ALTERED THIRST THRESHOLD DURING HYPERTONIC STRESS IN AGING MEN
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Dehydration is typical during prolonged exercise. Because training stimulates numerous adaptations, some involving fluid regulation, it is conceivable that training involves adaptations to dehydration. This study tested the hypothesis that trained individuals have altered fluid regulatory, but not behavioural or perceptual responses to exercise when hypohydrated. Six trained (V.O2 peak: 65 ± 8 mL kg− [...]
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Background & aimsnWe aimed to determine if a structured workshop on fluid and electrolyte balance for junior surgical trainees led to an improvement in knowledge on the subject and to evaluate the perceived helpfulness of such a workshop.nnMethodsnSurgical trainees attended an interactive lecture-based workshop on fluid and electrolyte balance. Participants had online access to the [...]
To determine whether responses to dehydration are altered with age, we investigated the thirst, fluid and electrolyte responses, and hormonal responses to 24 hours of water deprivation in seven healthy active elderly men (67 to 75 years old) and seven healthy young men (20 to 31 years old) who were matched for weight loss during [...]
CONTEXT: Considerable controversy regarding fluid replacement during exercise currently exists. OBJECTIVE: To compare fluid turnover between National Football League (NFL) players who have constant fluid access and collegiate football players who replace fluids during water breaks in practices. DESIGN: Observational study. SETTING: Respective preseason training camps of 1 National Collegiate Athletic Association Division II (DII) [...]
PURPOSE: To determine whether athletes who had previously developed hyponatremia during an ultradistance triathlon show an impaired ability to excrete a large fluid load compared with athletes who had completed the same race without developing hyponatremia. METHODS: Six athletes who had developed hyponatremia ([Na] < 135 mmol x L(-1)) in the 1997 Ironman Triathlon (study [...]
To investigate the effects of hydration status on oxidative DNA damage and exercise performance, 10 subjects ran on a treadmill until exhaustion at 80% VO(2max) during four different trials [control (C), 3% dehydration (D), 3% dehydration+water (W) or 3% dehydration+sports drink (S)]. Dehydration significantly decreased exercise time to exhaustion (D
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PURPOSE OF REVIEW: There is a growing interest in the field of pediatric sports nutrition because of the will to lead the child athlete to high achievements, with minimal impairment of growth and development. In this article, we review some of the new data concerning the possible short-term and long-term effects of nutrition on children's [...]