## 3 Results
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline  & **Tests** & **Mean** & **Std. Deviation** & **Std. Error Mean** & **[PERSON] a** & **Sig. (2-Tailed)** \\ \hline \multirow{3}{*}{Pair 1} & forefoot\_left\_surface & 74.0000 & 4.0000 & 1.63299 & \multirow{3}{*}{0.753} \\ \cline{2-6}  & forefoot\_right\_surface & 76.5000 & 7.99375 & 3.26343 & & \\ \hline \multirow{3}{*}{Pair 2} & forefoot\_left\_load\_percent & 24.1667 & 3.25064 & 1.32707 & & \\ \cline{2-6}  & forefoot\_right\_load\_percent & 29.1667 & 5.11534 & 2.08833 & & \\ \hline \multirow{3}{*}{Pair 3} & forefoot\_left\_weight\_ratio\_percent & 50.1667 & 8.68140 & 3.54417 & & \\ \cline{2-6}  & forefoot\_right\_weight\_ratio\_percent & 56.0000 & 6.81175 & 2.78089 & & \\ \hline \multirow{3}{*}{Pair 4} & refoot\_left\_surface & 53.0000 & 8.80909 & 3.59629 & & \\ \cline{2-6}  & refoot\_right\_surface & 53.8333 & 3.25064 & 1.32707 & & \\ \hline \multirow{3}{*}{Pair 5} & refoot\_left\_load\_percent & 24.5000 & 5.54076 & 2.26201 & & \\ \cline{2-6}  & refoot\_right\_load\_percent & 22.1667 & 2.78687 & 1.13774 & & \\ \hline \multirow{3}{*}{Pair 6} & refoot\_left\_weight\_ratio\_percent & 49.8333 & 8.68140 & 3.54417 & & \\ \cline{2-6}  & refoot\_right\_weight\_ratio\_percent & 44.0000 & 6.81175 & 2.78089 & & \\ \hline \multirow{3}{*}{Pair 7} & total\_left\_surface & 127.0000 & 12.03329 & 4.91257 & & \\ \cline{2-6}  & total\_right\_surface & 130.1667 & 7.96032 & 3.24979 & & \\ \cline{2-6}  & total\_left\_load\_percent & 48.6667 & 3.14113 & 1.28236 & & \\ \cline{2-6}  & total\_right\_load\_percent & 51.3333 & 3.14113 & 1.28236 & & \\ \hline \multirow{3}{*}{Pair 8} & total\_left\_load\_kg & 27.3333 & 1.96638 &.80277 & & \\ \cline{2-6}  & total\_right\_load\_kg & 28.8333 & 3.54495 & 1.44722 & & \\ \hline \multirow{3}{*}{Pair 9} & total\_left\_Pmax & 542.0000 & 71.00423 & 28.98735 & & \\ \cline{2-6}  & total\_right\_Pmax & 506.8333 & 58.33495 & 23.81514 & & \\ \hline \multirow{3}{*}{Pair 11} & total\_left\_Pavg & 216.0000 & 19.62651 & 8.01249 & & \\ \cline{2-6}  & total\_right\_Pavg & 222.0000 & 24.12468 & 9.84886 & & \\ \hline \hline \end{tabular} a [PERSON] signed ranks test. b Based on negative ranks. c Based on positive ranks.  
\end{table} 
Table 9: [PERSON] right/left nonparametric test results—pairs/over 15 years (\(N=6\)). The values provided by the software for the interpretation of the symmetry of the total plantar surfaces (cm\({}^{2}\)) indicate in the group of those under 13 the most situations of relative symmetry/difference of surfaces of maximum 8 cm\({}^{2}\) or of small differences (6 cases). For this aim, the area was divided into 6 sectors marked with the letters A-F (Figure 15). The group aged 13-15 years had the fewest cases (two), and half of the group of those over 15 years old (three cases) fall into these values, so with increasing age there is a higher incidence of those with asymmetries of plantar surfaces (Figure 16). Tables 10-12 summarize the average values of the parameters measured at the forefoot and rearfoot areas and the differences between them separately, for each foot. The interpretation of the differences between the resulting pairs was also analyzed based on the  
Figure 16: Example of asymmetry of the values of the total plantar surfaces and at forefoot and rearfoot level/female subject (Total surface: L = 114 cm\({}^{2}\), R = 134 cm\({}^{2}\)), (forefoot surface: L = 63 cm\({}^{2}\), R = 76 cm\({}^{2}\)), (rearfoot surface: L = 51 cm\({}^{2}\), R = 58 cm\({}^{2}\)). Figure 14: Example of unbalanced body weight distribution, with load dominance on the left leg. (Load L = 55%, Load R = 45%)—female subject. Figure 15: Example of symmetry of the values of the total plantar surfaces and at forefoot and rearfoot level/female subject (Total surface: L = 118 cm\({}^{2}\), R = 119 cm\({}^{2}\)), (forefoot surface: L = 69 cm\({}^{2}\), R = 69 cm\({}^{2}\)), (rearfoot surface: L = 49 cm\({}^{2}\), R = 50 cm\({}^{2}\)). Wilcoxon parametric procedure.