RAD-112: LUMBAR SPINE POSITIONING
What is the patient rotation for an AP axial oblique lumbar spine? - Answers :45°
What is the CR for an AP axial oblique lumbar spine? - Answers :1.5" above the iliac
crest
2" medial to the upside ASIS
Which zygapophyseal joints are demonstrated on the AP (RPO/LPO) oblique positions?
- Answers :Those *closest* to the IR.
What is the patient rotation for a PA axial oblique lumbar spine? - Answers :45°
What is the CR for a PA axial oblique lumbar spine? - Answers :1.5" above iliac crest
2" lateral to spinous process
Which zygapophyseal joints are demonstrated on the PA (RAO/LAO) oblique positions?
- Answers :Those furthest from the IR.
What is the patient rotation for obliques of the sacroiliac joints? - Answers :25-30°
What is the CR for the obliques of the sacroiliac joints? - Answers :1" medial to the
upside ASIS
What is the CR for an AP lumbar spine? - Answers :perp to 1.5" above iliac crest on
MSP
(11x14 field size)
What is the CR for an AP lumbo-sacral spine? - Answers :at the iliac crest on MSP
(14x17 field size)
What is the CR for an AP axial L5/S1? - Answers :Level of ASIS on MSP.
M: 30° cephalic
F: 35° cephalic
What is the CR for AP axial S.I. joints? - Answers :2" below ASIS on MSP
M: 30° cephalic
F: 35° cephalic
What is the CR for an AP axial sacrum? - Answers :2" superior to pubis symphysis
10° caudal
What is the patient rotation for an AP axial oblique lumbar spine? - Answers :45°
What is the CR for an AP axial oblique lumbar spine? - Answers :1.5" above the iliac
crest
2" medial to the upside ASIS
Which zygapophyseal joints are demonstrated on the AP (RPO/LPO) oblique positions?
- Answers :Those *closest* to the IR.
What is the patient rotation for a PA axial oblique lumbar spine? - Answers :45°
What is the CR for a PA axial oblique lumbar spine? - Answers :1.5" above iliac crest
2" lateral to spinous process
Which zygapophyseal joints are demonstrated on the PA (RAO/LAO) oblique positions?
- Answers :Those furthest from the IR.
What is the patient rotation for obliques of the sacroiliac joints? - Answers :25-30°
What is the CR for the obliques of the sacroiliac joints? - Answers :1" medial to the
upside ASIS
What is the CR for an AP lumbar spine? - Answers :perp to 1.5" above iliac crest on
MSP
(11x14 field size)
What is the CR for an AP lumbo-sacral spine? - Answers :at the iliac crest on MSP
(14x17 field size)
What is the CR for an AP axial L5/S1? - Answers :Level of ASIS on MSP.
M: 30° cephalic
F: 35° cephalic
What is the CR for AP axial S.I. joints? - Answers :2" below ASIS on MSP
M: 30° cephalic
F: 35° cephalic
What is the CR for an AP axial sacrum? - Answers :2" superior to pubis symphysis
10° caudal