Effect of the period on the sympathovagal balance (LF/HF) (mean ± SEM).

<p>*<i>P</i><0.05. (pairwise multiple comparison procedures were used to test the differences between the <i>control</i>, <i>prior</i> and <i>during</i> periods. Data were adjusted for multiple testing with the Tukey-Kramer test).</p