. 2020 Dec 23;121(3):803–816. doi: 10.1007/s00421-020-04562-8

Table 2.

Mean (SD) of the physiological parameters during incremental cycling in the heat (33 °C, 65% RH; n = 12)

Parameter	60% HR_max	70% HR_max	80% HR_max	Post-exercise
HR (bpm)	122 (3)	135 (9)^a,^b	148 (9)^a,^b	121 (11)^b
%HR_max	64 (4)	71 (4)^a,^b	77 (8)^a,^b	–
T_gi (°C)	37.2 (0.1)	37.6 (0.1)^a,^b	38.0 (0.1)^a,^b	38.2 (0.1)^a,^b
$\bar{T}$ _sk (°C)	36.0 (0.3)	36.2 (0.1)^a,^b	36.4 (0.1)^a,^b	36.6 (0.1)^a,^b
LSR_arm (mg cm⁻² min⁻¹)	1.5 (0.6)	2.0 (0.8)^a,^b	1.9 (0.6)	1.7 (0.8)
LSR_back (mg cm⁻² min⁻¹)	2.1 (0.7)	2.4 (0.7)^a,^b	2.5 (0.8)^a	1.8 (0.7)^a,^b

HR heart rate, %HR_max % of maximum heart rate, T_gi gastrointestinal temperature, $\bar{T}$ _sk weighed mean skin temperature, LSR local sweat rate

^aP < 0.05 from 60% HR_max

^bP < 0.05 from the previous stage