Influence of hydration level and body fluids on exercise performance in the heat.

@article{Sawka1984InfluenceOH,
  title={Influence of hydration level and body fluids on exercise performance in the heat.},
  author={Michael N. Sawka and Ralph P. Francesconi and Andrew John Young and Kent B. Pandolf},
  journal={JAMA},
  year={1984},
  volume={252 9},
  pages={1165-9}
}
During exercise in the heat, sweat output often exceeds water intake, resulting in hypohydration, which is defined as a body fluid deficit. This fluid deficit is comprised of water loss from both the intracellular and extracellular fluid compartments. Hypohydration during exercise causes a greater heat storage and reduces endurance in comparison with euhydration levels. The greater heat storage is attributed to a decreased sweating rate (evaporative heat loss) as well as a decreased cutaneous… CONTINUE READING

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