(a)
(b)
(c)
(d)
(e)
(f)
Figure 1: Relationships between hemodynamic and cardiovascular parameters and core body temperature at the specific stage of the experiment: before_S (before sauna), after_S (after sauna), (3 hours after sauna), and (six hours after sauna). (a) HR, (b) BRS, (c) LVET, (d) PEP, (e) HI, (f) core body temperature; (abbreviations are listed in the “Nomenclature” section).