There are easy ways to take pressure off of the lumbar spine. Modifications to standing, sitting and lying down can make a big difference.
Back pain - Wikipedia
What Causes Back Pain? – Spine Anatomy Overview
About Spinal Stenosis CORE Therapy & Pilates
The Spine: Anatomy and Function
Lumbar Spine Anatomy and Pain
L2-S1 lumbar spine MBS model based on CT data including passive
The Lumbar Spine: Anatomy and Function
Computed Tomography (CT or CAT) Scan of the Spine
Information about spine and intervetebral disc anatomy