## 3 Results
\begin{table}
\begin{tabular}{c c c c c} \hline \hline \multirow{2}{*}{**Variables**} & \multicolumn{2}{c}{**Girls**} & \multicolumn{2}{c}{**Boys**} \\ \cline{2-5}  & **F** & \(\mathbf{p}\) & **F** & \(\mathbf{p}\) \\ \hline Standing position, chest segment, left side & 2.40 & 0.10 & 2.64 & 0.08 \\ Standing position, segment right, side & 0.13 & 0.88 & 1.02 & 0.36 \\ Standing position, lumbar section, left side & 0.47 & 0.63 & 0.16 & 0.85 \\ Standing position, lumbar section, right side & 0.06 & 0.94 & 0.39 & 0.68 \\ Supine position, chest segment, left side & 1.22 & 0.30 & 0.59 & 0.55 \\ Supine position, chest segment, right side & 0.32 & 0.73 & 1.63 & 0.20 \\ Lying on the left side, lumbar section & 0.84 & 0.43 & 1.74 & 0.18 \\ Lying on the right side, lumbar section & 0.09 & 0.91 & 1.05 & 0.35 \\ Torso up, chest segment, left side & 0.20 & 0.82 & 0.88 & 0.42 \\ Torso up, chest segment, right side & 0.53 & 0.59 & 0.20 & 0.82 \\ Torso up, lumbar section, left side & 0.47 & 0.63 & 0.43 & 0.65 \\ Torso up, lumbar section, right side & 0.11 & 0.90 & 0.42 & 0.65 \\ Lower limbs up, chest segment, left side & 0.27 & 0.76 & 0.24 & 0.79 \\ Lower limbs up, chest segment, right side & 0.17 & 0.85 & 0.35 & 0.70 \\ Lower limbs up, lumbar section, left side & 0.01 & 0.99 & 3.61 & **0.03** \\ Lower limbs up, lumbar section, right side & 0.77 & 0.46 & 0.18 & 0.83 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Analysis of ANOVA differences for SEMG amplitude of the erector spinae between the scoliotic, scoliotic posture, and normal posture groups of boys and girls. \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multirow{2}{*}{**Variables**} & \multicolumn{2}{c}{**Scoliosis**} & \multicolumn{2}{c}{**Scoliotic Posture**} & \multicolumn{2}{c}{**Correct Posture**} \\ \cline{2-7}  & **Mean mV** & **SD** & **Mean mV** & **SD** & **Mean mV** & **SD** \\ \hline Standing position, chest segment, left side & 21.25 & 5.75 & 20.99 & 5.43 & 27.18 & 3.29 \\ Standing position, chest segment, right side & 32.05 & 24.39 & 33.62 & 24.31 & 37.75 & 18.52 \\ Standing position, lumbar section, left side & 20.73 & 9.85 & 22.40 & 10.10 & 19.29 & 10.34 \\ Standing position, lumbar section, right side & 50.47 & 42.97 & 50.95 & 45.04 & 42.78 & 45.74 \\ Supine position, chest segment, left side & 31.54 & 19.61 & 27.48 & 15.71 & 20.20 & 5.99 \\ Supine position, chest segment, right side & 38.46 & 24.82 & 37.37 & 24.97 & 27.88 & 31.65 \\ Lying on the left side, lumbar section & 20.96 & 14.38 & 19.73 & 13.53 & 11.56 & 14.57 \\ Lying on the right side, lumbar section & 46.83 & 47.58 & 46.67 & 47.22 & 36.28 & 56.48 \\ Torso up, chest segment, left side & 53.11 & 27.59 & 51.24 & 26.34 & 44.68 & 20.94 \\ Torso up, chest segment, right side & 68.83 & 22.61 & 65.70 & 21.12 & 58.90 & 15.32 \\ Torso up, lumbar section, left side & 52.53 & 27.07 & 48.36 & 22.52 & 55.23 & 20.99 \\ Torso up, lumbar section, right side & 76.65 & 41.29 & 73.24 & 34.78 & 73.33 & 29.84 \\ Lower limbs up, chest segment, left side & 36.42 & 18.68 & 34.08 & 17.07 & 32.03 & 13.96 \\ Lower limbs up, chest segment, right side & 47.05 & 18.45 & 49.07 & 25.24 & 43.93 & 18.91 \\ Lower limbs up, lumbar section, left side & 63.44 & 34.21 & 63.50 & 37.75 & 66.05 & 30.82 \\ Lower limbs up, lumbar section, right side & 94.48 & 47.20 & 85.32 & 36.30 & 99.28 & 41.35 \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Surface electromyography (SEMG) amplitude of the erector spinae in girls.