Inclusion Criteria:  • pain in the SI region for at least 12 weeks (chronic) and had no previous physical therapy treatment  SIJ dysfunction confirmed by tests described by McGrath et al. These tests included the SI compression, SI distraction, Squish, and Gaenslen.  Exclusion Criteria:  Subjects with clinical and imaging evidence of any other spinal or pelvic co-morbidity potentially responsible for pain radiating through the sacroiliac region. True leg length discrepancy [measured from the anterior superior iliac spine (ASIS) to the medial malleolus.  Back, pelvis, hip, or knee fracture history or surgery.  • Having a systemic pathology including inflammatory joint disease Having a musculoskeletal or neurological disease Having taken anti-inflammatory medication