The coccyx bone is located in the lower spine
. It consists of four to six fused vertebrae, which are from the remains of a human "tail" which disappeared during the course of human evolution. The coccyx is located between the sacrum and the anal sphincter
. This bone is essential for the structural balance and support of the human body
. Fractures of the coccyx are possible in the case of a fall on the buttocks
and only rest and the absence of movement is recommended for healing. When moving, an intrarectal manipulation but also surgery may be required.