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Each season and sport brings its own set of challenges – summer athletics and hot weather conditions require careful thought about body temperature regulation and adequate fluid intake, in addition to the nutritional considerations for peak athletic performance.

It’s not uncommon to lose up to four cups of fluid (or two pounds of body weight) per hour of exercise in hot, humid conditions. The resulting decrease in strength and endurance can be surprisingly dramatic. In fact, dehydration can be the biggest hindrance to optimizing both training and recovery – with the effects taking hours or even days to recuperate from. Not only performance can suffer; potentially life-threatening symptoms of heat illness can appear if thirst is ignored or fluids are limited.

Signs and symptoms of dehydration include:

  • Increased thirst
  • Headache
  • Muscle cramps
  • Lack of concentration
  • High perceived exertion during activity
  • Trouble tolerating the heat
  • Delayed recovery
  • Dark urine and decreased frequency of urination

Take a peek at your urine. What color is it? If it’s dark and there’s not much of it, you need to drink more. If it’s pale yellow (think lemonade), you’re probably close to proper hydration.

So how much should you drink?
To stay hydrated and perform at your best, follow these simple rules:

  1. Drink 1-2 cups of fluid with meals – milk, water and 100% juice all count.
  2. Carry a water bottle with you throughout the day and sip on it regularly.
  3. Take a break every 15 to 20 minutes during exercise and drink two to three big gulps of fluid.

What should you drink before, during and after exercise?
Individual preference, including taste and energy needs, affects what you choose to drink. For exercise lasting less than 60 minutes, water is adequate. For activities longer than 60 minutes in duration, or for training camps or long competitions, choose a beverage with carbohydrates and electrolytes. Many sports drinks are designed to replace fluids and provide needed energy in the form of carbohydrates; most also contain electrolytes, such as sodium and potassium, which are lost in sweat. Milk, both white and chocolate, also provide a natural source of carbohydrates and electrolytes.

Refueling with fluid after exercise is important. Take advantage of the recovery benefits of milk by enjoying a glass of ice cold white or chocolate milk within 30 to 60 minutes of completing your activity. Both deliver sufficient carbohydrates to refuel muscle energy stores, in addition to providing protein necessary to rebuild and repair muscles after activity.

*All information associated with the Western Dairy Association “Nutriton Corner” is sponsored by Western Dairy Association as a partnership with University of Denver Athletics & Recreation, and not provided by trainers or staff of the Coors Fitness Center.

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