Habituation of the metabolic and ventilatory responses to cold-water immersion in humans

Tipton, Michael, Wakabayashi, Hitoshi, Barwood, Martin, Eglin, Clare, Mekjavic, Igor B. and Taylor, Nigel (2013) Habituation of the metabolic and ventilatory responses to cold-water immersion in humans. Journal of Thermal Biology, 38 (1). pp. 24-31. ISSN 0306-4565

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Official URL: http://dx.doi.org/10.1016/j.jtherbio.2012.10.002


An experiment was undertaken to answer long-standing questions concerning the nature of metabolic habituation in repeatedly cooled humans. It was hypothesised that repeated skin and deep-body cooling would produce such a habituation that would be specific to the magnitude of the cooling experienced, and that skin cooling alone would dampen the cold-shock but not the metabolic response to cold-water immersion. Twenty-one male participants were divided into three groups, each of which completed two experimental immersions in 12 °C water, lasting until either rectal temperature fell to 35 °C or 90 min had elapsed. Between these two immersions, the control group avoided cold exposures, whilst two experimental groups completed five additional immersions (12 °C). One experimental group repeatedly immersed for 45 min in average, resulting in deep-body (1.18 °C) and skin temperature reductions. The immersions in the second experimental group were designed to result only in skin temperature reductions, and lasted only 5 min. Only the deep-body cooling group displayed a significantly blunted metabolic response during the second experimental immersion until rectal temperature decreased by 1.18 °C, but no habituation was observed when they were cooled further. The skin cooling group showed a significant habituation in the ventilatory response during the initial 5 min of the second experimental immersion, but no alteration in the metabolic response. It is concluded that repeated falls of skin and deep-body temperature can habituate the metabolic response, which shows tissue temperature specificity. However, skin temperature cooling only will lower the cold-shock response, but appears not to elicit an alteration in the metabolic response.

Item Type: Article
Uncontrolled Keywords: body temperature, cold, shivering, adaptation
Subjects: C100 Biology
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Ay Okpokam
Date Deposited: 04 Jul 2014 16:10
Last Modified: 12 Oct 2019 16:25
URI: http://nrl.northumbria.ac.uk/id/eprint/16875

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