Kurniawan, Andriaz, Endang Ambarwati, and Erna Setiawati. “Effect of Additional Strengthening Exercises Using Resistance Bands on Quadriceps Femoris Muscle Strength in Elderly”. Medica Hospitalia : Journal of Clinical Medicine 9, no. 1 (March 28, 2022): 48–54. Accessed May 5, 2024. http://medicahospitalia.rskariadi.co.id/medicahospitalia/index.php/mh/article/view/677.