The coccyx is the last bone at the bottom of the spine, also known as the tailbone. Coccydynia is the medical name for pain in the tailbone. It can occur if a person injures or strains their ...

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 can make it ...

There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral vertebrae, which are fused as one bone and known as the sacrum, in the sacral region. There are 3 to 5 coccygeal vertebrae, which ...