cold exercise may inhibit weight loss

The study: White tracked the energy used by 11 UF students as they
rode a stationary bicycle submerged in water for 45 minutes. The
students exercised in cold water of 68 degrees Fahrenheit and warm
water of 91.4 degrees Fahrenheit. The same students, ages 21 to 31,
also spent 45 minutes resting. After each exercise session and the
rest period, the students' blood pressure and heart rates were
measured. They were also allowed free access to a standard assortment
of food with known caloric values--but the students did not know the
researchers were watching what they ate.

The results: The students used a similar amount of energy during the
exercises, specifically 517 calories in the cold water and 505 in the
warm water. They expended 123 calories while resting. The students ate
foods with significantly more calories--44 percent higher--after
exercising in cold water than they did after warm water exercise or
rest. Specifically, the students consumed a mean 877 calories after
exercise in cold water, 608 calories after exercise in warm water, and
618 after resting periods.

Why does cold water make us eat more? White suggests that the body
temperature might influence post-exercise appetite. "This is a
preliminary study, which suggests that environmental conditions during
exercise may influence post-exercise appetite," White said. Still,
individuals should consider the kinds of foods they eat after
exercise.

The study findings were published in the International Journal of
Sport Nutrition and Exercise Metabolism.


From Netscape.com


....That's what I was afraid of. Even though I get so sweaty while
skating I find that I have a bigger appetite for hot foods, and food
in general, after I've cooled down. And I eat popcorn after the meal
when I get home because I still feel hungry. During the summer after
skating I'm not as hungry. The rink is significantly warmer during
the summer. And it is a lot warmer at home, 75-80 deg F compared to
59-64 F at home during late fall, winter, and early spring.

I can exercise and dance at home or at a lesson for 90 min and feel
thirsty but not hungry.

Maybe I should try eating before skating rather than after but I don't
if I can squeeze in a meal between after school, drive to rink, prep
to skate. --Maybe a significant snack will help...or drink a lot of
hot herbal tea afterward for warmth.

I wonder if drinking a warm beverage during practice rather than "rink
temp" water bottle will help keep down the calorie yearning later?

LK

.

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