Effect of Plyometric Push-Up Training on Arm Muscle Strength in Junior High School Extracurricular Activities in Mataram. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 3, p. 3448–3454, 2025. DOI: 10.26858/cjpko.v17i3.517. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/517. Acesso em: 1 feb. 2026.