Tuty Swarni Sinaga, Jhon Roby Purba, Theresia Anggraeni, and AfnizarWahyu. “The Effect Of Static By Cycle Exercise On Genu Stiffness In Osteoatritis At Pure Muurni Teguh Hospital Medan”. International Journal of Community Service Implementation 3, no. 2 (September 27, 2025). Accessed May 30, 2026. https://afdifaljournal.com/journal/index.php/ijcsi/article/view/332.