The coccyx is a small bone actually a collection of 3-5 small bones that is connected to sacrum which by a ligament. The coccyx is commonly known as the tailbone. The bone serves a function as a connection for muscles of the pelvic region. It is also a part of the weight-bearing tripod structure important for a sitting person. We can provide coccyx injection involves placing a steroid guided by fluoroscopy onto the bone to decrease inflammation.