## 3 Results
### Exercise Time Points Effect
\begin{table}
\begin{tabular}{c c c c c c c c} \hline  & \begin{tabular}{c} **Time** \\ **Point** \\ \end{tabular} & \begin{tabular}{c} **DT Session** \\ **Session** \\ \end{tabular} & \begin{tabular}{c} **Felock-Depth WT** \\ **+AR Session** \\ \end{tabular} & \begin{tabular}{c} **Felock-Depth WT** \\ **Session** \\ \end{tabular} & \begin{tabular}{c} **Carpal-Depth WT** \\ **WT +AR Session** \\ \end{tabular} & \
\begin{tabular}{c} **Carpal-Depth** \\ **WT +AR Session** \\ \end{tabular} &
\begin{tabular}{c} **\(p\)-Value** \\ **\end{tabular} \\ \hline HR & before & 35 (28-50) \({}^{\text{a}}\) & 38 (28-46) \({}^{\text{a}}\) & 38 (29–50) \({}^{\text{a}}\) & 36 (29–42) \({}^{\text{a}}\) & 37 (30–45) \({}^{\text{a}}\) & \(p\) = 0.31 \\ (ppm) & fin. 60 s & 98 (80-105) \({}^{\text{b}}\)\(\times\) & 106 (98-118) \({}^{\text{b}}\)\(\times\) & 103 (96–119) \({}^{\text{b}}\)\(\times\) & 111 (100–123) \({}^{\text{b}}\)\(\times\) & 114 (101–136) \({}^{\text{b}}\)\(\times\) & \(p\) = 0.001 \\ 30 min & 72 (48-82) \({}^{\text{b}}\)\(\times\) & 52 (41–46) \({}^{\text{b}}\)\(\times\) & 56 (40–58) \({}^{\text{c}}\)\(\times\) & 69 (40–76) \({}^{\text{b}}\)\(\times\) & 61 (41–76) \({}^{\text{b}}\)\(\times\) & \(p\) = 0.002 \\ 24 h & 40 (32–45) \({}^{\text{a}}\) & 36 (28–44) \({}^{\text{a}}\) & 35 (29–42) \({}^{\text{a}}\) & 36 (60–42) \({}^{\text{a}}\) & 37 (30–46) \({}^{\text{a}}\) & \(p\) = 0.06 \\ \(p\)-value & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) \\ \hline LAC & before & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & no var. \\ (mmol/L) & 0 min & 0.8 (0.5–1.8) \({}^{\text{b}}\)\(\times\) & 0.8 (0.6–1.3) \({}^{\text{b}}\)\(\times\) & 1.3 (0.8–1.6) \({}^{\text{b}}\)\(\times\) & 1.4 (0.7–2.2) \({}^{\text{b}}\)\(\times\) & 1.5 (1.1–2.9) \({}^{\text{b}}\)\(\times\) & \(p\) < 0.0001 \\ 30 min & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–1.7) \({}^{\text{a}}\)\(\times\) & 0.7 (0.5–0.5) \({}^{\text{b}}\)\(\times\) & \(p\) < 0.0001 \\ 24 h & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & 0.5 (0.5–0.5) \({}^{\text{a}}\) & no var. \\ \(p\)-value & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) & \(p<0.0001\) \\ \hline \end{tabular}
\end{table} 
Table 1: Heart rate (HR) and lactate concentrations (LAC) measured during the following treadmill exercise sessions: dry treadmill (DT) session, water treadmill (WT) session at fetlock-depth water, WT session at fetlock-depth water with artificial river (AR) mode, WT session at carpal- depth water, and WT session at carpal-depth water with AR mode. Data are presented as median and ranges (minimum and maximum values). DT session. For the fetlock-depth WT session, HGB was higher before and immediately after exercise compared to the remaining post-exercise time points. Similarly, for the fetlock-depth WT+AR session, HGB values were higher immediately after exercise compared to the remaining post-exercise time points. No significant differences in HGB were observed across time points for the other sessions (Table 2). CK activity was higher 24 h post-exercise compared to pre-exercise for the DT session, as well as immediately post-exercise compared to pre-exercise for all WT sessions. For both DT and WT sessions, no significant differences in CK activity were observed among the post-exercise time points. AST activity was higher immediately and 30 min post-exercise compared to pre-exercise for the DT session. For the fetlock-depth WT session and the carpal-depth WT+AR session, AST activity was higher at all post-exercise time points compared to pre-exercise. LDH activity was higher at 30 min and 24 h post-exercise compared to pre-exercise, with no significant differences observed among the post-exercise time points for the fetlock-depth WT session.