Table 1. Comparisons of countermovement jump height across all time points within- and between-condition (mean ± SD).
Condition Time points Effect Size (Compared with baseline)
Baseline 30 s 3 min 6 min 9 min 30 s 3 min 6 min 9 min
Control 24.77 ± 2.59 24.55 ± 2.65 24.74 ± 2.91 24.6 ± 2.77 24.42 ± 2.58* -0.08 (trivial) -0.01 (trivial) -0.06 (trivial) -0.14 (small)
DJ 24.57 ± 3.13 25.37 ± 3.19* 24.96 ± 3.56 24.84 ± 3.37 24.56 ± 3.3 0.25 (small) 0.12 (small) 0.08 (trivial) -0.00 (trivial)
OPL 25.04 ± 2.82 24.83 ± 2.92 24.67 ± 2.87 24.75 ± 2.62 25.44 ± 3.09 -0.07 (trivial) -0.13 (small) -0.11 (small) 014 (small)
Effect Size Control vs. DJ 0.28 (small) 0.7 (trivial) 0.08 (small) 0.05 (trivial)
Control vs. OPL 0.1 (small) -0.02 (trivial) 0.06 (small) 0.36 (moderate)
DJ vs. OPL -0.18 (small) -0.09 (small) -0.03 (trivial) 0.28 (small)
DJ: Drop jump; OPL: Optimal power load;*P < 0.05: Statistically significant differences compared with baseline;†P < 0.05: Statistically significant differences compared with control condition.