%0 Journal Article %T Assessment of the effect of special load on the functional state of athletes of route hiking by the method of heart rate variability %A Yurchak, E.A. %A Shchedrina, Y.A. %K hiking, trekking, method of heart rate variability, mid-mountains, mountains %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