Diurnal Variation in Physiological and Immune Responses to Endurance Sport in Highly Trained Runners in a Hot and Humid Environment

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">09:00 hs</td><td class="align_center">18:00 hs</td><td class="align_center">% difference</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Mean speed (km·h<sup>−1</sup>)</td><td class="align_center">14.75 ± 0.43</td><td class="align_center">14.80 ± 0.45</td><td class="align_center">0.3%</td></tr><tr><td class="align_left">Resting HR (beats·min<sup>−1</sup>)</td><td class="align_center">50 ± 7</td><td class="align_center">53 ± 7</td><td class="align_center">6%</td></tr><tr><td class="align_left">Peak HR (beats·min<sup>−1</sup>)</td><td class="align_center">182 ± 11</td><td class="align_center">181 ± 13</td><td class="align_center">0.5%</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>Values are mean ± SD.<br/></div></td></tr></table>

<div>The effect of the exercise trial in heat and circadian rhythmicity on HR, RPE, and speed at 09:00 hs and 18:00 hs.</div>

Oxidative Medicine and Cellular Longevity

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Table 2

Table 2: Diurnal Variation in Physiological and Immune Responses to Endurance Sport in Highly Trained Runners in a Hot and Humid Environment 