Radiographic Positioning: Radiographic Positioning of the SI-Joints

SACROILIAC JOINTS (SI JOINTS)

ROUTINE VIEWS:
AP
RPO
LPO

AP
1. 10 x 12 film
2. Patient supine
3. Bucky
4. 40" SID
5. Central Ray: 15o cephalic angle, enter halfway between A.S.I.S. and symphysis pubis.
6. Suspended respiration

Obliques (RPO and LPO)
1. 10 x 12 film
2. Patient recumbent
3. Patient rotated 30o from AP position
4. Bucky
5. 40" SID
6. Central Ray: enters 1" medial A.S.I.S. of side up.
7. Suspended respiration