## 3 Results
\begin{table}
\begin{tabular}{l l c c c c c c c} \hline \hline  & & \multicolumn{3}{c}{**SHOE**} & \multicolumn{3}{c}{**SET**} & \multicolumn{3}{c}{**Partial Eta Squared (\(\eta_{p}\)\({}^{2}\))**} \\ \hline  & & **CON** & **AFT** & **Time Trial 1** & **Time Trial 2** & **Shoe** & **Set** & **Shoe x Set** \\ \cline{2-10}  & Time (s) & 1617.0 \(\pm\) 138.4 & 1622.8 \(\pm\) 156.5 & 1601.8 \(\pm\) 146.8 & 1638.0 \(\pm\) 146.3 \({}^{*}\) & 0.016 & 0.550 & 0.032 \\ \cline{2-10}  & Mean HR (ppm) & 163.2 \(\pm\) 16.1 & 163.0 \(\pm\) 17.4 & 164.8 \(\pm\) 16.8 & 161.5 \(\pm\) 16.5 \({}^{*}\) & 0.004 & 0.631 & 0.010 \\ \cline{2-10}  & Maximum HR (ppm) & 174.0 \(\pm\) 15.3 & 173.7 \(\pm\) 16.3 & 173.8 \(\pm\) 15.5 & 173.8 \(\pm\) 16.1 & 0.024 & 0.000 & 0.024 \\ \cline{2-10}  & Lactate pre- (mMol/L) & 4.7 \(\pm\) 1.5 & 4.2 \(\pm\) 1.4 & 4.2 \(\pm\) 1.5 & 4.7 \(\pm\) 1.5 & 0.058 & 0.042 & 0.060 \\ \cline{2-10}  & Lactate post- (mMol/L) & 9.5 \(\pm\) 2.4 & 9.3 \(\pm\) 2.3 & 9.9 \(\pm\) 2.3 & 9.0 \(\pm\) 2.3 \({}^{*}\) & 0.010 & 0.341 & 0.016 \\ \cline{2-10}  & RPE (0-10 scale) & 9.0 \(\pm\) 0.5 & 9.2 \(\pm\) 0.5 & 9.0 \(\pm\) 0.5 & 9.2 \(\pm\) 0.5 & 0.110 & 0.110 & 0.123 \\ \cline{2-10}  & Fastest km (s/km) & 177.7 \(\pm\) 13.3 & 180.5 \(\pm\) 11.5 & 178.0 \(\pm\) 12.8 & 180.2 \(\pm\) 12.1 & 0.184 & 0.132 & 0.206 \\ \cline{2-10}  & Mean power (W) & 305.6 \(\pm\) 26.6 & 304.2 \(\pm\) 29.8 & 308.3 \(\pm\) 29.6 & 301.4 \(\pm\) 26.3 \({}^{*}\) & 0.016 & 0.381 & 0.025 \\ \cline{2-10}  & Maximum power (W) & 510.7 \(\pm\) 46.9 & 499.1 \(\pm\) 57.5 & 524.8 \(\pm\) 43.0 & 484.9 \(\pm\) 53.5 \({}^{*}\) & 0.023 & 0.278 & 0.031 \\ \hline  & Step frequency (ppm) & 166.7 \(\pm\) 9.5 & 164.8 \(\pm\) 10.1 \({}^{*}\) & 166.2 \(\pm\) 10.1 & 165.3 \(\pm\) 9.5 & 0.438 & 0.161 & 0.482 \\ \cline{2-10}  & Step length (cm) & 114.2 \(\pm\) 8.8 & 115.6 \(\pm\) 9.4 & 116.1 \(\pm\) 9.9 & 113.7 \(\pm\) 8.0 \({}^{*}\) & 0.135 & 0.452 & 0.221 \\ \cline{2-10}  & Contact time (ms) & 280.6 \(\pm\) 57.3 & 284.4 \(\pm\) 64.9 & 279.3 \(\pm\) 59.3 & 285.7 \(\pm\) 62.9 \({}^{*}\) & 0.091 & 0.272 & 0.120 \\ \cline{2-10}  & Leg Stiffness (km/m) & 10.7 \(\pm\) 2.6 & 10.7 \(\pm\) 2.6 & 10.9 \(\pm\) 2.7 & 10.5 \(\pm\) 2.6 \({}^{*}\) & 0.000 & 0.232 & 0.000 \\ \cline{2-10}  & Vertical stiffness (km/m) & 23.8 \(\pm\) 3.8 & 25.1 \(\pm\) 4.8 & 24.8 \(\pm\) 3.4 & 24.1 \(\pm\) 5.1 & 0.225 & 0.061 & 0.236 \\ \cline{2-10}  & Vertical stiffness (km/m) & 23.6 \(\pm\) 2.8 & 25.3 \(\pm\) 4.6 \({}^{*}\) & 24.0 \(\pm\) 3.1 & 24.8 \(\pm\) 4.4 & 0.272 & 0.088 & 0.291 \\ \cline{2-10}  & Vertical oscillation (cm) & 7.1 \(\pm\) 1.1 & 7.2 \(\pm\) 1.1 & 7.2 \(\pm\) 1.1 & 7.1 \(\pm\) 1.1 & 0.265 & 0.253 & 0.326 \\ \cline{2-10}  & Overall (\%) & 75.0 \(\pm\) 10.2 & 76.2 \(\pm\) 7.9 & 76.0 \(\pm\) 7.2 & 75.2 \(\pm\) 10.7 & 0.008 & 0.004 & 0.008 \\ \cline{2-10}  & Heel (\%) & 73.2 \(\pm\) 19.5 & 74.6 \(\pm\) 13.9 & 70.8 \(\pm\) 14.0 & 76.9 \(\pm\) 18.9 & 0.003 & 0.054 & 0.003 \\ \cline{2-10}  & Forefoot (\%) & 71.0 \(\pm\) 12.1 & 66.4 \(\pm\) 18.1 & 63.0 \(\pm\) 15.9 & 74.4 \(\pm\) 12.7 \({}^{*}\) & 0.043 & 0.280 & 0.059 \\ \cline{2-10}  & Stability (\%) & 70.7 \(\pm\) 15.6 & 65.8 \(\pm\) 18.7 & 62.6 \(\pm\) 18.0 & 73.9 \(\pm\) 14.7 & 0.032 & 0.179 & 0.038 \\ \cline{2-10}  & Flexibility (\%) & 77.0 \(\pm\) 7.9 & 54.2 \(\pm\) 20.1 \({}^{*}\) & 61.8 \(\pm\) 23.3 & 69.3 \(\pm\) 13.4 & 0.554 & 0.134 & 0.590 \\ \cline{2-10}  & Grip (\%) & 71.0 \(\pm\) 17.4 & 65.5 \(\pm\) 19.8 & 74.3 \(\pm\) 17.4 & 62.3 \(\pm\) 18.2 \({}^{*}\) & 0.050 & 0.251 & 0.066 \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Results of the variables collected using conventional (CON) vs. advanced footwear technology (AFT) shoes during the two-running sets on the 3 rd day of testing. Influence of the type of shoe (CON vs. AFT), the set (Time Trial 1 and Time Trial 2), and the interaction between both variables (Shoe x Set).