Whole-Body Cryotherapy's Enhancement of Acute Recovery of Running-Performance in Well-Trained Athletes

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PURPOSE: To examine the effects of a whole-body cryotherapy protocol (3 min at -110°C) on acute recovery and key variables of endurance performance during high-intensity intermittent exercise in a thermoneutral environment.

METHODS: Eleven endurance athletes were tested twice in a randomized crossover design. 5 x 5 min of high-intensity running (HIR) were followed by one hour of passive rest at ~22°C, that either included 3 min of whole-body exposure to -110°C (WBC) or a placebo intervention of 3 min walking (PBO). A ramp test protocol was performed before HIR (R1) and after the one hour recovery period (R2). Time to exhaustion (tlim) was measured along with alterations in oxygen content of the m. vastus lateralis (TSI), oxygen consumption (VO2), capillary blood lactate (Lac), heart rate (HR) and rating of perceived exertion (RPE) during submaximal and maximal running.

RESULTS: The difference in tlim between R1 and R2 was lower in the WBC condition compared to PBO (p < 0.05; effect size d = 1.13). During R2 TSI was higher in WBC during submaximal and maximal running (p < 0.01; d = 0.68 - 1.01). In addition VO2, HR and RPE were lower at submaximal level of R2 following WBC compared to PBO condition (p = 0.04 - <0.01; d = 0.23-0.83).

CONCLUSION: WBC improves acute recovery during high-intensity intermittent exercise in thermoneutral conditions. The improvements might be induced by enhanced oxygenation of the working muscles as well as a reduction in cardiovascular strain and increased work economy at submaximal intensities.

Original languageEnglish
JournalInternational journal of sports physiology and performance
Volume10
Issue number5
Pages (from-to)605-612
Number of pages8
ISSN1555-0265
DOIs
Publication statusPublished - 05.01.2015

ID: 702922

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