A Retrospective Consecutive Case Analysis of Pretreatment and Comparative Static Radiological Parameters Following Chiropractic Adjustments

The data from pre and comparative post measurements of retrolisthesis showed a significant reduction of approximately 34%. No reduction was seen in a control group with retrolisthesis.

Plaugher G, Cremata E, Phillips R.   J Manipulative Physiol Ther 1990 (Nov-Dec); 13 (9): 498-506