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Wysłany: Wto 4:22, 19 Kwi 2011 Temat postu: nike wind rift74fhCan Sports Drinks Effectively Re |
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you sweat, the center goes harder, your body temperature drops, and your performance declines. Unless this fluid is replaced, you could end up dehydrated even before you’re thirsty and suffer from headaches and dizziness, lapse into a coma and die.
Since sports drinks involve sodium and glucose, they are said to replace fluids extra mainly than water and are quickly absorbed from the small intestine into the bloodstream. That claim is trumpeted by Gatorade which supposedly “works 30 percent faster than water.” The foundation for this catchy clause is a study published in the American Journal of Physiology.
In that study, exercise physiologist Carl V. Gisolfi and his colleagues by the University of Iowa tested how well 7 volunteers absorbed a 6 percentage carbohydrate solution with electrolytes and distilled water. They found that the carbo solution (which was alike to Gatorade) was absorbed 30 percent faster.
That should have put anything in place except ahead of: the solution was infused directly into the small intestine of the volunteers. It never passed the stomach. Unless you happen to be a Martian, however you drink 1st passes through the stomach before going to the small intestine.
The stomach can greatly affect how speedily a fluid is absorbed and approaches the bloodstream. Unfortunately, nobody of the manifold contractors of sports drinks appear to be interested in knowing how well their products are absorbed by the stomach. And even if their products are immediately absorbed nike air rift, there is no evidence that the rate of fluid absorption affects athletic representation.
What does this teaches us? Simply that “the best path apt shirk dehydration namely to drink enough fluids to offset your sweat loss - a pint because each pound loss during a workout. You should drink before, during, and afterward a workout. Several kinds of fluids will do the job. Plain water, which is lightly preoccupied by the body, is peerless adequate - and is in truth the best drink to drink before you exercise,” said the editors of Consumer Reports.
The sodium in sports drinks supposedly assists the body maintain fluids after intense, prolonged exercise better than water. Promoters of performance drinks say this was shown in a study promulgated in the International Journal of Sports Medicine.
However, Edward F. Coyle, director of the Human Performance Laboratory of the University of Texas and co-author of the learn, said the inconsistencies between the two liquids were minimal. And if you eat a repast among three hours, you tin get enough sodium without wasting money on whichever amusements beverage.
Another selling point of sports drinks is that they effectively replace electrolytes that are lost when you sweat. Again, this is a triumph of hope over cause. While sports drinks do contain sodium and potassium that are lost when you swelter Nike Hyperize basketball, there’s no need to waste them since experts say you can easily get these minerals from a nice meal.
“The electrolytes in sports drinks have 1 benefit: manufacturers claim the electrolytes help keep you thirsty and encourage you to keep drinking until you get enough fluid. But if you follow the experts’ advice, that latent behalf is irrelevant. Sports physiologists recommend that you start drinking before you feel thirsty, and keep drinking even after your lust is quenched nike shoes,” said the editors of Consumers Reports. (Next: How sports drinks endow to tooth decay).
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