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Ankylosing Spondylitis

What Are the Health Effects of Spinal Fusion From Ankylosing Spondylitis?

Spinal fusion may affect more than just your mobility.

Hilary WeissmanSanjai Sinha, MD
Written by Hilary Weissman | Reviewed by Sanjai Sinha, MD
Updated on January 18, 2026
Featuring Nilasha Ghosh, MD, MSReviewed by Sanjai Sinha, MD | January 18, 2026

Spinal fusion is when inflammation in the spine from ankylosing spondylitis causes the vertebrae to fuse together over time. This turns the spine from a flexible, dynamic set of bones into one immobile mass. Not only does it take away your range of motion, but spinal fusion also has other serious health effects on the body.

References

Kim, D, et al. (2020). Complete fusion of three lumbar vertebral bodies in ankylosing spondylitis. Korean Journal of Neurotrama.

Koele, M. C., et al. (2020). The clinical relevance of hyperkyphosis: a narrative review. Frontiers in Endocrinology.

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Hilary Weissman
Written by:
Hilary Weissman
Hilary Weissman has been a health writer for the past 6 years. She was a senior copywriter at WW (Weight Watchers) before joining GoodRx and was also a copy editor in S&P Global’s structured finance ratings group for 3 years prior.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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