Lumban Tobing MU. The Effect Of Giving Exercise Of Passive Range Of Motion (ROM) To The Flexibility Of Knee Joint In Elderly: Subtitle : There is the Effect Of Giving Exercise Of Passive Range Of Motion (ROM) To The Flexibility Of Knee Joint In Elderly. JKII [Internet]. 2019Dec.20 [cited 2024Jul.24];4(2):41-7. Available from: https://jurnal.unar.ac.id/index.php/health/article/view/61