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)
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1
Q

What features are lacking in C1?

A

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

2
Q

What muscle attaches to the anterior arch of C1?

A

Longus colli

3
Q

What ligaments will attach to the anterior arch of C1?

A

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

4
Q

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

A

The fovea dentis

5
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

6
Q

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

A

BUM

Backward, upward, medial

7
Q

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

A

Synovial (diarthrosis) ellipsoidal joint

8
Q

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

A

Asymmetrical, slightly concave or flattened

9
Q

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

A

BMD

Backward, medial, downward

10
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

11
Q

What muscles attache to the lateral mass of C1?

A

Levator Scapula, Splenius Cervicis, and Rectus capitis anterior

12
Q

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

A

About forty percent

13
Q

What part of C1 represents the spinous process?

A

Posterior tubercle of the posterior arch

14
Q

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

A

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

15
Q

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

A

Rectus capitis posterior minor muscle and ligamentum nuchae

16
Q

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

A

Groove/sulcus for the vertebral artery and arcuate rim

17
Q

What attaches to the arcuate rim of C1?

A

The posterior atlanto-occipital ligament

18
Q

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

A

Accessory bone

19
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

20
Q

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

A

A partial ponticulus posticus or a complete ponticulus posticus

21
Q

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

A

Kimmerle’s anomaly

22
Q

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

A

Arcuate foramen or retroarticular canal

23
Q

Ponticulus posticus has observed in what ethnic populations?

A

All ethnic populations studied thus far

24
Q

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

A

1%-41%

25
Q

What is the gender bias now associated with ponticulus posticus?

A

Female

26
Q

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

27
Q

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

A

Fibrous (amphiarthrosis) syndesmosis joint

28
Q

What is the name of the first cervical vertebra?

A

Atlas