Exam 2 Curvatures Of The Column Flashcards Preview

Spinal Anatomy Summer 2015 > Exam 2 Curvatures Of The Column > Flashcards

Flashcards in Exam 2 Curvatures Of The Column Deck (23)
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1
Q

Why is the posterior curve also called the primary curve

A

It is the first curve to appear embryologically

2
Q

What are the adult remnants of the primary curve along the vertebral column

A

The thoracic or dorsal curve and the pelvic or sacrococcygeal curve

3
Q

What are the names given to curves that form during development to reverse the direction of regions along the vertebral column

A

Anterior curve secondary curve compensatory curve

4
Q

What embryonic event causes the direction of the posterior curve of the vertebral column

A

The embryonic disc will undergo flexion in a cranial to caudal direction

5
Q

What are the names of the anterior curve secondary curves and comparators curves

A

Cervical curve and lumbar curve

6
Q

What segmental levels form the cervical curve

A

C2 to T1

7
Q

What segmental levels form the lumbar curve

A

T 12 to L5

8
Q

What is the earliest time of appearance of the cervical curve

A

The third fetal month

9
Q

What is the traditional time of appearance of the cervical curve said to be

A

During the last trimester in utero

10
Q

What is the time during which the adult cervical curve is said to appear

A

Within the first year after birth

11
Q

What infant activities are associated with the developmental of the lumbar curve

A

Crawling and walking

12
Q

What is the time of appearance of the lumbar curve

A

Between 12 and 18 months after birth

13
Q

What is the location for the cervical kyphosis

A

Between occiput and C1

14
Q

What is the location for the apex of the cervical curve

A

Typically between C4 and C5

15
Q

What is the name given to the integration of visual and motor pathways associated with holding the head erect

A

The righting reflex

16
Q

At what age will the infant begin to hold the head erect

A

Usually between the third and fourth month after birth

17
Q

What developmental events are indicated in the formation of the adult cervical curve

A

Centers for division and equilibrium will appear in the brain musculature
attaching to the skull cervical region and upper thoracic together develops
the head is held up right
the intravertebral disc height becomes greater anterior and posterior

18
Q

What is the relationship between curve direction and handedness

A

a right-handed person has a high probability for a right thoracic left lumbar curve combination

19
Q

What is the time of appearance of the lateral curves

A

They appear after six years old

20
Q

What is the vertebral relationship between the lumbar curve and the lumbar enlargement

A

Lumbar curve T 12 - L5 lumbar enlargement T9- T12

21
Q

What is the gender bias associated with the lumbar curve convexity

A

Females have greater convexity of the lumbar curve

22
Q

Which sense is a requirement for holding the head correct standing sitting and walking

A

Vision

23
Q

What developmental events are indicated in the formation of the adult lumbar curve

A

Crawling will cause the abdomen to put tension on the lumbar region and pulled it forward
muscle development is promoted to compensate for the swayback of the lumbar’s
intravertebral disc height will become greater anterior compared to posterior
walking to further promote muscle in intravertebral disc development

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