The Effect of Dynamic Warm-Up on Students’ Physical Readiness Before Undertaking Sports Activities in Grade IV, MIN 3 Medan City. Journal of Educational Change and Innovation, [S. l.], v. 1, n. 1, p. 1–10, 2025. Disponível em: https://ejournalarsypersada.com/index.php/kjpbisi/article/view/165. Acesso em: 4 feb. 2026.