Lumbar spinal stenosis, also known as spinal canal narrowing, is a painful condition that affects the lower back. This condition causes compression on the spinal cord and nerves which can lead to numbness, tingling, and weakness in the legs and lower back. In medical terminology, there are several synonyms for this condition that includes lumbar radiculopathy, cauda equina syndrome, lumbar spinal cord compression, and spinal stenosis. These medical terms are often used interchangeably with lumbar spinal stenosis, but they may refer to different aspects or stages of the condition. It is essential to consult a medical professional to diagnose and treat the specific condition.