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?