Spinal traction is a modality (treatment activity) often given by physical therapists, chiropractors and other spine specialists to their patients. The purpose of traction is to apply a force that draws two adjacent bones away from each other in order to make more room between them. Two adjacent bones plus the space between them is known as a spinal segment.
The neck and low back are the most common areas of the spine to receive traction. It is given manually, by means of a device or via positioning.