Spinal canal and Spinal Cord relationships + Cervical region Flashcards Preview

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Flashcards in Spinal canal and Spinal Cord relationships + Cervical region Deck (60):
1

What is the relationship between spinal nerve number, rib number, and vertebral number in a thoracic IVF?

the spinal nerve number relates to the upper segment number in the vertebral couple
the rib number relates to the lower segment number in the vertebral couple

2

which mammals have more than seven cervical vertebrae?

ant bear, three toed sloth

3

which mammals have less than seven cervical vertebrae?

Two toed sloth, manatee

4

which vertebrae are typical cervicals?

C3-C6

5

which vertebrae are atypical cervicals?

C1, C2, and C7

6

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

rectangular

7

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

posterior height is greater than anterior height by a few milimeters

8

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

Posterior or kyphotic

9

what accounts for the direction of the typical cervical curve?

the IVD height

10

what is the direction of the typical cervical curve?

anterior or lordotic

11

at which vertebral couple will the cervical curve again increase IVD height?

C5/C6

12

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

it diminishes the overall height of the vertebral body

13

what are the modifications of the superior epiphyseal rim?

anterior groove, posterior groove, right and left uncinate processes

14

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

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

15

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

anterior lip, posterior lip, right and left lateral grooves

16

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

lateral groove or enchancrure

17

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

firbous syndesmosis

18

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

modified synovial saddle

19

what is the joint classifcation for the spongy bone IVD articulation?

cartilaginous symphysis

20

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

five

21

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

five

22

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

ten

23

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

four

24

what is the name given to the uncinate process lateral groove articulation?

joint of luschka or uncovertebral joint

25

what does the recent literature suggest as to the nature of the joint of luschka?

the joint is representative of IVD while accomodating flexion - extension and requiring coupled motion in the cervical spine

26

what muscle attaches to the typical cervical boyd?

The longus colli muscle

27

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

posterolateral, 45 degree

28

what ligament attaches to the lamina of a typical cervical?

ligamentum flavum

29

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

fibrous syndesmosis

30

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

para-articular process

31

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

accessory bone

32

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

heterotopic bone

33

what is the outline of the vertebral foramen of a typical cervical vertebrae?

heart shaped or triangular

34

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

transverse

35

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

the transverse diameter of the cervical enlargement of the spinal cord

36

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

C6

37

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

C5/C6

38

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

anterior scalene, longus capitis, longus colli, anterior intertrasversarii

39

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

the posterior tubercle

40

what muscles may attach to the posterior tubercle of a typical cervical verterbra?

splenius cervicis, iliocostalis cervicis, logissimus cervicis, levator scapula, middle scalene, posterior scalene, rotators and posterior intertransversarii

41

what muscles will attach to the costotransverse bar?

middle scalene and posterior intertransversarii

42

what is the name given to the collective rib forming region?

the pleurapophysis

43

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

sulcus for the ventral primary ramus of a cervical spinal nerve

44

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

60 degrees anterolaterally, 15 degrees inferiorly

45

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

the carotid tubercle

46

what will occupy the typical cervical vertebra transverse foramen?

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

47

what is the name of the lamina pedicle junction of typical cervical vertebrae?

the articular pillar

48

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

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

49

what nerve indents the articular pillar of typical cervical vertebra?

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

50

what is the classic angulation of typical cervical articular facets?

40 to 45 degrees from the coronal plane

51

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

backward, upward, medial

52

what is the orientation of the typical cervical inferior articular facet

forward, lateral, downward

53

what muscles will attach to typical cervical articular processes?

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

54

what muscles blend with the capsular ligament of cervical zygapophysis?

the semispinalis capitis, multifidis and rotator longus

55

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

meniscoidal folds

56

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

typically C5/C6

57

what motions are coupled in the cervical spine?

lateral bending and axial rotation

58

ranges of coupled motion among the typical cervical vertebrae will be similar fot what cervical vertebral couples?

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

59

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

The C5/C6 vertebral couple

60

What muscles may attach to the typical cervical spinous process?

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