Comparison of the effects of acupuncture and isometric exercises on symptom of knee osteoarthritis.

Background: The investigation and comparison of the effects of acupuncture and isometric exercises on pain and quality of life in patients suffering from knee osteoarthritis (OA). OA is the most common form of joint disease and one leading cause of disability in the elderly. The symptoms of OA are pain, morning stiffness, and joint limited motion.