IMPACT OF NON-WEIGHT BEARING EXERCISES ON QUALITY OF LIFE FOR ELDERLY PEOPLE WITH OSTEOARTHRITIS (OA) OF THE KNEE : IMPACT OF NON-WEIGHT BEARING EXERCISES ON QUALITY OF LIFE FOR ELDERLY PEOPLE WITH OSTEOARTHRITIS (OA). VIMSJPT. 2020;2(1):46-49. doi:10.46858/VIMSJPT.2109