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Cited by 2Thermoregulation and physiological responsesExercise and Physiological ResponsesCardiovascular and exercise physiology

Post-Exercise Rehydration: No Change in Diuresis from Water Ingested at Different Temperatures

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Pérez-Idárraga, Alexandra, Aragón-Vargas, Luis Fernando·2010·Medicina Sportiva
DOI 10.2478/v10036-010-0015-4
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Abstract

Aim: to assess the effect of water temperature on post-rehydration urine output and fluid retention Methods: on three different days, one week apart, 11 physically active men (24±4 years old, 1.73±0.05 m and 70.2±9.0 kg) (x ± S.D.) exercised intermittently in a temperature-controlled room (Dry bulb temperature = 30-32°C, relative humidity = 50-60%) until dehydrated to 1.96±0.2% of body mass (BM) on three separate occasions. They were rehydrated in random order with cold (4-6°C), ambient (23-25°C) or warm (38-40°C) water, equivalent in volume to 120% of weight loss. Fluid was consumed in one hour in 6 equal aliquots, one every 10 minutes. Following rehydration, urine samples were collected every 30 minutes for 4 hours, analyzing volume and Urine Specific Gravity (USG). Results: no interaction was found between water temperature (TEMP) and diuresis (P=.726), or USG (P=.140) over time. There was no significant effect of TEMP on the total volume of urine eliminated (882±380, 973±341, and 1006±407 mL for cold, ambient, and warm water, respectively; P=.541), or on fluid retention (45.0±22, 41.9±14 and 37±28%; P=.588). Conclusion: when men are rehydrated with a volume of water equivalent to 120% of weight loss, after dehydration to 2% BM, water temperature (within this range) has no effect on diuresis or fluid retention.

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Authors
Pérez-Idárraga, A., & Aragón-Vargas, L. F.
Venue
Medicina Sportiva
Publisher
Index Copernicus
Published
2010-06-01
Volume
14
Issue
2
Pages
77-82
ISSN
  • 1429-0022 (ISSN-L)
  • 1734-2260
DOI
10.2478/v10036-010-0015-4
OpenAlex
W1969501547
Cited by
2
References
29
Citations by year
2020: 1
FWCI
0.22
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Medicina Sportiva (publishedVersion, cc-by)
  • Americanae (AECID Library) (submittedVersion, cc-by-nc-nd)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
post-exercise rehydration, water temperature, diuresis, fluid retention, dehydration, urine specific gravity, cold water, warm water

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