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Brief Periods Of Hard Exercise, Alternating With Rest, Burn Significant Amounts Of Calories

October 10, 2012: 12:00 AM EST
People who hate to exercise for long periods of time should be inspired by new research from Colorado scientists. In the study, five healthy men between 25 and 31 burned as many as 200 extra calories by vigorously exercising in five 30-second intervals, each followed by four minutes of rest. Analyzing results from a room calorimeter system, the researchers found that the volunteers burned an average of an extra 200 calories, despite spending just 2.5 minutes engaged in hard exercise. The researchers acknowledged that they did not know whether the routine would lead to weight loss. But they did suggest that intense, but brief, bursts of exercise could aid in weight maintenance.
Kyle Sevits et al., "A Single Session of Sprint Interval Training Increases Total Daily Energy Expenditure", News release, presentation at the Integrative Biology of Exercise VI meeting, October 10, 2012, © American Physiological Society
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