Chapter 9

Question 1

How many vertebrae are there in the lumbar spine?

Answer 1

5
10-15% of people have 6

Question 2

Characteristics of lumbar vertebrae

Answer 2

Small transverse process
Spinous process is the level of the inferior disk space
Larger than cervical and thoracic vertebrae

Question 3

What view is used to see the intervertebral foramina?

Answer 3

Lateral

Question 4

What makes up the intervertebral foramina?

Answer 4

Superior and inferior vertebral notches of the pedicles

Question 5

What position is used to see upper Z-joints? Lower Z-joints?

Answer 5

Upper vertebrae - 50 degree oblique
Lower vertebrae - 30 degree oblique

Question 6

How is the apex pointed on the Sacrum?

Answer 6

Pointed downward

Question 7

How many sets of pelvic sacral foramina are there?

Answer 7

4

Question 8

What helps form the wall of the inlet of the true pelvis

Answer 8

Promontory

Question 9

What is a continuation of the vertebral canal and contains sacral nerves

Answer 9

Sacral canal

Question 10

What forms the median sacral crest

Answer 10

Fused spinal processes of the sacral vertebrae

Question 11

The sacrum articulates with the pelvis at the:

Answer 11

Auricular surface (resembles the auricle of the ear)

Question 12

SI joint opens obliquely at about:

Answer 12

30 degrees

Question 13

CR for AP L-spine

Answer 13

L4-L5

Question 14

Patient position for oblique lumbar

Answer 14

45 degrees

Question 15

CR for oblique lumbar

Answer 15

L3
1.5” above crest, 2” medial to upside ASIS

Question 16

What joints are shown in oblique lumbar?

Answer 16

Z joints

Question 17

Are upside or downside joints shown in posterior oblique?

Answer 17

Downside

Question 18

Are upside or downside joints shown in anterior oblique?

Answer 18

Upside

Question 19

What position is used when you see Scottie Dogs

Answer 19

Oblique

Question 20

CR for lateral lumber

Answer 20

Iliac crest, L4-L5

Question 21

What position is needed to see intervertebral foramina of L1-L4

Answer 21

Lateral lumbar

Question 22

CR for scoliosis series

Answer 22

Bottom of IR about 2-3” below iliac crest

Question 23

Angle for AP Sacrum

Answer 23

15 degrees cephalic (to the nose)

Question 24

Angle for AP coccyx

Answer 24

10 degrees caudal (to the toes)

Question 25

CR for AP sacrum

Answer 25

2" above pubic symphysis

Question 26

CR for AP Coccyx

Answer 26

2" above pubic symphysis

Question 27

CR for lateral sacrum

Answer 27

3-4" posterior to ASIS

Question 28

CR for AP SI joints

Answer 28

2" below ASIS

Question 29

Angle for AP SI joints

Answer 29

30 degrees cephalic

Question 30

Patient oblique angle for SI joints

Answer 30

25-30 degrees

Question 31

CR for oblique SI joints

Answer 31

1" medial to upside ASIS

Question 32

What is the largest and broadest part of the coccyx

Answer 32

Base

Question 33

What does the base of the coccyx consist of

Answer 33

2 transverse processes

Question 34

The distal pointed tip of the coccyx is the:

Answer 34

Apex

Question 35

The curvature of the coccyx apex is more pronounced in men or women?

Answer 35

Men

Question 36

The angle of the sacrum is greated in men or women?

Answer 36

Women

Question 37

What is the Scottie Dog's ear

Answer 37

Superior articular process

Question 38

What is the Scottie Dog's nose

Answer 38

Transverse process

Question 39

What is the Scottie Dog's eye

Answer 39

Pedicle

Question 40

What is the Scottie Dog's neck

Answer 40

Pars interarticularis (lamina)

Question 41

What is the Scottie Dog's leg

Answer 41

Inferior articular process

Question 42

What parts of the Scottie dog form the Z joint

Answer 42

Front leg of the scottie above and the ear of the scottie below

Question 43

What Z-joints are seen in posterior oblique positions?

Answer 43

RPO - right LPO - left

Question 44

What Z-joints are seen in anterior oblique positions?

Answer 44

RAO - left LAO - right

Question 45

CR angle for L5-S1 AP Axial

Answer 45

Men - 30 degrees Women - 35 degrees

Question 46

CR angle for lateral L5-S1 shot

Answer 46

5-8 degrees caudal

Question 47

Why are the knees flexed in AP lumbar position?

Answer 47

Helps open intervertebral disk spaces

Question 48

In a lateral lumbar position, how should the CR angle be for a patient with a wider pelvis and narrow throax

Answer 48

5-8 degrees caudal

Question 49

If a patient has scoliosis, how should the patient be placed for the lateral position

Answer 49

Sag or convexity of the spine down

Question 50

What images are obtained for a spinal fusion series?

Answer 50

Hyperextension and hyperfexion And generally right and left bending positions

Question 51

What should be done to demonstrate the inferior or distal part of the SI joints more clearly in oblique positions?

Answer 51

Angle CR 15-20 degrees cephalic