The Effect of Resistance Training Using Used Car Tires On The Improvement of 100-Meter Sprint Speed. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 1, p. 1022–1031, 2026. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/596. Acesso em: 21 feb. 2026.