Title

Effect of cold water immersion on repeated 1-km cycling performance in the heat

Document Type

Journal Article

Publisher

Elsevier

Faculty

Computing, Health and Science

School

Exercise, Biomedical & Health Science/Centre for Exercise and Sports Science Research

RAS ID

8846

Comments

This article was originally published as: Peiffer, J. , Abbiss, C. , Watson, G. , Nosaka, K. , & Laursen, P. B. (2010). Effect of cold water immersion on repeated 1-km cycling performance in the heat. Journal of Science and Medicine in Sport, 13(1), 112-116. NOTICE: this is the author’s version of a work that was accepted for publication in . Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Science and Medicine in Sport, 13,1 (2010) DOI#” .

Abstract

This study examined the effect of a short cold water immersion (CWI) intervention on rectal and muscle temperature, isokinetic strength and 1-km cycling time trial performance in the heat. Ten male cyclists performed a 1-km time trial at 35.0±0.3 ◦C and 40.0±3.0% relative humidity, followed by 20 min recovery sitting in either coldwater (14 ◦C) for 5 min or in 35 ◦Cair (control); a second 1-km time trial immediately followed. Peak and mean cycling power output were recorded for both time trials. Rectal and muscle temperature, and maximal isokinetic concentric torque of the knee extensors were measured before and immediately after the first and second time trials. Rectal temperature was not different between cold water immersion and control conditions at any time points. After the second time trial, however, muscle temperature was significantly lower (−1.3±0.7 ◦C) in cold water immersion compared with the control trial. While peak and mean power decreased from the first to second time trial in both conditions (−86±54Wand −24±16W, respectively), maximal isokinetic concentric torque was similar between conditions at all time points. The 5 min cold water immersion intervention lowered muscle temperature but did not affect isokinetic strength or 1-km cycling performance.

DOI

10.1016/j.jsams.2008.08.003

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Link to publisher version (DOI)

10.1016/j.jsams.2008.08.003