Thesis (M.Sc.) - Cairo University - Faculty of Physical Therapy - Department of Musculoskeletal Disorders

Introduction: Low Back Pain (LBP) is a symptom rather than a disease diagnosis. Pathology in the low back might affect the pattern of movement rather than only the range of movement. Although most people with LBP recover relatively rapidly, approximately 10% do not respond to treatment and eventually develop chronic LBP. The most likely cause for this non-response to treatment is lack of specific diagnosis and inability to distinguish, in some people, pain arising from the sacroiliac joints (SIJs) or the lumbar spine. The SIJ has been implicated as a source of low back and lowers extremity pain. Objective: To investigate the relationship between Sacroiliac joint dysfunction (SIJD) and lumber movement in sagittal and frontal plane. Methods: 40 subjects were assigned into 2 groups. group (A) control group of 20 subjects. group (B) study group 20 patients. Both groups spinal flexibility and pelvic inclination are measured. Results: There is correlation between SIJD and lumbar spine flexibility on sagittal plan. On the other hand, the results of comparison between study and control group shows that study group with less flexion and extension range of motion (ROM) with increase of pelvic asymmetry. Also Results proved no correlation between sacroiliac dysfunction and lumbar spine flexibility on frontal plan. Conclusion: There was change of lumbar spine mobility in sagittal plan on extension and overall sagittal ROM with SIJD patients, while no relationship was found with sacroiliac dysfunction on frontal plan though in comparison between groups it showed that patient with SIJD had less overall frontal plan ROM

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