“The Physical Activity Levels and Musculoskeletal Disorders in Semarang City Health Service Employees”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 18, no. 2 (May 25, 2026): 2930–2945. Accessed May 30, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/786.