lumbar outline

Question 1

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

Answer 1

largest

Question 2

true or false

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

Answer 2

true

Question 3

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

Answer 3

vertebral body
pedicle
lamina-pedicle junction

Question 4

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

Answer 4

shortest

Question 5

how many lumbar vertebra are there?

Answer 5

5 on average

Question 6

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

Answer 6

7

Question 7

what are the seven secondary centers of ossifciation?

Answer 7

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

Question 8

what are the typical lumbar vertebrae?

Answer 8

(L1-L4)

Question 9

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

Answer 9

reniform

Question 10

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

Answer 10

the posterior height is slightly greater than the anterior height

Question 11

on L1-L3 what increases in size?

Answer 11

the lateral width

Question 12

what is the pedicle orientation on the typical lumbar vertebrae?

Answer 12

primarily posterior, similar to the thoracic vertebrae

Question 13

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

Answer 13

small (between cervical and thoracic depths)

Question 14

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

Answer 14

Deep (between cervical and thoracic depths)

Question 15

describe the intervertebral foramen of the typical lumbar vertebrae?

Answer 15

faces laterally
(upside-down) pear shape in outline

Question 16

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

Answer 16

the vertebra making up the superior border of the intervertebral foramen

Question 17

the lamina of the typical lumbar is?

Answer 17

broad, top to bottom

Question 18

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

Answer 18

L1 to L5

Question 19

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

Answer 19

triangular in shape

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

Question 20

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

Answer 20

projects laterally and slightly posteriorly from the lamina-pedicle junction

Question 21

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

Answer 21

the transverse process

Question 22

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

Answer 22

at the posterio-inferior root of the transverse process

Question 23

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

Answer 23

transverse process, including the transverse tubercle

Question 24

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

Answer 24

lumbar rib, usually at L1

Question 25

the true transverse process includes the?

Answer 25

accessory process

Question 26

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

Answer 26

faces backward, upward, and medial (BUM) | facet is usually concave

Question 27

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

Answer 27

projects posterio-laterally from the superior articular facet

Question 28

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

Answer 28

faces forward, laterally, and downward. (FoLD) | Facet is usually convex

Question 29

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.

Answer 29

greater

Question 30

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

Answer 30

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

Question 31

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

Answer 31

thoracic region | consists entirely of compact bone

Question 32

describe the spinous process of the typical lumbar vertebrae?

Answer 32

short anterior to posterior, deep superior to inferior narrow laterally

Question 33

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

Answer 33

hatchet shaped

Question 34

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

Answer 34

directs posteriorly, with a large spinous tubercle