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Flashcards in lumbar outline Deck (34)
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1
Q

the vertebral body of L5 is the ________ of the lumbar vertebrae.

A

largest

2
Q

true or false

the anterior height of L5 vertebral body is greater than the posterior height?

A

true

3
Q

the transverse process of L5 is large and originates from what three places?

A

vertebral body
pedicle
lamina-pedicle junction

4
Q

the spinous process of L5 is the _________ of all lumbar vertebrae.

A

shortest

5
Q

how many lumbar vertebra are there?

A

5 on average

6
Q

how many secondary centers of ossification are there in the lumbar vertebrae?

A

7

7
Q

what are the seven secondary centers of ossifciation?

A

superior and inferior epiphyseal rims
right and left transverse processes
spinous process
right and left mammillary processes

8
Q

what are the typical lumbar vertebrae?

A

(L1-L4)

9
Q

what is the shape of the vertebral body of the typical vertebrae when seen in a superior view?

A

reniform

10
Q

is the vertebral body of L2-L4 higher anteriorly or posteriorly?

A

the posterior height is slightly greater than the anterior height

11
Q

on L1-L3 what increases in size?

A

the lateral width

12
Q

what is the pedicle orientation on the typical lumbar vertebrae?

A

primarily posterior, similar to the thoracic vertebrae

13
Q

the superior vertebral notch/incisure of the typical lumbar vertebrae is what size?

A

small (between cervical and thoracic depths)

14
Q

the inferior vertebral notch/incisure of the typical lumbar vertebrae is?

A

Deep (between cervical and thoracic depths)

15
Q

describe the intervertebral foramen of the typical lumbar vertebrae?

A
faces laterally
(upside-down) pear shape in outline
16
Q

the specific spinal nerve exiting the intervertebral foramen is identified according to?

A

the vertebra making up the superior border of the intervertebral foramen

17
Q

the lamina of the typical lumbar is?

A

broad, top to bottom

18
Q

the shingling of the lamina continues from the thoracic region but diminishes from?

A

L1 to L5

19
Q

what is the shape of the vertebral foramen of the typical lumbar vertebrae?

A

triangular in shape

smaller than in the cervical region, but larger than in the thoracic region

20
Q

how does the transverse process of the typical lumbar vertebrae project?

A

projects laterally and slightly posteriorly from the lamina-pedicle junction

21
Q

in the typical lumbar vertebrae what is thin and slender and increases in length from L1 to L3, then decreases from L3 to L5

A

the transverse process

22
Q

where is the accessory process located in the typical lumbar vertebrae?

A

at the posterio-inferior root of the transverse process

23
Q

the costal element of thetypical lumbar vertebrae forms most of the?

A

transverse process, including the transverse tubercle

24
Q

the costal element of the typical lumbar vertebrae may occasionally develop into a?

A

lumbar rib, usually at L1

25
Q

the true transverse process includes the?

A

accessory process

26
Q

what direction does the superior articular facet face on the typical lumbar vertebrae?

A

faces backward, upward, and medial (BUM)

facet is usually concave

27
Q

what direction does the mammillary process project on the typical lumbar vertebrae?

A

projects posterio-laterally from the superior articular facet

28
Q

what direction does the inferior articular facet face on the typical lumbar vertebrae?

A

faces forward, laterally, and downward. (FoLD)

Facet is usually convex

29
Q

on the typical lumbar vertebrae the distance between the right and left superior articular process is _________ than that between the right and left inferior articular process distance.

A

greater

30
Q

which has a greater distance? the right and left superior articular process or the right and left inferior articular process

A

the distance between the superior right and left articular process is greater than inferior

31
Q

the pars articularis of the typical lumbar vertebrae is more robust than the?

A

thoracic region

consists entirely of compact bone

32
Q

describe the spinous process of the typical lumbar vertebrae?

A

short anterior to posterior,
deep superior to inferior
narrow laterally

33
Q

what is the shape of the spinous process of the typical lumbar vertebrae?

A

hatchet shaped

34
Q

what is the direction of the spinous process of the typical lumbar vertebrae?

A

directs posteriorly, with a large spinous tubercle