Analytical Study of Some of the Biomechanical Variables of the start phase and Their Relation with Achievement of the 50 m Freestyle Swimming In Advance Swimmers. Journal of Physical Education, [S. l.], v. 29, n. 4, p. 86–98, 2017. DOI: 10.37359/JOPE.V29(4)2017.270. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/270.. Acesso em: 28 apr. 2024.