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PELVIS FILM ANALYSIS
 

The A-P Lumbopelvic Analysis||

The femur heads (FH) should be level. A line perpendicular to the FH, dropped down from the S2 tubercle should dissect the symphysis pubis and create 2 identical sides of the pelvis. The spine should be straight with spinous processes at midline. The obturator foramen should be almond shaped. The sacral tip should be 1" above the symphysis. The pelvic inlet should be heart shaped.

A "PI" (posterior inferior) pelvis will have taller obturators. The sacrum will be seen to sink below the symphysis. ; The AS (anterior superior) pelvis will have small or no obturator foramen, and sacrum will rise above the symphysis.

When the perpendicular line from the FH crosses the pubic bone off-centered from the symphysis, the patient has an IN-EX, or an axially rotated pelvis. The EX side will have a wide obturator, the IN side will have a narrow obturator. The symphysis pubis will also be seen to move towards the IN side.

Lateral Film Analysis||

The lumbar curve should have a 22-30-cm. radius. All segments should remain on George's line. Disc spaces should be uniform. Femur heads should overlap.

Lateral Bending Film Analysis||

In the lumbar spine, the motion is opposite what occurs in the cervical spine. The spinous processes must move to the side the patient leans to. If you lean to the right, the spinous processes must move to the right.

 

Cafe of Life Chiropractic || Miami Beach, FL  

(305) 674-9321