Your workout burns fewer calories than you think

NEW YORK — For every 100 calories we might expect to burn as a result of working out, most of us will actually net fewer than 72 calories burned, according to an eye-opening new study of how physical activity affects our metabolisms.

Your workout burns fewer calories than you think 20210817_sci_physed_intensity_nyt_0

Your workout burns fewer calories than you think 20210817_sci_physed_intensity_nyt_0

The study finds that our bodies tend to automatically compensate for at least a quarter of the calories we expend during exercise, undermining our best efforts to drop pounds by working out. The results also show that carrying extra pounds unfortunately compounds calorie compensation, making weight loss through exercise even more elusive for those who are already overweight.

But the study suggests, too, that calorie compensation varies from person to person, and that learning how your metabolism responds to workouts may be key to optimising exercise for weight control.

In theory — or in a kindlier, alternative universe — exercise would aid substantially in weight loss. When we move, our muscles contract, requiring more fuel than at rest, while other organs and biological systems likewise expend extra energy. Thanks to past laboratory studies, we know approximately how much energy these processes demand. Walking a mile (1.6km), for instance, burns approximately 100 calories, depending on someone’s body size and walking speed.

Until recently, most people, including exercise scientists, assumed that this process would be additive — that is, stroll a single mile, burn 100 calories. Stroll two, burn 200, and so on, in logical, mathematical fashion. If we do not then replace those calories with extra food, we should wind up burning more calories than we consume that day and start dropping pounds.

But that rational outcome rarely happens. In study after study, most people who begin a new exercise program lose less weight than would be expected based on the number of calories they burn during their workouts, even if they strictly monitor their diets

Read more at .https://www.nytimes.com/2021/09/22/well/move/weight-loss-exercise-calories.html

Your workout burns fewer calories than you think

Your workout burns fewer calories than you think

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