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Background: Neurologic claudication (NC) is one of the most common clinical symptoms in patients with spinal canal stenosis. The patient feels pain and paresthesia in his lower extremity during walking that is relieved by stooping ahead. Sagittal balance of spine is one of the most important factors in treating patients with spinal stenosis. The study was conducted to determine if neurogenic claudication has any effect on spinal sagittal balance in patients with lumbar canal stenosis.