This research aimed to ascertain the combined and individual efficacies of MCE and BT in alleviating SIJD symptoms.

The study will be based on a four-arm parallel group randomized control design. one hundred and twenty participants with SIJD will be recruited from the Physiotherapy department, at Integral University, India. Study objectives and procedure will be properly explained and written informed consent will be obtained at the beginning of the study. All the participants will be randomly divided into four groups A, B, C, and D. Experimental group A will be receiving the hot pack, Stretching exercise, and MCE intervention, group B will receive the hot pack, Stretching exercise, and BT exercise and Group C will be receiving the hot pack, Stretching exercise, and MCE & BT intervention, control group D will receive the hot pack, Stretching exercise intervention.

Inclusion Criteria:

• Age-30-60 Years
• sacroiliac joint pain (>3 months)
• Presence of pain exacerbated as a result of bending laterally or backward
• Positive results on at least 2 of the pain-provocation tests [FABER, Posterior shear and Gaenslen pain provocation tests) and one of the motion palpation tests (ie, Gillet and forward flexion tests)

Exclusion Criteria:

• past or current history of surgery or major trauma to spine, pelvis, lower limb, chest or abdomen in the past 12 months
• lower extremity musculoskeletal disorders; known localized spinal pathology
• known congenital anomalies of hip, pelvis or spine that limits mobility
• known systematic arthropathy, neuropathy or metabolic disorder
• Presence of other causes of LBP such as lumbar discopathy and spinal stenosis discovered via clinical examination and MRI scanning
• pregnancy](streamdown:incomplete-link)