IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-7-51111 Original Research Paper Effectiveness Of Closed Kinetic Chain Exercises To Improve Quadriceps Strength And Functional Status In Patients With Knee Osteoarthritis Chan Basha Dr. Dr Renuka Pal Dr. July 2023 12 7 01 02