Carbohydrate ingestion and pre-cooling improves exercise capacity following soccer-specific intermittent exercise performed in the heat.

Neil Clarke, B. Drust, D.P.M. MacLaren, T. Reilly

    Research output: Contribution to journalArticle

    12 Citations (Scopus)
    23 Downloads (Pure)

    Abstract

    Ingestion of carbohydrate and reducing core body temperature pre-exercise, either separately or combined, may have ergogenic effects during prolonged intermittent exercise in hot conditions. The aim of this investigation was to examine the effect of carbohydrate ingestion and pre-cooling on the physiological responses to soccer-specific intermittent exercise and the impact on subsequent high-intensity exercise performance in the heat. Twelve male soccer players performed a soccer-specific intermittent protocol for 90 min in the heat (30.5°C and 42.2% r.h.) on four occasions. On two occasions, the participants underwent a pre-cooling manoeuvre. During these sessions either a carbohydrate-electrolyte solution (CHOc) or a placebo was consumed at (PLAc). During the remaining sessions either the carbohydrate-electrolyte solution (CHO) or placebo (PLA) was consumed. At 15-min intervals throughout the protocol participants performed a mental concentration test. Following the soccer-specific protocol participants performed a self-chosen pace test and a test of high-intensity exercise capacity. The period of pre-cooling significantly reduced core temperature, muscle temperature and thermal sensation (PÂ
    Original languageEnglish
    Pages (from-to)1447-1455
    JournalEuropean Journal of Applied Physiology
    Volume111
    Issue number7
    DOIs
    Publication statusPublished - 2011

    Keywords

    • soccer
    • heat
    • exercise
    • pre-cooling
    • carbohydrates

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