%0 Journal Article %T OPTIMIZATION OF THE CONTROL OF THE TRAINING PROCESS OF HIGHLY QUALIFIED SWIMMERS BASED ON THE ANALYSIS OF HEART RATE VARIABILITY INDICATORS %A Pankov, D.A. %A CHernogorov, D.N. %K training process, swimming, heart rate, physical activity %J Scientific notes of P. F. Lesgaft University %D 2023 %N 0 %P 5 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft