Tailbone (Coccyx) Injuries

The tailbone, or coccyx, projects below the pelvic bone, first curving backward and then curving forward at the tip. There are three to five segments dividing the coccyx. Between these segments are joints, much like those seen between the bones of the spine. However, these may be fused in the coccyx. Injuries to the region of the coccyx can result when the fused joints are repeatedly forced out of their normal positions with regular activities, causing inflammation of the tissues surrounding it.

When a person is sitting, the coccyx, along with ...