Table 2.
Effects of caffeine ingestion on concentric (CON) and eccentric (EEC) peak power (PP) outcomes (W) at different inertias compared to the placebo condition.
| Variable | Placebo (M ± SD) | Caffeine (M ± SD) | Mean Differences (%) | ES | p |
|---|---|---|---|---|---|
| PPCON0.025 | 1067.67 ± 216.94 | 1325.57 ± 269.82 | 24.16 | 1.19 | 0.00 |
| PPECC0.025 | 985.86 ± 185.63 | 1222.48 ± 310.17 | 24.00 | 1.17 | 0.00 |
| PPCON0.050 | 1014.37 ± 178.03 | 1238.73 ± 245.63 | 22.12 | 1.26 | 0.00 |
| PPECC0.050 | 1016.29 ± 174.29 | 1207.22 ± 262.78 | 18.79 | 1.10 | 0.00 |
| PPCON0.075 | 927.37 ± 154.70 | 1144.14 ± 206.49 | 23.37 | 1.40 | 0.00 |
| PPECC0.075 | 996.74 ± 213.39 | 1245.71 ± 210.09 | 24.98 | 1.17 | 0.00 |
| PPCON0.100 | 817.55 ± 170.71 | 1012.69 ± 210.84 | 23.87 | 1.14 | 0.00 |
| PPECC0.100 | 918.18 ± 194.27 | 1118.17 ± 245.91 | 21.78 | 1.03 | 0.00 |
M: mean; SD: standard deviation; ES: effect size.