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Moderate Dehydration Doesn’t Impair Power Performance |
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Written by SuperHuman
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Monday, 31 March 2008 |
Wrestlers, boxers, mixed martial artists and weightlifters compete in weight categories. It’s often beneficial to
compete in a lower category to gain an advantage in size and strength,
so athletes often try to lose weight through dehydration. While severe
dehydration can cause death, many athletes can withstand small losses
in body water without decreasing performance. Scientists from the U.S.
Army Institute of Environmental Medicine in Natick, MA found that
neither moderate dehydration (water loss) nor moderate hyperthermia
(elevated body temperature) affected performance on a Wingate test
(15-second maximal sprint on a stationary bicycle). While the results
of this study were interesting, the practical application may be
limited. Athletic competitions often last all day and sometimes longer
than that. While dehydration and hyperthermia may not affect a
15-second, all-out performance, the accumulated stress of waiting hours
to compete in these conditions could have serious consequences.
(Medicine Science Sports Exercise, 38:1093-1097, 2006)
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