Background: Osteoarthritis, also called degenerative joint, is common in human joints.Between big joints, knee is a common joint to have pain and the most drug that is use, is .treatment exercise is a useful component of the management of knee osteoarthritis in the elderly Due to sign of disease that cause limitation of motion, illness, treatment goals should include reducing pain. Most of the drugs are used for pain are medications that have often secondary effects and are effective in reducing pain. According to effect of disease in life quality of people in society and also drug prices, this disease in a society can affect on person's health, economy and workers, and among osteoarthritis treatment method, exercise therapy is so profitable. Objective: The aim of the present study was to Effect of eight weeks central stability exercise, powerful, knee power, power of muscles, pain, and Osteoarthritis woman performance. Results: The results of research showed that both strength training and central stabilization can reduce pain and have significant role on functional recovery of patients with Osteoarthritis in elderly women. Conclusion: According to the findings of its review the background and related research it can be stated that the proper functioning of the muscles being a central role in the state of neutral pelvic obliquity. This situation can make leg bone normal and make joint knee good. If knee joint place in a good status can reduce pressure on joint muscles and also reduce pain and performance of knee joint. Moreover because knee joint in between two long leg bone and big bone, stability of upper on lower bone is more effective than when only joint stability is mentioned.

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