Spinal Stenosis: Lumbar

Picture of lumbar spinal stenosis
Picture of a normal spinal canal and a narrowed spinal canal (cross section)

When the spinal canal in the low back becomes narrower (stenosis), the nerve roots get squeezed.

ByHealthwise Staff

Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine

Specialist Medical Reviewer Kenneth J. Koval, MD - Orthopedic Surgery, Orthopedic Trauma

Current as ofMarch 21, 2017

Current as of: March 21, 2017

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Kenneth J. Koval, MD - Orthopedic Surgery, Orthopedic Trauma