Table 2. Tre and Tb at the onset of sweating and slopes of regression lines determined after plotting average LSR against Tre and Tb during exercise at fixed intensity (study 1) and during the RPE clamp exercise (study 2).
CON | CWI | ICE | P-value | |
---|---|---|---|---|
Onset of sweating (min) | 1.8 ± 1.8* # | 6.4 ± 2.2# | 2.7 ± 1.6* | <0.001 |
Tre sweat threshold (°C) | 37.0 ± 0.3* # | 37.1 ± 0.2# | 36.8 ± 0.3* | <0.001 |
Tb sweat threshold (°C) | 36.5 ± 0.3 | 36.5 ± 0.3 | 36.5 ± 0.4 | 0.973 |
Tre sweat sensitivity (mg∙cm-2∙min-1∙°C-1) | 1.51 ± 0.61* | 1.89 ± 0.82 | 1.42 ± 0.68* | 0.001 |
Tb sweat sensitivity (mg∙cm-2∙min-1∙°C-1) | 1.18 ± 0.42* | 1.36 ± 0.55 | 1.39 ± 0.63 | 0.007 |
CON, control; CWI, cold water immersion; ICE, ice slushy ingestion; Tre, rectal temperature; Tb, weighted mean body; LSR, average local sweat rate for arm and thigh
* p<0.05 versus CWI
# p<0.05 versus ICE. Data are mean ± SD for n = 19 from study 1 and 2. See S5 Table for effect sizes (Cohen’s d) calculated from mean differences between conditions and pooled SD.