Investigation of the Relationship Between Pelvic Tilt and Unilateral Sacroiliac Pain

Date of Award

Fall 12-1994

Document Type


Degree Name

Master of Science (MS)


Rehabilitation Sciences


Physical Therapy

Call Number for Print

Special Collections LD4331.P45J66


Low back pain is the nation's leading cause of disability. Differential diagnosis of a low back injwy can be complicated and uncommon disorders can be overlooked. Many of the signs and symptoms related to low back pain may in fact be caused by sacroiliac dysfunction. Reliability of the current clinical tests for detection of sacroiliac involvement has been of concern. Recently more focus has been given to the use of pelvic tilt measurement as a source of clinical information on the sacroiliac joint. The purpose of this study was to examine the correlation of unilateral sacroiliac dysfunction with asymmetrical changes in pelvic tilt measurement. This study measured pelvic tilt angles in symptomatic (n = 8) and asymptomatic (n = 8) subjects. Results indicated reliability of r = 0.95 for all data collected. There was a statistically significant (at a= 0.025) difference between right and left pelvic tilt in symptomatic subjects but not in asymptomatic subjects. The absolute difference in pelvic tilt between the right and left sides within the symptomatic subjects was found to be statistically significant when compared to the absolute difference in asymptomatic subjects.


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