Tag Archives: hydration and cognitive function

Dehydration is a Performance Killer

12 Oct

4521366051[1]Plenty has been written about the importance of hydration and its effect on athletic performance.

Water affects athletic performance more than any other nutrient, and dehydration is the number one cause of performance-related fatigue and decline.

Adequate fluid balance is also important for optimal cognitive function and overall function as it relates to activities of daily living.

Multiple studies corroborate that dehydration impairs sprint performance, jump performance, resistance training, power production, recovery, and heart rate response.

Athletes:  It’s important to stay hydrated throughout the day — before, during, and after training, practices, and games — whether you feel thirsty or not.

Coaches/Trainers:  We’ve got to encourage hydration (via education) and incorporate hydration “stations” into athletes’ training, practices, and games, even (and especially) when they tell us they are “not thirsty.”

For more information, please refer to the following articles:

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Schools Should Encourage Hydration for Kids

20 Mar

Drinking-fountain[1]Dehydration is the #1 cause of performance-related decline, but not just physiological decline.

Even mild-to-moderate dehydration in school-aged kids can adversely impact cognitive performance.  Being dehydrated by just 2% impairs performance in tasks that require attention, psychomotor, and immediate memory skills, according to research from the Journal of the American College of Nutrition.

Many of the student-athletes we train tell us that water bottles are forbidden in their schools.  Perhaps there’s some safety/security issue that I just don’t see, but I don’t understand this policy.

Teachers and administrators should be encouraging their students to stay hydrated throughout the day.  I’ve read about schools whose teachers remind their students, at the end of each period, to get a drink of water between classes.  I’ve also heard about schools that set up “drink stations” in their halls to ensure that students have an opportunity to drink water between classes.

Improving education and awareness among administrators, teachers, and students — as is relates to proper hydration and its impact on daily physiological and psychological function — is a step in the right direction.

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