Syafei, A., james tangkudung, and junaidi. “Effect of Quadriceps Muscle Strength, Range of Knee Motion and Motivation on Static Body Balance in Patients Post Anterior Cruciate Ligament (acl) Reconstruction ”. Gladi : Jurnal Ilmu Keolahragaan, Vol. 14, no. 01, Mar. 2023, pp. 29 -42, http://103.8.12.212:33180/unj/index.php/gjik/article/view/24602.