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Comparison of Oral Rehydration Drinks and their Effects on Physical Performance in United States Military Personnel

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Technical Report,01 Jul 2016,01 Jan 2019

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711th Human Performance Wing Wright-Patterson AFB United States

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Exertional heat stress is a serious condition, which continues to be prevalent among active duty members, especially those operating in hot and humid climates such as flight maintainers, flight crew, loadmasters and Special Operations Forces during Sustained Operations Missions SUSOPS. Even mild levels of dehydration have the potential to cause significant neuromuscular and physiological strain. Water alone may not be sufficient in maintaining physical performance greater than 60 minutes, or preventing dehydration, compared to drinks containing electrolytes and carbohydrates. Therefore, the primary aim of this study was to measure the effects of various oral rehydration drinks on physical performance in highly fit military personnel during a 10-mile run in a normothermic environment. Consistent with previous investigations, future research may include testing a larger sample size in a thermal chamber where environmental conditions are better controlled. Additionally, this study may benefit from adding more subjects and controlling pre-exercise hydration, as well as decreasing the volume of fluid consumed.

Subject Categories:

  • Stress Physiology

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