The Immediate Effect Of Shockwave Therapy On the Quadratus Lumborum (QL) Muscle Trigger Points vs Regular Back Exercises in Chronic Nonspecific Low Back Pain

the study aims to compare the effect of regular back exercises with shockwave therapy by treating male patients with non-specific low back pain between the age of (20-40). Who will be devided into 3 groups, and will be treated by shockwave therapy , exercises or both combined. After signing a consent form, patients will be assigned to the groups blindly, so the patients will not know if they are in the experimental or control group. Hypothesis: The hypothesis of this study states that: o Research hypothesis: there will be a significant difference between the radial ESWT and back exercises in reducing LBP