00859naa#a2200193#i#450# EN\\bibl\104957 20260509113414.6 1994-4683 20240615b2024####ek#y0engy0150####ca RU Assessment of the effect of special load on the functional state of athletes of route hiking by the method of heart rate variability Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2024 4 с. Journal article local Туристические походы. Пешеходный туризм. 796.51 Методические основы видов спорта. 77.29 grnti Yurchak Elizaveta Alexandrovna Shchedrina Yulia Aleksandrovna uchzapiski.lesgaft.spb.ru