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 ...

Block vertebrae is when two or more vertebrae are fused. It’s present from birth and can cause pain and reduced range of motion. Treatment may include medications, physical therapy, or surgery. Your ...