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Narrow lumbar canal/stenosis

Narrow lumbar canal is a pathology resulting from osteoarthritis of the vertebrae, which manifests itself as a narrowing of the spinal canal at the lumbar level. This narrowing causes cramping pain, weakness in the lower limbs, claudication after a certain distance of walking, reduced range of motion and low back pain.

Initial treatment is medical, with painkillers and physiotherapy. If the pain progresses, surgery is considered. This involves decompressing the back of the spinal canal by removing the vertebrae and spinous processes. The nerves are then no longer compressed, and the pain disappears.