Effect of changes by physical program on muscular and skeletal systems of secondary school students

BENDÍKOVÁ, Elena et al. Effect of changes by physical program on muscular and skeletal systems of secondary school students. In Journal of Physical Education and Sport. - Piteşti : Editura Universităţii din Piteşti, 2020. ISSN 2247-8051, 2020, vol. 20, no. 4, pp. 1681-1687. Dostupné na: https://doi.org/10.7752/jpes.2020.04228.