Kherrachi , T. and Akezouh, S. (2025) “The effect of a running program on the weight and VO2max of U19 football players - study carried out by the Polar system during the interruption period caused by the Covid-19 pandemic”., sports creativity, 12(01), pp. 554–574. Available at: https://journals.univ-msila.dz/index.php/JOSC/article/view/1371 (Accessed: 20 December 2025).