BURNASHEV, R. DEVELOPMENT OF A METHOD FOR OPTIMIZING STRIDE FREQUENCY AND QUANTITY TO IMPROVE THE PERFORMANCE OF SKILLED 400m AND 800m RUNNERS. Mental Enlightenment Scientific-Methodological Journal, [S. l.], v. 5, n. 08, p. 42–55, 2024. DOI: 10.37547/mesmj-V5-I8-07. Disponível em: https://mentaljournal-jspu.uz/index.php/mesmj/article/view/673. Acesso em: 30 jul. 2025.