Effectiveness of High Intensity Laser Therapy (HILT) in Patients With Chronic Lumbar Radiculopathy Due to Disc Herniation.

Inclusion Criteria: * Patients diagnosed with lumbar radiculopathy due to lumbar disc herniation and whose complaints are correlated with lumbar MRI * Patients aged 18-65 years * Patients who agreed to participate in the study * Literate patients Exclusion Criteria: * Pregnancy * Patients with cardiac pacemakers * Patients with a diagnosis of inflammatory rheumatic disease, * Patients with a diagnosis of polyneuropathy that precludes receiving treatment, * Patients with active or history of malignancy within the last 1 year and currently receiving chemotherapy and/or radiotherapy, * Patients with serious psychiatric illness, * Patients with severe coagulation disorders, * Spinal Stenosis (patients with spinal canal diameter less than 8 mm) * Patients with neurologic deficits that prevent them from receiving treatment, * Patients with active infection, * Patients with vasculitis, * Patients with skin disease in the treated area, * Patients who received steroid injections and/or physical therapy for the lumbar region within the last 3 months, * Patients undergoing lumbar spine surgery, * Patients with acute trauma, * Patients with a history of lumbar instability, * Patients with uncontrolled or severe cardiovascular or metabolic disorders