ZAITSEV V.S. IMPACT OF REACTION TIME ON 50M FREESTYLE PERFORMANCE IN MALE SWIMMERS: A DIFFERENTIAL ANALYSIS ACROSS QUALIFICATION LEVELS. Theory and Practice of Physical Culture, [S. l.], n. 8, p. 85–89, 2025. Disponível em: http://www.tpfk.ru/index.php/TPPC/article/view/1441. Acesso em: 5 dec. 2025.