Often this is caused by a spinal disc protrusion. “This is a disc that bulges or protrudes, squashing one of the nerves,” he explains. The sciatic nerve runs from the spinal cord in the lower ...

Beside them qualitative parameters, e.g., disc protrusion or hypertrophic facet joint degeneration, are used to describe abnormalities in the lumbar spine. Lumbar spinal stenosis is a common ...