Ankylosing Spondylitis

Ankylosing spondylitis (AS) is a chronic spine inflammation disease (spondylitis) that affects spine bones and can cause fusion. The fusing of the bones decreases spine flexibility and results in a hunched posture.

Rheumatoid Arthritis

Rheumatoid arthritis (RA) is an autoimmune disease that mainly affects joints. It is called an autoimmune disease because the immune system mistakenly attacks the tissues of your own body.