of course, your supposed to drink water while your exercising
Yes, it keeps you hydrated - you should always drink water before exercising, during exercising and after. And when you aren't even exercising!
Immediately before and during exercise drink 2 litres cold water, the icier the better.
30 minutes
30 minutes : NovaNet
30 minutes
8ounces
Water hydrates you the best. It is good to drink it before and after exercise. Sports drinks have vitamins that recover electrolytes lost in sweat, which water doesn't. But sports drinks have lots of sugar, which is bad for you before before and after the exercise. The best time to drink them is during the exercise.
Water keeps you hydrated and doesn't deplete the muscles of energy. You should drink at least a quart of water after heavy exercise.
In general, drink until you aren't thirsty any more.
The patient should avoid strenuous exercise and have nothing to eat or drink, except water, for eight to ten hours before this test.
You should drink water during and after exercising. It is easy to become dehydrated during exercise, fluids help to prevent dehydration.
Before exercise: Drink one to cups (eight to 16 ounces) of fluid two hours before exercise to make sure you are well hydrated. Then drink another one-half to one cup immediately before exercise. During exercise: Drink one-half to one cup every 15 to 20 minutes during exercise. Although this might seem tough at first, once you schedule it into your regular training routine, you will quickly adapt to having fluid in your stomach. In fact, the fuller your stomach is, the faster it will empty. After exercise: Replace any fluid you have lost. Drink two cups of fluid for every pound of body weight you lose during exercise. In hot, humid weather, you need to drink more than usual. (But do not forget that dehydration also occurs during cold weather exercise
you shouldn't unless you drink a lot of water