From Our 2010 Archives
Athletes Need to Protect Against Heat Stroke: Expert
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SATURDAY, July 31 (HealthDay News) -- Heat cramps, heat exhaustion and potentially fatal heat stroke are risks when exercising or playing sports during the summer, but they can be prevented by taking a few simple precautions, advises a Medical College of Georgia expert.
Heat illness occurs when the body loses its ability to cool itself, Tim McLane, a certified athletic trainer at the MCGHealth Sports Medicine Center, said in a news release from MCGHealth. In normal conditions, the body uses sweat evaporation to cool itself during exercise. But hot, humid weather hinders sweat evaporation, which increases the risk of heat illness, he explained.
McLane offered the following safety tips:
Dehydration -- a major risk factor for heat illness -- can occur in as little as 30 minutes if you're exercising in hot, humid conditions, McLane said. Athletes should drink fluids regularly because waiting until you feel thirsty may be too late. By then, you may have already lost about 2 percent of body weight as sweat.
Drink at least 16 ounces of fluid about two hours before exercise and drink at least 7 to 10 ounces of fluid every 10 to 20 minutes during exercise, McLane recommends. After exercise, drink 24 ounces per pound of body weight lost through sweat.
-- Robert Preidt
Copyright © 2010 HealthDay. All rights reserved.
SOURCE: MCGHealth, news release, July 28, 2010
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