KADAMOVICH , S. A. EFFECTIVENESS OF A SPECIALIZED BLOCK-BASED TRAINING MODEL FOR DEVELOPING PHYSICAL FITNESS OF SCHOOL-AGE ATHLETES THROUGH WEIGHTLIFTING. Mental Enlightenment Scientific-Methodological Journal, [S. l.], v. 7, n. 04, p. 607–614, 2026. DOI: 10.37547/mesmj-V7-I4-68 . Disponível em: https://mentaljournal-jspu.uz/index.php/mesmj/article/view/1391. Acesso em: 15 may. 2026.