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 NOVEMBER 28, 2005 How Much Exercise Does It Take To Lose Extra Weight? About 5 hours of weekly exercise may bring the biggest weight loss for overweight adults who are also watching their intake of fat and calories, according to John Jakicic, PhD, head of the University of Pittsburgh Health and Physical Activity Department. Jakicic and colleagues studied nearly 200 overweight women for two years. They were told to consume 1,200 to 1,500 calories per day. Fat was to account for 20% to 30% of those calories. Those who lost the most weight reported logging 270 to 300 minutes of exercise per week, which is 4.5 to 5 hours weekly. Of the 172 women (90%) who completed the study, here are the average percentages of body weight lost by each group: moderate amount of moderate-intensity exercise: 4.9%; moderate amount of vigorous exercise: 3.7%; a lot of moderate-intensity exercise: 6.5%; and a lot of vigorous exercise: 7.2%. The results were presented recently at the North American Association for the Study of Obesity's annual scientific meeting in Vancouver, Canada. |
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