Total of 60 patients with a diagnosis of spinal stenosis is planned for 30 patients, with physical therapy modeling and exercise, and 30 patients with surgical treatment. Patients will be evaluated by the same physician 5 times, before early primary treatment, 1st month, 3rd month, 6th month and 12th month after treatment.

Patients between 40-85 years old who are hospitalized and treated with the diagnosis of LSS in Physical Medicine and rehabilitation, Orthopedics and Neurosurgery Clinics will be included in the study. The diagnosis of LSS will be made by MR and / or CT and neurogenic claudication history.

Total of 60 patients with a diagnosis of spinal stenosis is planned for 30 patients, with physical therapy modeling and exercise, and 30 patients with surgical treatment, and the duration of the study is considered to be 24 months. Patients will be evaluated by the same physician 5 times, before early primary treatment, 1st month, 3rd month, 6th month and 12th month after treatment.

Clinical evaluation will be done by the same physician. In patients with spinal stenosis, pain (movement, rest, night) VAS, functional status walking distance and ILBDI (Istanbul waist pain disability index) inquiry form, Nottingham Extended Life Profile will be used.

Inclusion Criteria:

1. To be between 40-85 years old
2. Defining neurogenic claudication in patient anamnesis
3. Diagnosis of lumbar stenosis in MR and / or CT imaging
4. The duration of the symptom should be at least 4 weeks
5. Other causes of low back pain have been ruled out

Exclusion Criteria:

1. Having had lumbar surgery before
2. Physical therapy for lumbar spinal stenosis less than 3 months ago
3. Any lumbar injection has been applied before
4. Patients with inflammatory low back pain
5. Patients with spinal stenosis due to spondylolysis and / or spondylolisthesis
6. Patients with a history of trauma and suspected Vertebral fracture

It is planned to take 60 patients with a diagnosis of spinal stenosis to perform physical therapy models and exercise for 30 patients and surgical treatment for 30 patients. Patients between the ages of 40-85 will be admitted and no difference will be made in terms of gender. The child patient will not be included in the study.