Changes in body mass (BM) after performing the exercise test and after sauna bathing in untrained men (CON) and athletes (A).

Statistically significant differences at p<0.05 compared to the levels before sauna bathing and before the exercise test. # Significant differences at the level of p<0.05 between A and CON. Statistical differences at the level of p<0.05 between exercise test and sauna bathing in the group A.