People eat less after harder workouts

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People eat less after harder workouts: small study

High intensity workouts may curb people’s appetite shortly afterward, according to a small study. The researchers found that overweight men ate about 200 fewer calories following a vigorous workout than after rest.



Some studies have shown that high intensity exercise is tied to appetite suppression and changes in hormones that regulate hunger and fullness, and the new research found different effects on those hormones among the various exercise regimens.
In the latest research, published in the International Journal of Obesity by Aaron Sim, a graduate student at the University of Western Australia, and his colleagues, 17 overweight men volunteered to participate in four 30-minute exercise sessions: one in which they only rested and three involving stationary cycling at either moderate, high or very high intensity.
The moderate exercise involved continuous cycling, while the more intense workouts alternated between short bursts of speed and longer stretches of pedaling at a lower speed.
After the sessions, the men ate 764 calories after resting, 710 calories after the moderate exercise, 621 calories after the high intensity workout and 594 calories after the very high intensity workout.
While the study shows promising cuts in calorie intake in the short-term, it’s unclear whether high intensity exercise can affect the longer term weight loss.
“This study provides some promising preliminary support for this notion, but further research is needed to investigate this in a longer-term study,” Sim said.
SOURCE: bit.ly/1aaGnvK International Journal of Obesity, online June 4, 2013

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