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Exercise less and lose more weight!
Researchers from the University of Copenhagen in Denmark monitored 64 moderately overweight men aged 20-40 with sedentary lifestyles who were randomly chosen to participate in either “high dose” or “low dose” 13-week aerobic exercise programs, mainly running and cycling. A further group did no exercise at all. All the men were required to adhere to their normal diets.
Predictably, the men who did no exercise recorded no discernible weight change, but researchers were surprised to find that those who exercised for 30 minutes a day lost an average 3.6kg as compared with an average 2.7kg in those who worked out for 60 minutes or more.
`We found no additional benefit from doubling the exercise dose,’ the report, accepted for publication in The American Journal of Physiology, states. `Therefore, we challenge the basis for the current recommendations regarding exercise for weight management.
`We conclude that a similar meaningful loss of body fat was obtained regardless of exercise dose.”
One explanation for the men who exercised more, but lost less, is that they may have secretly increased their food consumption because they became hungrier from the extra exertion. If that was the case, they did not own up on their diet charts.
`No statistically significant changes were found in energy intake or non-exercise physical activity that could explain the different compensatory responses associated with 30 v 60 minutes of daily aerobic exercise,” said the researchers.
The study said the amount of weight loss from intense exercise was “often disappointing”, and more work was needed to understand their own results.
So what’s your excuse now not to get moving …?