Regardless of the equipment used, the purpose of traction is to decompress neurovascular structures by separating vertebral segments through the progressive application of a pulling force.
The spine is a long, hollow tube that has multiple openings to allow for the passage of the spinal cord and nerve roots. Over time, bone, ligaments, and discs can constrict the canal.
Tailbone pain can make sitting and leaning back very uncomfortable. But on the bright side, most people with tailbone pain respond very well to conservative treatment.
A back sprain or strain can occur when you lift too much weight, play a strenuous sport, or even bend or twist improperly during the course of a regular day.