Fact Sheet; Type "Ankylosing Spondylytis" [without quotes] in search box at this Web Site for additional information.

Overview of this spinal arthritic condition includes anatomy (with diagrams), causes, symptoms, diagnosis, and treatment options. Commercial

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Information on over 100 types of arthritis and the drugs and procedures used to treat them. Uncertain

Information on over 100 types of arthritis and hundreds of other types of inflammatory and autoimmune diseases.
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The bursa is what cushions the tendon and thereby helps prevent friction between the tendon and the bone.  Unfortunately, constant rubbing of the tendon over the bone with high amounts of repetitive arm, shoulder, hip, knee and ankle motion can lead to enough friction of the bursa itself to cause the inflammation and irritation of the bursa called bursitis.

Medscape Patient Education Resources

University of Maryland Expert

Definition Nonsteroidal anti-inflammatory drugs (NSAIDs) are medications other than corticosteroids that relieve pain, swelling, stiffness, and inflammation. Encyclopedia of Surgery: A Guide for Patients and Caregivers Expert

Medscape Patient Education Center on Osteoarthritis

Overview of this bone disorder including information on cause, facts and myths, symptoms, diagnosis, and treatment.

University fo Maryland

In Ankylosing Spondylitis Diary and Diet Research - the Chronicles of Zark Patient Provider

University of Washington Expert