Re: cold exercise may inhibit weight loss
- From: "W Letendre" <wjlservo@xxxxxxxxxxxxxxxx>
- Date: 2 Mar 2006 11:41:58 -0800
LK wrote:
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.
Huh! And here I was thinking that maybe I would have more luck gaining
weight if I switched to some sort of exercise that can be done at less
than frigid temperatures. Would hate to have to do so; I love skating,
even if I'm not particularly good at it....
Truth to tell, though, find that I lose weight when forced to stay away
from rink. May be the same phenomenon that study found in their student
volunteers: an increase in appetite spurred by loss of body heat.
W Letendre
.
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