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 ...

also known as coccydynia is a pain or discomfort that occurs in the coccyx, the small triangular bone in the base of the ...

It can also include cancers, such as prostate cancer, that metastasize or spread to bone from their primary site. Most causes ...