L spine

Question 1

side of interest in oblique L spine

Answer 1

down side

Question 2

what joints are visualized in oblique L spine

Answer 2

lumbar Zygopopheseal joints

Question 3

eye of the scotty dog

Answer 3

pedicle

Question 4

nose of the scotty dog

Answer 4

transverse process

Question 5

neck of the scotty dog

Answer 5

pars interarticularis

Question 6

front leg of the scotty dog

Answer 6

inferior articular process

Question 7

ear of the scotty dog

Answer 7

superior articular process

Question 8

tail of the scotty dog

Answer 8

superior articular process of the opposite side

Question 9

body of the scotty dog

Answer 9

lamina and spinous process

Question 10

back leg of the scotty dog

Answer 10

inferior articular process of the opposite side

Question 11

which parts of the scotty dog form the Z joint

Answer 11

ear of inferior vertebrae, front leg of superior vertebrae

Question 12

degree of obliquity for oblique L spine

Answer 12

45 degrees

Question 13

if overrotated, pedicle is ____ of body

Answer 13

posterior

Question 14

if underrotated, pedicle is ____ of body

Answer 14

anterior

Question 15

CR for lumbar oblique L spine

Answer 15

2 in medial to elevated ASIS, 1-1.5 inches above crest

Question 16

collimation for oblique L spine

Answer 16

9 x 12

Question 17

degree of obliquity to show L5 S1 Z joints

Answer 17

60 degrees

Question 18

CR to show L5 S1 z joints

Answer 18

midway between ASIS and crest, 2 in medial

Question 19

breathing and arms instructions for oblique L spine

Answer 19

suspend respiration, arms like praying

Question 20

collimation for flexion and extension L spine

Answer 20

14 x 17

Question 21

CR for flexion / extension L spine

Answer 21

midcoronal plane @ level of spinal fusion (L3)

Question 22

breathing for flexion extension L spine

Answer 22

suspend respiration

Question 23

what pathology is shown for flexion extension L spine

Answer 23

motion in area of spinal fusion indicating non union, or herniated disk