Effectiveness of Combined Diaphragm Strengthening and Core Stability Exercises in Individuals With Lumbar Instability

The purpose of this study is to compare the effect of combining diaphragmatic strengthening with core stability exercises versus core stability exercises alone on recovery time, pain, and stability in lumbar instability individuals.

Inclusion Criteria: * Age between 25 and 35 years. * Positive prone instability test. * Straight leg raising \>90 degrees. * Pain assessment on VAS \>5/10. * All patients will suffer from clinical lumber instability (characterized by excessive movement in specific segments during active movement and posterior-anterior spring test causing large movements and pain) Exclusion Criteria: * Patients with cardiovascular diseases. * Patients with cerebrovascular diseases. * Patients with neurological diseases. * Patients with any attention disorders or physical disability. * Patients with any diseases/conditions preventing physical activity participation. * Patients with history of back surgery, inflammatory spinal disorder, deformed vertebrae, fracture, or neurological radiating pain. * Patients with central obesity (A waist to hip ratio \>0.90 in males or \> 0.85 in females).