## 3 Results
The probability (positive predictive value) that a player aged 13.5 or older would kick a ball 30 metres or more (HPG-LBK) was 76.5%, and the probability (negative predictive value) that a player aged over 13.5 would not reach 30 metres with a ball kick (LPG-LBK) was 71.4%. \begin{table}
\begin{tabular}{c c c c c c c} \hline  & \begin{tabular}{c} LPG-LBK \\ Group (n = 14) \\ \end{tabular}  & \begin{tabular}{c} HPG-LBK \\ Group (n = 17) \\ \end{tabular}  & \begin{tabular}{c} Total \\ (n = 31) \\ \end{tabular}  & \ \begin{tabular}{c} BF10 \\ \end{tabular}  & \begin{tabular}{c} 5 (95\% Credible \\ Interval) \\ \end{tabular}  & **Evidence for H1** \\ \hline \multicolumn{7}{c}{**Age and anthropometrics**} \\ \hline
**Age (y)** & **13.07 \(\pm\) 0.73** & **16.00 \(\pm\) 1.94** & **14.68 \(\pm\) 2.10** & **1563.76** &
\begin{tabular}{c} \( \begin{matrix}-\textbf{1.73}\\ \textbf{(-2.65, 0.75)}\end{matrix} \) \\
**Body mass (kg)** & **49.36 \(\pm\) 9.02** & **63.82 \(\pm\) 10.38** & **57.29 \(\pm\) 12.09** & **80.80** & \ \begin{tabular}{c} \(\begin{matrix}-\textbf{1.29}\\ \textbf{(-2.12, -0.51)}\end{matrix}\) \\ \end{tabular}  & **Very Strong** \\ Body height (m) & 1.66 \(\pm\) 0.09 & 1.72 \(\pm\) 0.09 & 1.69 \(\pm\) 0.09 & 1.313 & \begin{tabular}{c} \(\begin{matrix}-0.53\\ \textbf{(-1.25, 0.11)}\end{matrix}\) \\
**Body mass index (kg/m\({}^{2}\))** & **17.75 \(\pm\) 1.74** & **21.41 \(\pm\) 2.27** & **19.76 \(\pm\) 2.74** & **601.06** & \begin{matrix} \(\begin{matrix}-\textbf{1.61}\\ \textbf{(-2.48, -0.68)}\end{matrix}\) \\
**Leg length (cm)** & **0.65 \(\pm\) 0.05** & **0.70 \(\pm\) 0.05** & **0.67 \(\pm\) 0.05** & **6.33** & \begin{matrix} \(\begin{matrix}-\textbf{0.86}\\ \textbf{(-1.62, -0.18)}\end{matrix}\) \\ \end{tabular}  & **Moderate** \\ \hline \multicolumn{7}{c}{**Soccer background**} \\ \hline Experience (y) & 7.14 \(\pm\) 1.03 & 8.18 \(\pm\) 1.51 & 7.71 \(\pm\) 1.40 & 1.93 & \begin{matrix} \(\begin{matrix}-0.62\\ \textbf{(-1.34, 0.05)}\end{matrix}\) \\ Weekly training (min) \\ Weekly competition (min) \\ \end{matrix}  & 354.12 \(\pm\) 72.03 & 390.00 \(\pm\) 59.61 & 370.32 \(\pm\) 68.09 & 0.78 & \begin{matrix} 0.41 \\ \textbf{(-0.21, 1.08)}\end{matrix} \) & Anecdotal \\ Weekly competition (min) & 57.14 \(\pm\) 12.67 & 66.47 \(\pm\) 17.30 & 62.26 \(\pm\) 15.86 & 0.97 & \begin{matrix} \(\begin{matrix}-0.47\\ \textbf{(-1.18, 0.17)}\end{matrix}\) \\ \end{matrix}  & Anecdotal \\ \hline \multicolumn{7}{c}{**Range of motion (degrees)**} \\ \hline HE ROM & 15.82 \(\pm\) 4.05 & 18.39 \(\pm\) 3.87 & 16.98 \(\pm\) 4.12 & 1.12 & \begin{matrix} 0.50 \\ \textbf{(-0.16, 1.22)}\) \\ HF-KE ROM & 73.38 \(\pm\) 13.58 & 79.46 \(\pm\) 11.65 & 76.13 \(\pm\) 12.91 & 0.66 & \begin{matrix} 0.50 \\ \textbf{(-0.26, 1.04)}\) \\ HF-KF ROM & 121.18 \(\pm\) 7.56 & 126.79 \(\pm\) 12.76 & 123.71 \(\pm\) 10.45 & 0.81 & \begin{matrix} 0.41 \\ \textbf{(-0.22, 1.09)}\) \\ \end{matrix}  & Anecdotal \\ **KF ROM** & **77.65 \(\pm\) 21.37** & **103.75 \(\pm\) 8.59** & **89.44 \(\pm\) 21.21** & **125.33** & \begin{matrix} **1.39** \\ **(0.63, 2.23)** \\ \end{matrix}  & **Extreme** \\ \hline \multicolumn{7}{c}{**Torque (N\({}^{\star}\)m/kg)**} \\ \hline HF MIS & 0.89 \(\pm\) 0.50 & 0.98 \(\pm\) 0.20 & 0.94 \(\pm\) 0.37 & 0.40 & \begin{matrix} \( \begin{matrix}-0.17\\ \textbf{(-0.81, 0.44)}\end{matrix} \) \\ HE MIS & 1.14 \(\pm\) 0.28 & 1.36 \(\pm\) 0.38 & 1.26 \(\pm\) 0.35 & 1.19 & \begin{matrix} \(\begin{matrix}-0.51