Table 3 Mean values of 5-minute resting periods pre- and post-exercise (two-way ANOVA with post hoc test; n = 13).
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 Pre-exercise Post-ex. b/w sets Post-exercise | 662.70 ± 69.02 620.80 ± 69.21 604.50 ± 63.73 | 791.00 ± 72.03 771.90 ± 55.87 775.90 ± 50.05 | < 0.001 < 0.001 < 0.001 | 0.382 | F = 82.61; p < .001 | F = 16.43; p < .001 | F = 8.52; p = .003 |
RMSSD in ms Pre-exercise Post-ex. b/w sets Post-exercise | 22.30 ± 9.82 23.80 ± 10.19 17.32 ± 6.08 | 68.09 ± 39.30 60.06 ± 33.58 57.40 ± 32.75 | < 0.001 < 0.001 < 0.001 | 0.060 | F = 21.25; p < .001 | F = 2.02; p = .155 | F = 0.76; p = .478 |
DFAa1 Pre-exercise Post-ex. b/w sets Post-exercise | 1.42 ± 0.18 1.30 ± 0.20 1.40 ± 0.27 | 0.87 ± 0.25 0.88 ± 0.21 0.90 ± 0.19 | < 0.001 < 0.001 < 0.001 | 0.139 | F = 78.67; p < .001 | F = 1.41; p = .263 | F = 1.94; p = .166 |
LF/HF Pre-exercise Post-ex. b/w sets Post-exercise | 5.65 ± 4.78 3.11 ± 1.89 3.35 ± 2.57 | 0.97 ± 0.60 0.94 ± 0.62 0.90 ± 0.62 | < 0.001 0.024 0.001 | 0.222 | F = 20.03; p < .001 | F = 3.44; p = .049 | F = 3.43; p = .049 |