Table S4B. Nonparametric sensitivity analyses (Friedman tests assessed overall condition differences; Wilcoxon signed-rank pairwise comparisons were adjusted using the Holm method). Domain Outcome Unit n Friedman χ2 df Overall p RIR vs PBT pHolm VBT vs PBT pHolm VBT vs RIR pHolm Training session Relative peak vertical force × system weight 18 7.111 2 0.029 0.304 0.062 0.120 Training session Mean positive vertical impulse N·s 18 0.333 2 0.846 0.834 0.834 0.145 Training session Mean repetition duration s 18 6.778 2 0.034 0.640 0.217 0.042 Training session Peak vertical force maintenance % 17 0.824 2 0.662 1.000 1.000 1.000 Training session Positive impulse maintenance % 17 0.471 2 0.790 0.918 0.918 0.918 CMJ Jump height cm 17 0.353 2 0.838 1.000 1.000 1.000 CMJ Modified reactive strength index m·s-1 17 0.471 2 0.790 1.000 1.000 1.000 CMJ Relative peak positive power W·kg-1 17 2.471 2 0.291 0.570 0.644 0.570 CMJ Relative mean propulsive power W·kg-1 17 0.471 2 0.790 1.000 1.000 1.000 CMJ Relative propulsive impulse N·s·kg-1 17 0.118 2 0.943 1.000 1.000 1.000 SJ Jump height cm 15 0.933 2 0.627 1.000 1.000 1.000 SJ Modified reactive strength index m·s-1 15 0.933 2 0.627 0.991 1.000 1.000 SJ Relative peak positive power W·kg-1 15 0.133 2 0.936 1.000 1.000 1.000 SJ Relative mean propulsive power W·kg-1 15 0.133 2 0.936 1.000 1.000 1.000 SJ Relative propulsive impulse N·s·kg-1 15 0.933 2 0.627 1.000 1.000 1.000 Holm-adjusted p values are reported for pairwise comparisons; values <0.05 are highlighted. Training-session, CMJ, and SJ outcomes are detailed in Tables S1-S3; primary figure panels are shown in Figures 1-3.