12/8/2015 Spinal Questions Flashcards Preview

Spinal Anatomy Test 2 Quiz Questions > 12/8/2015 Spinal Questions > Flashcards

Flashcards in 12/8/2015 Spinal Questions Deck (28):
1

What features are lacking in C1?

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

2

What muscle attaches to the anterior arch of C1?

Longus colli

3

What ligaments will attach to the anterior arch of C1?

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

4

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

The fovea dentis

5

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

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

6

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

BUM
Backward, upward, medial

7

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

Synovial (diarthrosis) ellipsoidal joint

8

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

Asymmetrical, slightly concave or flattened

9

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

BMD
Backward, medial, downward

10

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

Tubercle for the transverse atlantal ligament

11

What muscles attache to the lateral mass of C1?

Levator Scapula, Splenius Cervicis, and Rectus capitis anterior

12

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

About forty percent

13

What part of C1 represents the spinous process?

Posterior tubercle of the posterior arch

14

What is the distance from the posterior tubercle of the posterior arch to the skin in each gender?

Males: about fifty millimeters
Females: about thirty-seven millimeters

15

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

Rectus capitis posterior minor muscle and ligamentum nuchae

16

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

Groove/sulcus for the vertebral artery and arcuate rim

17

What attaches to the arcuate rim of C1?

The posterior atlanto-occipital ligament

18

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

Accessory bone

19

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

About age 7 years old

20

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

A partial ponticulus posticus or a complete ponticulus posticus

21

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

Kimmerle's anomaly

22

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

Arcuate foramen or retroarticular canal

23

Ponticulus posticus has observed in what ethnic populations?

All ethnic populations studied thus far

24

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

1%-41%

25

What is the gender bias now associated with ponticulus posticus?

Female

26

What is the incidence of a complete ponticulus posticus versus an incomplete ponticulus posticus?

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

27

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

Fibrous (amphiarthrosis) syndesmosis joint

28

What is the name of the first cervical vertebra?

Atlas