%0 Journal Article %T Monitoring the effectiveness of competitive activities of highly qualified taekwondo athletes using physiological markers %A Mel'nikov, D.S. %A Seliverstova, V.V. %A Shchedrina, Y.A. %A Pavlenko, A.V. %K taekwondo, heart rate variability, athlete's functional state, sports physiology %J Scientific notes of P. F. Lesgaft University %D 2025 %N 0 %P 4 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft