## 3 Results
### Impact of Acceleration/Deceleration  
For all the conditions tested, no statistical significance differences were observed for serum lipid hydroperoxide, plasma SOD, and total GSH concentrations compared to the control conditions (\(p>0.05\)) (Table 3A-C).  
\begin{table}
\begin{tabular}{c c c c c} \hline \hline  & \multicolumn{4}{c}{(B)} \\ \hline \multicolumn{4}{c}{**GSH (\(\mu\)M)**} \\ \hline
**Exercise Protocol** & **Baseline** & **1 h** & **2 h** & **24 h** \\ \hline Control & 1.44 (0.78–1.91) & 1.49 (0.95–2.17) & 1.80 (1.37–2.87) & 1.64 (1.16–1.98) \\ Low intermittent & 0.96 (0.73–1.04) & 1.76 (1.03–2.61) & 1.54 (1.37–2.68) & 1.69 (1.58–1.72) \\ Moderately & 1.51 (1.11–2.39) & 1.80 (1.38–2.35) & 2.04 (1.59–2.89) & 1.66 (1.38–2.36) \\ Intermittent & 1.26 (0.84–1.71) & 1.79 (1.06–1.94) & 1.54 (1.35–1.65) & 0.99 (0.90–1.86) \\ \hline \multicolumn{4}{c}{**(C)**} \\ \hline \multicolumn{4}{c}{**Superoxide Dismutase (U/mL)**} \\ \hline
**Exercise Protocol** & **Baseline** & **1 h** & **2 h** & **24 h** \\ \hline Control & 1.15 (0.94–2.45) & 1.33 (1.17–2.85) & 1.32 (1.03–2.65) & 1.22 (1.07–3.03) \\ Low intermittent & 0.95 (0.95–1.29) & 1.51 (0.83–1.73) & 1.02 (1.00–1.19) & 1.11 (0.94–1.70) \\ Moderately & 1.01 (0.99–1.83) & 1.39 (0.99–1.89) & 1.28 (1.09–2.03) & 1.41 (0.81–1.90) \\ Highly Intermittent & 1.20 (1.07–1.38) & 1.11 (0.97–1.28) & 1.15 (0.85–1.20) & 1.19 (0.93–1.39) \\ \hline \hline \end{tabular}
\end{table}
Table 2: _Cont._  
\begin{table}
\begin{tabular}{c c c c c} \hline \hline  & \multicolumn{4}{c}{**(A)**} \\ \hline \multicolumn{4}{c}{**Lipid Hydroperoxides (\(\mu\)mol L–1)**} \\ \hline
**Exercise Protocol** & **Baseline** & **1 h** & **2 h** & **24 h** \\ \hline Control & 4.35 (2.28–10.16) & 2.20 (1.77–7.09) & 2.36 (2.14–4.67) & 3.55 (2.85–4.33) \\ Low acceleration & 4.68 (4.31–8.13) & 4.95 (4.13–7.02) & 4.65 (4.23–7.84) & 6.69 (3.85–6.87) \\ Moderate & 6.81 (6.44–11.32) & 6.22 (4.72–13.27) & 4.85 (4.58–9.59) & 4.79 (4.25–9.80) \\ High acceleration & 2.51 (2.08–4.73) & 2.57 (2.30–7.62) & 2.69 (2.53–8.88) & 2.23 (2.00–7.79) \\ \hline \multicolumn{4}{c}{**(B)**} \\ \hline
**Exercise Protocol** & **Baseline** & **1 h** & **2 h** & **24 h** \\ \hline Control & 1.44 (0.78–1.91) & 1.49 (0.95–2.17) & 1.80 (1.37–2.87) & 1.64 (1.16–1.98) \\ Low acceleration & 1.63 (1.43–2.20) & 1.44 (0.86–2.11) & 1.61(1.17–1.93) & 2.15 (1.30–3.43) \\ Moderate & 2.24 (2.08–2.78) & 2.01 (1.40–2.59) & 3.07 (2.16–3.24) & 1.98 (1.76–2.96) \\ High acceleration & 1.51 (1.11–2.39) & 1.80 (1.38–2.35) & 2.04 (1.59–2.89) & 1.66 (1.38–2.36) \\ \hline \multicolumn{4}{c}{**(C)**} \\ \hline
**Exercise Protocol** & **Baseline** & **1 h** & **2 h** & **24 h** \\ \hline Control & 1.15 (0.94–2.45) & 1.33 (1.17–2.85) & 1.32 (1.03–2.65) & 1.22 (1.07–3.03) \\ Low acceleration & 1.26 (1.04–3.29) & 1.27 (1.01–4.28) & 1.45 (1.14–2.85) & 1.57 (1.30–3.63) \\ Moderate & 3.05 (1.23–3.59) & 2.56 (1.44–3.53) & 2.65 (1.51–3.26) & 2.76 (1.21–3.38) \\ High acceleration & 1.04 (1.04–3.29) & 1.39 (1.01–4.28) & 1.28 (1.14–2.85) & 1.41 (1.30–3.63) \\ \hline \hline \end{tabular}
\end{table}
Table 3: (**A–C**) Concentrations of A, lipid hydroperoxide, B, total GSH, and C, superoxide dismutase activity following 3 different HIIT protocols of varying acceleration at baseline, 1 h, 2 h, and 24 h. Median values with 75% upper and 25% lower percentiles.