What does spinal decompression do to help with back pain?

Relief the pressure: Spinal decompression is a term that describes the relief of pressure on one or many pinched nerves of the spinal column. Spinal decompression can be achieved both surgically and non-surgically and is used to treat conditions that result in chronic back pain such as disc bulge, disc herniation, sciatica, spinal stenosis, and isthmic and degenerative spondylolisthesis.