Ankylosing spondylitis is an inflammatory disease that, over time, can cause some of the bones in the spine (vertebrae) to fuse.Fused vertebrae can flatten the natural curves of the spine, which causes an inflexible, hunched posture.
Ankylosing spondylitis is an inflammatory disease that, over time, can cause some of the bones in the spine (vertebrae) to fuse.Fused vertebrae can flatten the natural curves of the spine, which causes an inflexible, hunched posture.
