Table 2 Mean change in 1-minute HRV metrics compared with the previous measurement time point (∆values = mean values current period – mean values previous period; n = 14).
SM 50% 3-RM | LP 50% 3-RM | Effect size for interaction effects | Main effects (group, time, interaction) | ||||
|---|---|---|---|---|---|---|---|
∆ HRV metrics | p-value/post hoc-test | η²p | group F value; p value | time F value; p value | interaction F value; p value | ||
RRI in ms ∆ Exercise ∆ Afterload ∆ Rest | -157.1 ± 60.20 9.67 ± 34.95 135.6 ± 35.11 | -189.5 ± 85.71 46.32 ± 30.67 151.0 ± 66.90 | 0.322 0.210 > 0.999 | .203 | F = 9.56; p = .009 | F = 108.8; p < .001 | F = 3.32; p = .052 |
RMSSD in ms ∆ Exercise ∆ Afterload ∆ Rest | -1.19 ± 14.57 -3.37 ± 14.08 1.12 ± 8.92 | -22.23 ± 22.46 0.52 ± 21.47 21.16 ± 18.96 | 0.013 > 0.999 0.018 | 0.424 | F = 1.29; p = .276 | F = 6.46; p = .005 | F = 9.56; p < .001 |
DFAa1 ∆ Exercise ∆ Afterload ∆ Rest | -0.38 ± 0.34 -0.06 ± 0.23 0.42 ± 0.31 | 0.23 ± 0.31 -0.22 ± 0.29 -0.01 ± 0.20 | < 0.001 0.769 0.013 | 0.541 | F = 0.08; p = .783 | F = 8.16; p = .001 | F = 15.34; p < .001 |