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Heat Stress Degrades Hiking Performance


Abstract This study investigated the effect of environmental heat stress on physiological and performance measures during a ~4 mi time trial (TT) mountain hike in the Phoenix metropolitan area. Participants (n = 12; 7M/5F; age 21.6 ± 2.47 [SD]) climbed ‘A’ mountain (~1 mi) four times on a hot day (HOT; wet bulb globe temperature [WBGT] = 31.6°C) and again on a moderate day (MOD; WBGT = 19.0°C). Physiological and performance measures were made before and throughout the course of each hike. Mean pre-hike hydration status (urine specific gravity [USG]) indicated that participants began both HOT and MOD trials in a euhydrated state (1.016 ± 0.010 and 1.010 ± 0.008, respectively) and means did not differ significantly between trials (p = .085). Time tria... (more)
Created Date 2019
Contributor Linsell, Joshua (Author) / Wardenaar, Floris (Advisor) / Berger, Christopher (Committee member) / Forzani, Erica (Committee member) / Hondula, David (Committee member) / Arizona State University (Publisher)
Subject Environmental health / Health sciences / Public health / Acclimatization / Aerobic fitness / Exertional heat illness / Heat Stress / Performance / Time Trial
Type Masters Thesis
Extent 81 pages
Language English
Copyright
Note Masters Thesis Exercise and Wellness 2019
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis