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    Effects of half-time cooling using a cooling glove and jacket on manual dexterity and repeated-sprint performance in heat

    Access Status
    Fulltext not available
    Authors
    Maroni, T.
    Dawson, B.
    Dennis, M.
    Naylor, L.
    Brade, Carly
    Wallman, K.
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Maroni, T. and Dawson, B. and Dennis, M. and Naylor, L. and Brade, C. and Wallman, K. 2018. Effects of half-time cooling using a cooling glove and jacket on manual dexterity and repeated-sprint performance in heat. Journal of Sports Science and Medicine. 17 (3): pp. 485-491.
    Source Title
    Journal of Sports Science and Medicine
    ISSN
    1303-2968
    School
    School of Physiotherapy and Exercise Science
    URI
    http://hdl.handle.net/20.500.11937/71739
    Collection
    • Curtin Research Publications
    Abstract

    © Journal of Sports Science and Medicine (2018). This study aimed to assess the separate and combined effects of a cooling glove (CG) and a gel-cooling jacket (CJ) used during a half-time break on manual dexterity performance (Purdue Pegboard test) and subsequent repeat-sprint cycling performance in hot conditions. Twelve male athletes performed four experimental trials (within subjects, counterbalanced design) that consisted of: wearing a CG, wearing a CJ, combination of CG and CJ (CG+J) or a no-cooling control (NC) for 15 min during a 20 min half-time break performed between 2 x 30 min repeated-sprint cycling bouts in heat (35.0 ± 1.2°C and 52.5 ± 7.4% RH). Manual dexterity (dominant and non-dominant hand) was assessed immediately before and after the first-half of exercise, then immediately after cooling and the second-half of exercise. No differences were found for manual dexterity performance between trials or over time (p > 0.05). Additionally, no differences were found for power and work performance variables assessed during the second-half of exercise (p > 0.05), however participants felt ‘cooler’ wearing CG+J compared to NC (Thermal Sensation scale; p = 0.041). Further, no differences were found between trials for changes in gastrointestinal core temperature for any time period assessed (p > 0.05). In conclusion, the cooling trials did not affect manual dexterity or second-half repeated-sprint cycling performance compared to NC.

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