00859naa#a2200193#i#450# EN\\bibl\104957 20251011161527.6 1994-4683 20251002b2025####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 2025 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