Table 2. Summary of physiological and perceptual responses to the three protocols.
WB-HIIT ERG-HIIT MICT ANOVA (p-value)
Trial Time Trial x Time
Mean session HR (bpm) 140.0 ± 14.3 141.3 ± 14.9 135.5 ± 12.8 0.213 NA NA
Mean session HR (%HRmax) 78.5 ± 8.7 79.1 ± 8.0 75.8 ± 5.4 0.189 NA NA
Peak session HR (bpm) 158.1 ± 15.8b 148.7 ± 16.2 141.4 ± 15.8 0.023 NA NA
Peak session HR (%HRmax) 87.4 ± 9.4b 83.0 ± 8.6 78.7 ± 5.5 0.020 NA NA
Baseline lactate (mmol/L) 1.3 ± 0.4 1.3 ± 0.7 1.0 ± 0.3 < 0.001 < 0.001 < 0.001
End lactate (mmol/L) 7.2 ± 1.8ab 5.1 ± 1.3c 3.1 ± 1.5
Baseline RPE (out of 10) 0.1 ± 0.3 0.1 ± 0.1 0.1 ± 0.1 0.78 < 0.001 0.206
End RPE (out of 10) 5.9 ± 0.3 4.7 ± 0.1 4.8 ± 0.1
PACES score (out of 126) 97.6 ± 13.7b 97.9 ± 16.8c 82.4 ± 20.3 < 0.01 NA NA
Self-efficacy score (out of 100) 68.4 ± 23.1ab 60.6 ± 26.3 53.3 ± 27.6 0.020 NA NA
a p < 0.05 between WB-HIIT and ERG-HIIT;
b p < 0.05 between WB-HIIT and MICT;
c p < 0.05 between ERG-HIIT and MICT.
HR, heart rate; PACES, Physical Activity Enjoyment Scale; RPE, rating of perceived exertion.