treat

Sacrococcygeal vertebrae are reserved by human beings in the long process of evolution “ Tail ” remnant. It is usually healed by four caudal vertebrae into a small triangular bone mass, which is wide at the top and narrow at the bottom, forward and downward. The first sacral vertebra is the largest, with vertebral body, spinous process, transverse process and degenerative vertebral arch. The upper part of the vertebral body is oval, which is the bottom of the sacral vertebra, which is connected with the sacral tip to form the…