%0 Journal Article
%T IMPROVING THE EFFECTIVENESS OF THE FIRST SWIMMING MOVEMENTS IN 13-14- YEAR-OLD SWIMMERS
%A Ivchenko, E.V.
%A Fedorov, P.O.
%K swimming, elements of competitive activity, swimming technique, hypoxia
%J Scientific notes of P. F. Lesgaft University
%D 2023
%N 0
%P 3
%I National State University of Physical Education, Sports and Health named after P.F. Lesgaft