## 3 Results
\begin{table}
\begin{tabular}{l c c c c c} \hline \hline
**Test** & **Metric’s Name** & **Mean \(\pm\) SD** & **ICC (95\% CI)** & **CV (95\% CI)** \\ \hline \multirow{8}{*}{**CMRJ**} & CM depth (m) & 0.24 \(\pm\) 0.07 & 0.94 (0.88, 0.97) & 10.83 (7.94, 13.72) \\  & TTTO (s) & 0.61 \(\pm\) 0.11 & 0.90 (0.82, 0.95) & 8.43 (6.18, 10.68) \\  & JH-1 (m) & 0.36 \(\pm\) 0.07 & 0.97 (0.94, 0.98) & 6.51 (4.78, 8.25) \\  & RSImod & 0.57 \(\pm\) 0.11 & 0.95 (0.91, 0.98) & 9.79 (7.18, 21.40) \\  & K\({}_{\text{leg}}\) (kN/m) & 19.51 \(\pm\) 9.59 & 0.92 (0.86, 0.96) & 21.13 (15.49, 26.76) \\  & GCT (s) & 0.28 \(\pm\) 0.09 & 0.97 (0.94, 0.99) & 7.60 (5.57, 9.63) \\  & JH-2 (m) & 0.34 \(\pm\) 0.07 & 0.96 (0.93, 0.98) & 6.20 (4.55, 7.86) \\  & RSI & 1.28 \(\pm\) 0.36 & 0.95 (0.90, 0.97) & 9.32 (6.83, 11.81) \\ \hline \multirow{4}{*}{**IMTP**} & Peak Force (N) & 1655.58 \(\pm\) 487.61 & 0.99 (0.99, 1.00) & 4.00 (2.89, 5.11) \\  & Force@100 ms (N) & 724.89 \(\pm\) 197.74 & 0.96 (0.93, 0.98) & 10.61 (7.67, 13.55) \\  & Force@200 ms (N) & 1192.01 \(\pm\) 333.19 & 0.98 (0.95, 0.99) & 7.09 (5.13, 9.06) \\  & Force@300 ms (N) & 1300.69 \(\pm\) 334.70 & 0.98 (0.95, 0.99) & 6.42 (4.64, 8.20) \\ \hline \multirow{4}{*}{**Linear sprint**} & 10 m time (s) & 1.81 \(\pm\) 0.12 & 0.88 (0.77, 0.94) & 3.35 (2.42, 4.28) \\  & 10–20 m time (s) & 1.37 \(\pm\) 0.05 & 0.92 (0.85, 0.96) & 2.79 (2.06, 3.57) \\  & 20 m time (s) & 3.18 \(\pm\) 0.11 & 0.93 (0.86, 0.96) & 2.23 (1.61, 2.85) \\ \hline \multirow{4}{*}{**505-COD**} & Left 505 time (s) & 2.49 \(\pm\) 0.14 & 0.86 (0.72, 0.93) & 4.59 (3.32, 5.86) \\  & Left 505 deficit (s) & 0.63 \(\pm\) 0.15 & 0.83 (0.68, 0.92) & 29.64 (21.42, 37.39) \\ \cline{1-1}  & Right 505 time (s) & 2.47 \(\pm\) 0.12 & 0.88 (0.75, 0.94) & 3.85 (2.78, 4.90) \\ \cline{1-1}  & Right 505 deficit (s) & 0.62 \(\pm\) 0.14 & 0.85 (0.71, 0.93) & 22.23 (16.07, 28.39) \\ \hline \hline \end{tabular} ICC: intraclass correlation coefficient; CV: coefficient of variation; CMRJ: countermovement rebound jump; CM depth = countermovement depth; TTTO = time to take-off; RSImod = reactive strength index modified; K\({}_{\text{leg}}\) = leg stiffness; GCT = ground contact time; RSI = reactive strength index; IMTP: isometric mid-thugh pull; COD: change of direction.  
\end{table} 
Table 1: Description statistics and within-session reliability of the measured metrics. \begin{table}
\begin{tabular}{l c c c c c c c c} \hline \hline  & **Metric’s Name** & **CM** & **TTTO** & **JH-1** & **RSImod** & **K\({}_{\text{leg}}\)** & **GCT** & **JH-2** & **RSI** \\ \hline \multirow{4}{*}{**IMTP**} & Peak Force & 0.61 * & 0.44 & 0.54 * & 0.18 & 0.22 & 0.30 & 0.45 & 0.11 \\  & Force@ 100 ms & 0.45 & 0.46 & 0.40 & 0.13 & 0.03 & 0.15 & 0.40 & 0.15 \\  & Force@ 200 ms & 0.55 * & 0.42 & 0.46 & 0.04 & 0.13 & 0.31 & 0.45 & 0.20 \\  & Force@ 300 ms & 0.60 * & 0.50 & 0.55 * & 0.03 & 0.20 & 0.35 & 0.44 & 0.17 \\ \hline \multirow{2}{*}{**Linear sprint**} & 10 m time & \(-0.21\) & 0.14 & \(-0.54\)* & \(-0.60\)* & 0.10 & 0.06 & \(-0.48\) & \(-0.55\)* \\  & 10–20 m time & \(-0.08\) & 0.12 & \(-0.38\) & \(-0.55\)* & \(-0.10\) & 0.37 & \(-0.31\) & \(-0.61\)* \\  & 20 m time & \(-0.20\) & 0.16 & \(-0.54\)* & \(-0.66\)* & 0.14 & 0.25 & \(-0.46\) & \(-0.64\)* \\ \hline \multirow{4}{*}{**505-COD**} & Left 505 time & \(-0.26\) & 0.21 & \(-0.68\)* & \(-0.57\)* & 0.06 & \(-0.10\) & \(-0.58\)* & \(-0.43\) \\  & Left 505 deficit & \(-0.30\) & 0.07 & \(-0.16\) & \(-0.03\) & 0.05 & 0.09 & \(-0.07\) & \(-0.03\) \\ \cline{1-1}  & Right 505 time & \(-0.25\) & 0.22 & \(-0.63\)* & \(-0.51\)* & \(-0.01\) & \(-0.09\) & \(-0.52\)* & \(-0.47\) \\ \cline{1-1}  & Right 505 deficit & \(-0.21\) & 0.02 & \(-0.17\) & \(-0.03\) & \(-0.02\) & 0.03 & \(-0.10\) & \(-0.02\) \\ \hline \hline \end{tabular} CM depth = countermovement depth; TTTO = time to take-off; RSImod = reactive strength index modified; K\({}_{\text{leg}}\) = leg stiffness; GCT = ground contact time; RSI = reactive strength index; IMTP: isometric mid-thugh pull; COD: change of direction.  
\end{table}