Most likely it is your connective tissues that click over other tissues as you move your joints. It is benign unless there is pain associated with the movement.
(NaturalNews) Rheumatoid arthritis is a chronic auto-immune disease where the body's immune system attacks different regions of the body. This disease is characterized by chronic inflammation that destroys joints, tissues and organs over a period of time. A recent study published in the Annals of Vertebral Subluxation Research describes how specific chiropractic adjustments and rehab exercises demonstrated outstanding results in a woman with long-term rheumatoid arthritis.