Table 2.

Cardiovascular and thermoregulatory measurements at the end of the resting period during HST1 and HST2.

	HST 1			HST 2
Variable	CON	HYP	HOT	CON	HYP	HOT
Hemoglobin (g.dL−1)	15.2 ± 0.70	14.5 ± 0.3	15.5 ± 1.4	15.2 ± 0.9	15.2 ± 0.8	15.1 ± 1.3
Hematocrit (%)	0.44 ± 0.02	0.45 ± 0.01	0.46 ± 0.03	0.45 ± 0.02	0.44 ± 0.02	0.46 ± 0.02
Plasma volume (%)	55.2 ± 2.3	55.2 ± 2.31	53.9 ± 2.1	55.6 ± 2.1	52.7 ± 3.4*	55.8 ± 2.5*
HR (bts.min−1)	79 ± 8	81 ± 11	82 ± 16	82 ± 12	79 ± 18	79 ± 11
Plasma lactate (mmol−1)	1.51 ± 0.36	1.73 ± 0.52	1.55 ± 0.47	1.57 ± 0.41	1.44 ± 0.29	1.49 ± 0.57
Plasma glucose (mmol−1)	5.01 ± 0.97	4.81 ± 1.36	5.40 ± 0.99	4.87 ± 0.80	4.62 ± 0.52	4.54 ± 0.63
Stroke Volume (mL.bt−1)	79.9 ± 9.0	78.2 ± 14.8	78.1 ± 15.0	78.1 ± 11.5	77.2 ± 12.2	78.0 ± 18.2
Cardiac Output (L.min−1)	6.3 ± 1.0	6.3 ± 1.1	6.3 ± 1.1	6.4 ± 1.6	6.1 ± 1.5	6.2 ± 1.8
SpO2(%)	89 ± 2	89 ± 2	89 ± 3	89 ± 4	89 ± 3	91 ± 2
${\dot{\text{V}}}_{\text{E}}$ (L.min−1)	15.4 ± 4.0	13.7 ± 2.0	16.0 ± 2.5	15.4 ± 3.2	14.3 ± 1.6	16.5 ± 2.7
$\dot{\text{V}}$O2 (L.min-1)	0.36 ± 0.11	0.30 ± 0.07	0.36 ± 0.06	0.36 ± 0.11	0.32 ± 0.06	0.38 ± 0.12
Trectal(°C)	37.14 ± 0.15	37.02 ± 0.15	37.11 ± 0.20	37.19 ± 0.17	37.14 ± 0.16	37.08 ± 0.15

Data are means ± SD for all 21 participants.

^*Different from HST1 (p < 0.05) within group.