Effect Of Applied Neuromuscular Electrical Stimulation In Addition To Lumber Stabilization Exercises On The Multifidus Muscle Thickness

The goal of this clinical trial is to show the additive effects of neuromuscular electrical stimulation (NMES) applied to the multifidus muscle in addition to stabilization exercises in patients with chronic low back pain. The main question it aims to answer is: * Does NMES have additional effects on multifidus muscle thickness? Participants will go under a treatment protocol combination of lumber stabilization exercises and NMES. Researchers will compare the groups Group 1 which has only lumber stabilization exercises and Group 2 which has both exercises and NMES to see if any changes occur in multifidus muscle thickness.