Table 3.

Exercise haemodynamics

Time during exercise	Control	Fluid	Warm
Core temperature (°C)
15 min	37.6 ± 0.1	37.7 ± 0.1	37.7 ± 0.1
30 min	38.0 ± 0.1	38.0 ± 0.1	38.4 ± 0.1*†
45 min	38.3 ± 0.1	38.0 ± 0.2	38.6 ± 0.1*†
60 min	38.3 ± 0.1	38.1 ± 0.1*	38.6 ± 0.1*†
Heart rate (beats min−1)
15 min	151.6 ± 2.6	151.9 ± 2.5	161.1 ± 2.3*†
30 min	161.4 ± 2.7	158.6 ± 3.3	168.1 ± 2.5*†
45 min	164.3 ± 2.7	157.8 ± 3.2*	173.0 ± 2.6*†
60 min	167.6 ± 3.1	157.5 ± 3.3*	176.6 ± 2.8*†
Heart rate reserve (%)
15 min	68.9 ± 2.3	69.5 ± 2.2	75.8 ± 1.6*†
30 min	76.1 ± 2.1	74.3 ± 2.3	78.0 ± 1.2*†
45 min	78.3 ± 2.2	73.8 ± 2.4*	84.5 ± 1.8*†
60 min	80.7 ± 2.3	73.6 ± 2.7*	87.1 ± 2.1 *†

Values are presented as means ±s.e.m.; n= 14;

^*P < 0.05 versus Control;

^†P < 0.05 versus Fluid.