Lumbar, Sacrum, Coccyx CR and tube angulations
25-30 degrees RPO and LPO
Body obliquity for AP OBL SI joints
2" superior to pubic symphysis
CR for AP Coccyx:
1.5" above Iliac Crest on MSP
CR for AP L-Spine:
1.5" above the Iliac Crest at the level of L3
CR for Flexion and Extension L-Spine:
2" posterior to ASIS and 1.5" inferior to Iliac crest
CR for L5/S1"
1.5" above Iliac Crest on MCP
CR for Lateral L-Spine:
At Iliac Crest
CR for Lateral Lumbosacral:
3.5" posterior to ASIS
CR for Lateral Sacrum/Coccyx:
At Iliac crest/ level of L4 on MSP
CR for Lumbosacral:
2" medial to elevated ASIS
CR for Oblique L-Spine:
at level of ASIS and 1" medial to elevated ASIS
CR for SI joints:
farthest
Image shows open SI joint _________ from IR:
Right
LPO shows what open SI joint?
Standing
Is the patient standing or supine for scoliosis series?
Left
RPO shows what open SI joint?
30 degrees cephalic
SI joint AP Sacrum tube angulation:
5 degrees for males and 8 degrees for females
Tube angulation for L5-S1 Male and Female:
5-8 degrees caudal
Tube angulation for Lateral L-Spine:
Zygapophyseal joints closest to the IR in the LPO and RPO position
What is shown for AP obliques for OBL L-Spine?
2" superior to pubic symphysis
What is the CR for AP sacrum?
PA to reduce radiation exposure
What is the projection for Scoliosis series and why?
10 degrees caudal
What is the tube angulation for AP Coccyx?
15 degrees cephalic
What is the tube angulation for AP sacrum?
After surgical fusion
When is flexion and extension often done?