Skip to main content
. 2023 Jun 30;14:1189688. doi: 10.3389/fphys.2023.1189688

TABLE 3.

Mean and average peak values of internal loads for the three different multifeeding interval training protocols.

T10 T30 T50 rANOVA
VO2 [ml·min−1·kg−1] Mean 45.1 ± 6.0 45.9 ± 7.0 44.0 ± 6.0 p = 0.12 η2 = 0.02
VO2 [ml·min−1·kg−1] Peak 69.6 ± 7.0 65.2 ± 8.7 68.6 ± 8.8 p = 0.40 η2 = 0.04
EE [kcal·h−1] Mean 886 ± 209 919 ± 176 870 ± 206 p = 0.04 η2 = 0.02
EE [kcal·h−1] Peak 1,660 ± 443 b 1,363 ± 306 a 1,472 ± 299 p = 0.02 η2 = 0.03
RER Mean 0.90 ± 0.05 bc 0.93 ± 0.03 ac 0.96 ± 0.04 ab p < 0.01 η2 = 0.30
RER Peak 1.19 ± 0.09 1.16 ± 0.07 1.16 ± 0.06 p = 0.34 η2 = 0.03
HR [bpm] Mean 164 ± 13 165 ± 11 165 ± 10 p = 0.93 η2 = 0.00
HR [bpm] Peak 182 ± 12 183 ± 10 188 ± 12 p = 0.08 η2 = 0.06
La [mmol·l−1] Peak 3.6 ± 2.0 bc 5.6 ± 3.0 ac 7.3 ± 2.3 ab p < 0.01 η2 = 0.25
RPE Peak 16.1 ± 2.0 17.0 ± 1.7 17.3 ± 1.8 p = 0.06 η2 = 0.06

Values described as average ± standard deviation; VO 2 , relative oxygen consumption; EE, energy expenditure per hour; RER, respiratory exchange ratio; HR, heart rate; La, blood lactate concentration; RPE, rate of perceived exertion; T 10 , 10 s intervals protocol; T 30 , 30 s intervals protocol; T 50 , 50 s intervals protocol.

a

significant different to T10 (ptukey < 0.05).

b

significant different to T30 (ptukey < 0.05).

c

significant different to T50 (ptukey < 0.05).