## 3 Results
### Body Composition
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline  & \multicolumn{2}{c}{**U10**} & \multicolumn{4}{c}{**U12**} \\ \hline  & \multicolumn{2}{c}{**FG**} & \multicolumn{2}{c}{**CG**} & \multicolumn{2}{c}{**FG**} & \multicolumn{2}{c}{**CG**} \\ \hline  & \multicolumn{2}{c}{**Pre**} & \multicolumn{2}{c}{**Post**} & \multicolumn{2}{c}{**Pre**} & \multicolumn{2}{c}{**Post**} & \multicolumn{2}{c}{**Pre**} & \multicolumn{2}{c}{**Post**} & \multicolumn{2}{c}{**Post**} \\ \hline Total & \multicolumn{2}{c}{BMC (g)} & 1029 \(\pm\) 137 & 1037 \(\pm\) 133 & 899 \(\pm\) 175 & 920 \(\pm\) 169 & 1144 \(\pm\) 152 & 1175 \(\pm\) 161 \({}^{\star}\) & 1137 \(\pm\) 236 & 1162 \(\pm\) 261 \\ BMD (g/cm\({}^{2}\)) & 0.66 \(\pm\) 0.06 & 0.68 \(\pm\) 0.06 \({}^{\star}\) & 0.60 \(\pm\) 0.08 \({}^{\star}\) & 0.62 \(\pm\) 0.08 \({}^{\star}\) & 0.71 \(\pm\) 0.08 \({}^{\star}\) & 0.69 \(\pm\) 0.09 & 0.70 \(\pm\) 0.10 \\ Lean mass (g) & 22799 \(\pm\) 3675 & 23191 \(\pm\) 3851 & 2047 \(\pm\) 5148 & 20.936 \(\pm\) 5485 & 26,907 \(\pm\) 3953 & 27,155 \(\pm\) 4139 & 25,960 \(\pm\) 6093 & 26,643 \(\pm\) 626 \({}^{\star}\) \\ Fat mass (g) & 6928 \(\pm\) 2903 & 7342 \(\pm\) 2902 \({}^{\star}\) & 8866 \(\pm\) 4725 & 8886 \(\pm\) 4828 & 7142 \(\pm\) 2514 & 7242 \(\pm\) 2700 & 12,185 \(\pm\) 3550 \({}^{\star}\) & 12,757 \(\pm\) 007 \({}^{\star}\) \\ Fat mass (\(\gamma\)) & 22.0 \(\pm\) 6.8 & 22.9 \(\pm\) 6.6 \({}^{\star}\) & 27.9 \(\pm\) 7.1 & 27.6 \(\pm\) 7.8 & 20.2 \(\pm\) 5.9 & 20.2 \(\pm\) 6.5 & 30.2 \(\pm\) 8.1 \({}^{\star}\) & 30.5 \(\pm\) 9.1 \({}^{\star}\) \\ \hline Tunk & \multicolumn{2}{c}{Trunk} & \multicolumn{2}{c}{BMC (g)} & 2637 \(\pm\) 37.6 & 2673 \(\pm\) 37.5 & 227.2 \(\pm\) 38.6 \({}^{\star}\) & 237.1 \(\pm\) 48.2 \({}^{\star}\) & 297.1 \(\pm\) 55.3 & 301.4 \(\pm\) 58.7 & 292.3 \(\pm\) 78.7 & 296.1 \(\pm\) 86.2 \\ Lean mass (g) & 10,631 \(\pm\) 1661 & 10,799 \(\pm\) 1755 & 9460 \(\pm\) 2382 & 9693 \(\pm\) 2637 & 12,351 \(\pm\) 1807 & 12,467 \(\pm\) 1795 & 12,235 \(\pm\) 3166 & 12,581 \(\pm\) 328 \({}^{\star}\) \\ Fat mass (g) & 2532 \(\pm\) 1238 & 2646 \(\pm\) 1266 & 3276 \(\pm\) 2542 & 3028 \(\pm\) 2236 & 2639 \(\pm\) 1229 & 2669 \(\pm\) 1305 & 4593 \(\pm\) 2468 & 489 \(\pm\) 2704 \\ Fat mass (g) & 184 \(\pm\) 4.6 & 188 \(\pm\) 6.8 & 23.3 \(\pm\) 8.7 & 227.7 \(\pm\) 9.3 & 16.9 \(\pm\) 6.0 & 17.0 \(\pm\) 6.8 & 25.9 \(\pm\) 9.5 \({}^{\star}\) & 26.4 \(\pm\) 10.2 \({}^{\star}\) \\ \hline Legs & \multicolumn{2}{c}{Legs} & \multicolumn{2}{c}{Legs} & \multicolumn{2}{c}{Legs} & \multicolumn{2}{c}{Legs} & \multicolumn{2}{c}{Legs} & \multicolumn{2}{c}{Legs} & \multicolumn{2}{c}{Legs} \\ BMD (g/cm\({}^{2}\)) & 0.75 \(\pm\) 0.07 & 0.77 \(\pm\) 0.07 \({}^{\star}\) & 0.69 \(\pm\) 0.12 & 0.71 \(\pm\) 0.10 \({}^{\star}\) & 0.84 \(\pm\) 0.10 & 0.85 \(\pm\) 0.11 \({}^{\star}\) & 0.81 \(\pm\) 0.12 & 0.82 \(\pm\) 0.12 \({}^{\star}\) \\ Lean mass (g) & 3786 \(\pm\) 766 & 3798 \(\pm\) 812 & 3316 \(\pm\) 1023 & 3388 \(\pm\) 1062 & 4643 \(\pm\) 898 & 4685 \(\pm\) 962 & 4356 \(\pm\) 1175 & 4469 \(\pm\) 1208 \\ Fat mass (g) & 1522 \(\pm\) 663 & 1631 \(\pm\) 664 & 1999 \(\pm\) 975 & 2052 \(\pm\) 1026 & 1529 \(\pm\) 521 & 1550 \(\pm\) 529 & 2771 \(\pm\) 1176 \({}^{\star}\) & 2877 \(\pm\) 198 \({}^{\star}\) \\ Fat mass (g) & 27.3 \(\pm\) 8.6 & 28.8 \(\pm\) 8.1 \({}^{\star}\) & 35.3 \(\pm\) 7.0 \({}^{\star}\) & 35.4 \(\pm\) 7.7 \({}^{\star}\) & 24.0 \(\pm\) 7.4 & 24.3 \(\pm\) 8.1 & 36.9 \(\pm\) 8.9 \({}^{\star}\) & 37.1 \(\pm\) 9.8 \({}^{\star}\) \\ \hline Arms & \multicolumn{2}{c}{Arms} & \multicolumn{2}{c}{Arms} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} & \multicolumn{2}{c}{BMC (g)} \\ BMD (g/cm\({}^{2}\)) & 0.52 \(\pm\) 0.05 & 0.53 \(\pm\) 0.06 & 0.45 \(\pm\) 0.08 \({}^{\star}\) & 0.46 \(\pm\) 0.06 \({}^{\star}\) & 0.57 \(\pm\) 0.06 & 0.57 \(\pm\) 0.06 & 0.54 \(\pm\) 0.06 & 0.54 \(\pm\) 0.07 \\ Lean mass (g) & 1047 \(\pm\) 191 & 1049 \(\pm\) 188 & 887 \(\pm\) 211 & 919 \(\pm\) 222 & 1238 \(\pm\) 207 & 1254 \(\pm