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2. 2) Park RJ, Kim SS, Kim YG, et al.: The effects of aqua- exercise on the balance of one leg stance in the elderly women. J Korea Soc Phys Ther, 2002, 14: 89-98.
3. 3) Kim JS: Factors impacting on the decrease of rom in knee osteoarthritis female patients. Chungnam National University a Master’s degree. 2003.
4. 4) Han SW: A semg analysis of knee joint angle during close kinetic chain exercise and open kinetic chain exercises in quadriceps muscle. J Korea Soc Phys Ther, 2004, 16: 192-204.
5. 5) Park YS. The effects of the difference of angle of the femoral anteversion on the electrical activity of the quadriceps femoris in isometric exercise. DanKook University special graduate school a Master’s degree. 2006.