Spinal fusion is a surgical procedure in which two or more vertebrae are permanently joined into one solid bone with no space between them. Vertebrae are the small, interlocking bones of the spine. In ...

The lumbar vertebrae are the largest movable bones of the backbone. Their large size and bone strength is necessary because these vertebrae support more weight than the upper two segments of the ...

The spine, or backbone, is a long column of bones that runs down the center of a person’s back. It is essential for many functions, such as movement, support, and protecting the spinal cord. A ...