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Hypohydration and thermoregulation in cold air
Journal of Applied Physiology, 1998 O’Brien, Catherine, Andrew J. Young, and Michael N. Sawka.Hypohydration and thermoregulation in cold air. J. Appl. Physiol. 84(1): 185–189, 1998.—This study examined the effects of hypohydration on thermoregulation during cold exposure. In addition, the independent influences of hypohydration-associated hypertonicity and hypovolemia were investigated.
C, O'Brien, A J, Young, M N, Sawka
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Physiological Adjustments to Hypohydration: Impact on Thermoregulation
Autonomic Neuroscience: Basic and Clinical, 2016Sufficient body water is required to sustain thermoregulatory function, thus losses in total body water (TBW) can challenge the thermoregulatory system. A TBW deficit ≥2% body mass (hypohydration) is recognized as the threshold when thermoregulatory function becomes measurably altered.
Samuel N Cheuvront, Robert W Kenefick
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International Journal of Biometeorology, 1966
Four male subjects at a high level of physical fitness were put on a controlled diet 4 days prior to a 4-hr exposure in a hot room(49°C) in separate experiments at rest or with exercise on a treadmill and free or no access to drinking water.The experiments were repeated at 24°C.Each experiment was followed by a recovery period of 8 hr. The water intake
J E Greenleaf
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Four male subjects at a high level of physical fitness were put on a controlled diet 4 days prior to a 4-hr exposure in a hot room(49°C) in separate experiments at rest or with exercise on a treadmill and free or no access to drinking water.The experiments were repeated at 24°C.Each experiment was followed by a recovery period of 8 hr. The water intake
J E Greenleaf
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Effects of preparticipating hypohydration on cardiac burden in recreational athletes
Physiology InternationalAbstractThe global temperature rise will have extensive consequences on our organ systems, but hypohydration caused by reduced water intake or increased water loss through sweating plays the most relevant role. Many studies have already demonstrated the association between hypohydration and impaired exercise performance, but data related to the cardiac
Antonia Kellnar +5 more
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Effects of Hypohydration on Repeated 40-yd Sprint Performance
Journal of Strength and Conditioning Research, 2016 This study examined the effects of hypohydration on repeated 40-yd sprint performance. Anaerobically fit current and former Division II male athletes (n = 12) completed 2 bouts of 10 × 40-yd sprints followed by an agility test, dehydrated (∼3% body weight [DT]), or hydrated trial (HT).
Gann, Joshua J. +4 more
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The effect of hypohydration on endothelial function in young healthy adults
European Journal of Nutrition, 2016 Hypohydration has been suggested as a predisposing factor for several pathologies including cardiovascular diseases (CVD). While CVD are the leading cause of death worldwide, no study has investigated whether acute hypohydration affects endothelial function and cardiovascular function.Ten young, healthy males participated in this crossover study (age ...
Giannis Arnaoutis +7 more
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Nutrients, 2023 Background: Heat induces a thermoregulatory strain that impairs cardiopulmonary exercise capacity. The aim of the current study is to elucidate the effect of isolated dehydration on cardiopulmonary exercise capacity in a model of preparticipating ...
Stefan Brunner +2 more
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Effects of Hypohydration and Fluid Balance in Athletes’ Cognitive Performance: A Systematic Review [PDF]
African Health Sciences, 2022 Background: The effects of progressive body fluid loss on athletic and cognitive performance are known to result from exposure to environmental heat stress, morphologic factors, and limited fluid replenishment.
Gerrit Jan Breukelman
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Hypohydration and physiological strain during heatwaves
, 2021 The present thesis builds upon existing evidence in the field of extreme heat and human thermoregulation, with specific focus on the impact of hypohydration on the development of thermal strain. The systematic review presented in Chapter 3 focusses on quantitively defining the effect of hypohydration on thermal, cardiovascular and renal wellbeing ...
Graham, Connor
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Hypohydration during Prolonged Exercise in the Heat [PDF]
, 2014 Hypohydration during Prolonged Exercise in the Heat This thesis investigated the effect of hypohydration during prolonged exercise in the heat and the adjustments in the thermoregulatory and cardiovascular control. Four inter-related studies were undertaken.
Ler, Hui Yin
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