Reviewed by Michael Smith on December 11, 2018
Sources
Mayo Clinic: “Ankylosing spondylitis.”<br> Spondylitis Association of America: “Exercise.”<br> U.S. National Library of Medicine: “Ankylosing spondylitis.” <br>Spondylitis Association of America: “How Is a Person Affected?” <br>Mayo Clinic: “Decrease stress by using your breath,” “Slide show: Prevent back pain with good posture.”
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