Half-marathon running performance is not improved by a rate of fluid intake above that dictated by thirst sensation in trained distance runners

Purpose It has been demonstrated that exercise-induced dehydration (EID) does not impair, and ad libitum drinking optimizes, cycling time-trial (TT) performance. However, the idea that EID ≥ 2 % bodyweight (BW) impairs endurance performance is well ingrained. No study has tested the impact of EID up...

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Bibliographic Details
Published in:European journal of applied physiology 2013-12, Vol.113 (12), p.3011-3020
Main Authors: Dion, Tommy, Savoie, Félix A., Asselin, Audrey, Gariepy, Carolanne, Goulet, Eric D. B.
Format: Article
Language:English
Subjects:
Adult
Aerobics
Athletes
Athletic Performance - physiology
Biomedical and Life Sciences
Biomedicine
Drinking
Exercise
Fitness equipment
Heart rate
Human Physiology
Humans
Male
Marathons
Occupational Medicine/Industrial Medicine
Original Article
Physical fitness
Running
Sports Medicine
Thirst
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Summary:Purpose It has been demonstrated that exercise-induced dehydration (EID) does not impair, and ad libitum drinking optimizes, cycling time-trial (TT) performance. However, the idea that EID ≥ 2 % bodyweight (BW) impairs endurance performance is well ingrained. No study has tested the impact of EID upon running TT performance. We compared the effects of thirst-driven (TD) vs. programmed fluid intake (PFI) aimed at maintaining EID-associated BW loss
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-013-2730-8