The spine (aka backbone) is a linked column of bones running from ... There are 3 to 5 coccygeal vertebrae, which are fused as one bone and known as the coccyx (commonly known as the tailbone), in the ...

Tailbone pain, also known as coccydynia is a pain or discomfort that occurs in the coccyx, the small triangular bone in the base of the spine. It can range from a mild ace to a sharp pain, which ...