INJURY DISORDERS OF NORTH SUMATRA PENCAK SILAT ATHLETES AT THE REGIONAL TRAINING CAMP LEADING UP TO THE XXI NATIONAL SPORTS WEEK. ISJ [Internet]. 2023 Dec. 21 [cited 2026 Mar. 23];6(2):49-55. Available from: https://jurnal.unimed.ac.id/2012/index.php/isj/article/view/54536