## 3 Results
\begin{table}
\begin{tabular}{l l l l l l} \hline \hline
**Drop** & **Variables/Groups** & **(M-1) 100 m** & **(M-2) 400 m** & **Mann–Whitney** & **Effect Size (d)** \\ \hline \multirow{4}{*}{20} & FT & 0.539 \(\pm\) 0.027 & 0.537 \(\pm\) 0.027 & 0.587 & 0.07 \\  & GCT & 0.175 \(\pm\) 0.029 & 0.184 \(\pm\) 0.034 & 0.420 & 0.28 \\  & JH & 0.35 \(\pm\) 0.363 & 0.35 \(\pm\) 0.462 & 0.634 & 0 \\  & RSI & 2.07 \(\pm\) 0.289 & 1.99 \(\pm\) 0.496 & 0.738 & 0.19 \\  & RC & 1.78 \(\pm\) 0.181 & 1.77 \(\pm\) 0.176 & 0.492 & 0.05 \\  & IRSI & 0.28 \(\pm\) 0.19 & 0.20 \(\pm\) 0.04 & 0.390 & 0.58 \\ \hline \multirow{4}{*}{30} & FT & 0.608 \(\pm\) 0.024 & 0.602 \(\pm\) 0.031 & 0.539 & 0.21 \\  & GCT & 0.192 \(\pm\) 0.007 & 0.194 \(\pm\) 0.021 & 0.420 & 0.12 \\  & JH & 0.45 \(\pm\) 0.363 & 0.44 \(\pm\) 0.048 & 0.555 & 0.03 \\  & RSI & 2.36 \(\pm\) 0.298 & 2.34 \(\pm\) 0.567 & 0.547 & 0.56 \\  & RC & 1.51 \(\pm\) 0.122 & 1.48 \(\pm\) 0.160 & 0.539 & 0.21 \\  & IRSI & 0.86 \(\pm\) 0.79 & 0.84 \(\pm\) 0.73 & 0.381 & 0.02 \\ \hline \multirow{4}{*}{40} & FT & 0.607 \({}^{\mathrm{a}}\)\(\pm\) 0.007 & 0.614 \({}^{\mathrm{a}}\)\(\pm\) 0.019 & 0.841 & 0.48 \\  & GCT & 0.189 \(\pm\) 0.013 & 0.195 \(\pm\) 0.022 & 0.301 & 0.33 \\  & JH & 0.45 \({}^{\mathrm{a}}\)\(\pm\) 0.100 & 0.46 \({}^{\mathrm{a}}\)\(\pm\) 0.029 & 0.825 & 0.13 \\  & RSI & 2.40 \(\pm\) 0.237 & 2.41 \(\pm\) 0.500 & 0.460 & 0.02 \\  & RC & 1.13 \(\pm\) 0.026 & 1.15 \(\pm\) 0.160 & 0.841 & 0.17 \\  & IRSI & 1.26 \(\pm\) 1.17 & 1.25 \(\pm\) 1.13 & 0.396 & 0 \\ \hline \multirow{4}{*}{50} & FT & 0.619 \({}^{\mathrm{a}}\)\(\pm\) 0.017 & 0.626 \({}^{\mathrm{a}}\)\(\pm\) 0.018 & 0.547 & 0.39 \\  & GCT & 0.188 \(\pm\) 0.014 & 0.193 \(\pm\) 0.006 & 0.166 & 0.46 \\  & JH & 0.47 \({}^{\mathrm{a}}\)\(\pm\) 0.026 & 0.48 \({}^{\mathrm{a}}\)\(\pm\) 0.029 & 0.452 & 0.36 \\  & RSI & 2.57 \(\pm\) 0.280 & 2.52 \(\pm\) 0.447 & 0.841 & 0.13 \\  & RC & 0.94 \({}^{\mathrm{a}}\)\(\pm\) 0.052 & 0.96 \(\pm\) 0.058 & 0.579 & 0.36 \\  & IRSI & 1.56 \({}^{\mathrm{a}}\)\(\pm\) 1.55 & 1.53 \({}^{\mathrm{a}}\)\(\pm\) 1.43 & 0.650 & 0.02 \\ \hline \multirow{4}{*}{60} & FT & 0.627 \({}^{\mathrm{a}}\)\(\pm\) 0.019 & 0.642 \({}^{\mathrm{a}}\)\(\pm\) 0.022 & 0.841 & 0.72 \\  & GCT & 0.190 \(\pm\) 0.013 & 0.204 \(\pm\) 0.026 & 0.150 & 0.68 \\  & JH & 0.48 \({}^{\mathrm{a}}\)\(\pm\) 0.029 & 0.47 \({}^{\mathrm{a}}\)\(\pm\) 0.034 & 0.817 & 0.31 \\  & RSI & 2.54 \(\pm\) 0.326 & 2.38 \(\pm\) 0.523 & 0.547 & 0.36 \\  & RC & 0.80 \({}^{\mathrm{abc}}\)\(\pm\) 0.049 & 0.79 \({}^{\mathrm{abc}}\)\(\pm\) 0.056 & 0.730 & 0.19 \\  & IRSI & 1.74 \({}^{\mathrm{ab}}\)\(\pm\) 1.75 & 1.63 \({}^{\mathrm{a}}\)\(\pm\) 1.44 & 0.500 & 0.06 \\ \hline \end{tabular} FT = flight time; GCT = ground contact time; JH = jump height; RSI = reactive strength index; RC = reactivity capacity; IRSI = integral reactive strength index;\({}^{\mathrm{a}}\) = significant within-group difference with 20 cm;\({}^{\mathrm{b}}\) = significant within-group difference with 30 cm;\({}^{\mathrm{c}}\) = significant within-group difference with 40 cm.  
\end{table} 
Table 2: Reactive strength variables (mean \(\pm\) SD) of 100 m and 400 m athletes. Figure 1: Results of [PERSON]’s correlation test between the RSI and RC variables. The \(y\)-axis represents the mean RC, and the \(x\)-axis represents the RSI variables.