synovial (diarthrosis) ellipsoidal joint, synovial pivot (diarthrosis trochoid) joint and synovial plane (diarthrosis arthrodia) joint

153
Q

How many synovial joint surfaces are observed at C1?

A

five

154
Q

What synovial joint surfaces are observed at C1?

A

two superior articular facets, two inferior articular facets and the fovea dentis

155
Q

What names are given to C2?

A

axis or epistropheus

156
Q

What unique vertebral body modification is characteristic of C2?

A

the dens or odontoid process

157
Q

How many joint surfaces are present on the odontoid process of C2?

A

five

158
Q

What joint surfaces are present on the odontoid process of C2?

A

facet for fovea dentis, groove for transverse atlantal ligament, attachment sites for the alar ligaments, attachment site for the apical-dental ligament

159
Q

Which joint classifications are represented at the odontoid process of C2?

A

fibrous (amphiarthrosis) syndesmosis and synovial pivot (diarthrosis trochoid) joints

160
Q

What is the name given to the odontoid process when the facet for the fovea dentis lies above the groove for the transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed posterior?

A

lordotic dens

161
Q

What is the name/classification given to the odontoid process when the tip of the dens is directed posterior?

A

lordotic dens

162
Q

What is the name given to the odontoid process when the facet for the fovea dentis lies below the groove for the transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed anterior?

A

kyphotic dens

163
Q

What is the name/classification given to the odontoid process when the tip of the dens is directed anterior?

A

kyphotic dens

164
Q

What joint surfaces are present at the inferior part of the vertebral body of C2?

A

anterior lip, posterior lip, right and left lateral grooves and cancellous bone

165
Q

How many joints are formed by the inferior part of the vertebral body of C2?

A

five

166
Q

What joint classifications are present at the inferior part of the vertebral body of C2?

A

fibrous (amphiarthrosis) syndesmosis, modified synovial saddle (diarthrosis sellar) and cartilaginous (amphiarthrosis) symphysis

167
Q

How many joint surfaces are present at the vertebral body of C2?

A

ten

168
Q

What joint classifications are present at the vertebral body of C2?

A

fibrous (amphiarthrosis) syndesmosis, synovial pivot (diarthrosis trochoid), modified synovial saddle (diarthrosis sellar) and cartilaginous (amphiarthrosis) symphysis

169
Q

What ligaments will attach posteriorly, to the inferior epiphyseal rim of C2?

A

membrana tectoria and posterior longitudinal ligament

170
Q

What ligament will represent the cranial continuation of the posterior longitudinal ligament?

A

membrana tectoria

171
Q

What ligament forms the anterior boundary for the spinal canal above C2?

A

membrana tectoria

172
Q

What ligament forms the anterior boundary for the spinal canal below C2?

A

posterior longitudinal ligament

173
Q

What lies on the upper surface of the pedicle of C2?

A

the superior articular process

174
Q

What is the location of the superior vertebral notch of C2?

A

on the lamina-pedicle junction

175
Q

What attaches to the lamina of C2?

A

obliquus capitis inferior muscle, posterior atlanto-axial ligament, ligamentum flavum

176
Q

What muscle attaches to the lamina of C2?

A

obliquus capitis inferior

177
Q

What is the outline of the vertebral foramen of C2?

A

oval to triangular

178
Q

What is the appearance of the superior articular facets of C2?

A

they are asymmetrical and slightly convex

179
Q

What is the facet orientation of the superior articular facet of C2?

A

backward, upward, and lateral (BUL)

180
Q

What is the orientation of the inferior articular facets of C2?

A

forward, lateral, and down (FoLD)

181
Q

What is the classification of the zygapophyseal joints of C2?

A

synovial plane (diarthrosis arthrodia) joint

182
Q

What muscle attaches to the articular processes of C2?

A

longissimus cervicis

183
Q

What osseous parts of the typical cervical transverse process are present at C2?

A

costal element, posterior tubercle and true transverse process

184
Q

What osseous parts of the typical cervical transverse process are absent at C2?

A

anterior tubercle and costotransverse bar

185
Q

What will be observed in the transverse foramen at C2?

A

vertebral artery, vertebral venous plexus, postganglionic sympathetic motor nerve fibers

186
Q

What is the gender variation for the transverse diameter of C2?

A

males: fifty-seven millimeters and females: about fifty millimeters

187
Q

What muscles attach to the transverse process at C2?

A

levator scapulae, middle scalene, splenius cervicis, longissimus cervicis and intertransversarii

188
Q

Anterior and posterior intertransversarii are first observed at what vertebral couple?

A

C2 and C3

189
Q

What is the characteristic appearance of the C2 spinous process in humans?

A

bifid

190
Q

What is the location for palpation of the spinous process of C2?

A

in the midline, about two inches below the external occipital protuberance

191
Q

What muscles attach to the spinous process of C2?

A

rectus capitis posterior major, obliquus capitis inferior, spinalis cervicis, semispinalis cervicis, multifidis, rotators and interspinalis muscles

192
Q

What ligaments attach to the spinous process of C2?

A

ligamentum nuchae, interspinous ligaments

193
Q

What names may be given to C7?

A

vertebra prominens and vertebral prominence

194
Q

What is the name given to the topographical elevation observed at the base of the neck?

A

vertebral prominence

195
Q

What name is given only to C7?

A

vertebra prominens

196
Q

In what percent of men and of women does C7 become the vertebral prominence?

A

men: eighty-six percent and women: seventy-nine percent

197
Q

What is the segment and gender bias for vertebrae other than C7 becoming the vertebral prominence?

A

C6 is more common in females and T1 is more common in males

198
Q

What joint surfaces are present at the superior margin of the vertebral body of C7?

A

anterior groove, posterior groove, right and left uncinate processes, cancellous bone

199
Q

What joint surfaces are present at the inferior margin of the vertebral body of C7?

A

the anterior and posterior margins of the inferior epiphyseal rim, cancellous bone

200
Q

How may joint surfaces are present at the vertebral body of C7?

A

eight

201
Q

What joint classifications are observed at the vertebral body of C7?

A

fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthrosis) symphysis and modified synovial saddle (diarthrosis sellar) joint

202
Q

How many synovial joint surfaces are observed at the vertebral body of C7?

A

two

203
Q

What synovial joint surfaces are observed at the vertebral body of C7?

A

the right and left uncinate processes

204
Q

What muscle(s) attaches to the vertebral body of C7?

A

longus colli muscle

205
Q

What are the osseous parts of the transverse process of C7?

A

costal element, anterior tubercle, costotransverse bar, posterior tubercle, true transverse process

206
Q

What features are typically present in the transverse foramen of C7?

A

vertebral venous plexus, postganglionic sympathetic motor fibers

207
Q

What muscles attach to the transverse process of C7?

A

middle scalene, iliocostalis thoracis, longissimus cervicis, semispinalis capitis, rotators, intertransversarii and levator costarum brevis

208
Q

What is the angulation of the articular facet at C7?

A

more vertical at about 63 degrees

209
Q

What is the orientation of the superior articular facet of C7?

A

backward, upward, medial (BUM)

210
Q

What is the orientation of the inferior articular facet of C7?

A

forward, medial, downward (ForMeD)

211
Q

What muscles will attach to the articular process of C7?

A

longissimus cervicis, longissimus capitis, semispinalis cervicis and multifidis

212
Q

What are the features of the spinous process of C7?

A

long, horizontal, nonbifid

213
Q

What muscles attach to the spinous process of C7?

A

trapezius, rhomboid minor, serratus posterior superior, splenius capitis, spinalis capitis, spinalis cervicis, semispinalis thoracis, multifidis, rotators and interspinalis

214
Q

What ligaments attach to the spinous process of C7?

A

ligamentum nuchae and interspinous ligaments

215
Q

The vertebral artery on which side is typically larger?

A

left vertebral artery

216
Q

What is the gender bias regarding size of the vertebral artery?

A

men have larger vertebral arteries than women

217
Q

What was the name of the physical exam used to determine vertebral artery patency?

A

the vertebrobasilar artery insufficiency test

218
Q

Which side artery was tested during the course of the vertebrobasilar artery insufficiency exam?

A

the ipsilateral artery on the side of rotation

219
Q

What are the symptoms of failure of the vertebral artery to compensate during the vertebrobasilar artery insufficiency exam?

A

dizziness, vertigo, nausea are common complaints

220
Q

The vertebral artery is typically a branch of which artery?

A

subclavian artery

221
Q

Typically, at what vertebral level will the vertebral artery first become located in the transverse foramen?

A

C6

222
Q

At what location will the vertebral artery form its first compensatory loop?

A

the atlanto-axial interspace

223
Q

At what location will the vertebral artery form its second compensatory loop?

A

the atlanto-occipital interspace

224
Q

At what segments will the vertebral artery be firmly attached to the transverse foramen?

A

both C1 and C2

225
Q

What is the purpose of the vertebral artery loops between C2, C1, and occiput?

A

the increased length will accommodate the greater rotation at these locations

226
Q

What happens to the vertebral artery as it enters the vertebral foramen of C1?

A

the adventitia of the artery blends with the dura mater and the arachnoid mater; as a result the artery lies in the subarachnoid space

227
Q

What happens to the vertebral artery after it enters the subarachnoid space at C1?

A

the vertebral artery ascends along the medulla oblongata to the pontine-medullary junction where the right and left arteries unite to form the basilar artery

228
Q

What artery is formed by the union of the right and left vertebral arteries?

A

the basilar artery

229
Q

Which suboccipital muscles attach to C1?

A

rectus capitis posterior minor, obliquus capitis superior, obliquus capitis inferior

230
Q

Which suboccipital muscles attach to C2?

A

rectus capitis posterior major, obliquus capitis inferior

231
Q

Which erector spinae muscles attach to the cervical spine?

A

iliocostalis thoracis, iliocostalis cervicis, longissimus cervicis, longissimus capitis, spinalis cervicis, spinalis capitis

232
Q

Which transversospinalis muscles attach to the cervical spine?

A

semispinalis cervicis, semispinalis capitis, multifidis, rotators

233
Q

What joint classifications are present at C1?

A

synovial (diarthrosis) ellipsoidal, synovial pivot (diarthrosis trochoid), synovial plane (diarthrosis arthrodia) and fibrous (amphiarthrosis) syndesmosis

234
Q

What joint classifications are present at C2?

A

synovial pivot (diarthrosis trochoid), synovial plane (diarthrosis arthrodia), modified synovial saddle (diarthrosis sellar), fibrous (amphiarthrosis) syndesmosis and cartilaginous (amphiarthrosis) symphysis joint

235
Q

What joint classifications are present at each typical cervical?

A

synovial plane (diarthrosis arthrodia), modified synovial saddle (diarthrosis sellar), fibrous (amphiarthrosis) syndesmosis and cartilaginous (amphiarthrosis) symphysis

236
Q

What joint classifications are present at C7?

A

synovial plane (diarthrosis arthrodia), modified synovial saddle (diarthrosis sellar), fibrous (amphiarthrosis) syndesmosis and cartilaginous (amphiarthrosis) symphysis

237
Q

What forms the boundaries for the exit of the C1 nerve from the spinal canal?

A

occipital condyle, superior articular process of C1, capsular ligament, arcuate rim, groove for the vertebral artery, posterior atlanto-occipital ligament

238
Q

What forms the boundaries for the exit of the C2 nerve from the spinal canal?

A

inferior articular process of C1, superior articular process of C2, capsular ligament, inferior vertebral notch of C1, superior vertebral notch of C2, posterior arch of C1, lamina of C2, posterior atlanto-axial ligament

239
Q

What forms the anterior boundary for the C2 nerve exit from the spinal canal?

A

inferior articular process of C1, superior articular process of C2, capsular ligament

240
Q

What forms the posterior boundary for the C2 nerve exit from the spinal canal?

A

the posterior arch of C1, lamina of C2 and posterior atlanto-axial ligament

241
Q

What forms the anterior boundary for the C3-C7 nerve exit from the spinal canal?

A

the vertebral bodies, intervertebral disc, posterior longitudinal ligament, uncinate process, lateral groove

242
Q

What forms the anterior boundary for the C8 nerve exit from the spinal canal?

A

the vertebral bodies of C7 and T1, intervertebral disc, posterior longitudinal ligament, capsular ligament of the costocentral joint, superior costal facet of T1 and articular surface of the first rib

243
Q

What are the superior articular facet orientations for the cervical vertebrae?

A

C1 is backward, upward, medial (BUM), C2 is backward, upward, lateral (BUL), C3-C7 is backward, upward, medial (BUM)

244
Q

What are the inferior articular facet orientations for the cervical vertebrae?

A

C1 is backward, downward, medial (BMD), C2-C6 is forward, downward, lateral (FoLD), C7 is forward, downward, medial (ForMed)

245
Q

How many synovial joints are identified for each cervical vertebra?

A

C1 = five, C2 = eight, C3-6 = eight, C7 = six

246
Q

How many joints are identified at the vertebral body of each cervical vertebra?

A

C1 = none, C2 = ten, C3-6 = ten, C7 = eight

Spinal Anatomy (12 decks)

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