1. Syndromes of lumbo-pelvic dysfunction;Aitken,1986
2. Synovial Joints: Their Structure and Mechanics;Barnett,1961
3. The sacroiliac problem: Review of anatomy, mechanics, and diagnosis;Beal;Journal of the American Osteopathic Association,1982
4. The Sacroiliac Joint Syndrome; Pathophysiology, Diagnosis, and Management;Bernard,1991
5. Recognizing specific characteristics of non-specific low back pain;Bernard;Clinical Orthopaedics and Related Research,1987