Deviandri, R., Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, Netherlands, Department of Physiology, Faculty of Medicine, Universitas Riau, Arifin Achmad Hospital, Pekanbaru, Indonesia; Siswanto, I.G.M.F., Department of Orthopedics Sport Injury, Royal Progress Hospital Jakarta, Indonesia; Lubis, A.M.T., Department of Orthopedics, Faculty of Medicine, Universitas Indonesia, Cipto Mangunkusumo Hospital, Jakarta, Indonesia