Postexercise cooling interventions and the effects on exercise-induced heat stress in a temperate environment

C. Hausswirth, Rob Duffield, H. Pournot, F. Bieuzen, Julien Louis, J. Brisswalter, O. Castagna

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    11 Citations (Scopus)


    The aim of this study was to examine the effects of cool water immersion (20 °C; CWI) while wearing a cooling jacket (Cryovest;V) and a passive control (PAS) as recovery methods on physiological and thermoregulatory responses between 2 exercise bouts in temperate conditions. Nine well-trained male cyclists performed 2 successive bouts of 45 min of endurance cycling exercise in a temperate environment (20 °C) separated by 25 min of the respective recovery interventions. Capillary blood samples were obtained to measure lactate (La -), sodium (Na +), bicarbonate (HCO3 -) concentrations and pH, whilst body mass loss (BML), core temperature (T core), skin temperature (T skin), heart rate (HR), oxygen uptake, and minute ventilation were measured before (Pre), immediately after the first exercise bout (Ex1), the recovery (R), and after the second exercise bout (Ex2). V and CWI both resulted in a reduction of T skin at R (-2.1 ± 0.01 °C and -11.6 ± 0.01 °C, respectively, p < 0.01). Despite no difference in final values post-Ex2 (p > 0.05), V attenuated the rise in HR, minute ventilation, and oxygen uptake from Ex1 to Ex2, while T core and T skin were significantly lower following the second session (p < 0.05). Further, CWI was also beneficial in lowering T core, T skin, and BML, while a rise in Na + was observed following Ex2 (p < 0.05). Overall results indicate that cooling interventions (V and CWI) following exercise in a temperate environment provide a reduction in thermal strain during ensuing exercise bouts.
    Original languageEnglish
    Pages (from-to)965-975
    Number of pages11
    JournalApplied Physiology, Nutrition and Metabolism
    Issue number5
    Publication statusPublished - Oct 2012


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