An exercise program that burns a lot of calories reduced cardiac risk factors better than standard cardiac rehabilitation in overweight coronary patients, researchers report in Circulation: Journal of the American Heart Association.

“The higher-caloric exercise, consisting of almost daily long-distance walking, resulted in double the weight loss and a greater fat mass loss than standard cardiac rehabilitation exercise,” said Philip A. Ades, M.D., lead author of the study and professor of medicine and director of cardiac rehabilitation and prevention at the University of Vermont College of Medicine in Burlington. “And probably most importantly, these patients improved their insulin sensitivity to a greater degree.”

The high-calorie expenditure regime was not more intensive than rehabilitation, but longer duration at lower intensity on more days.

In a first-of-its-kind study, researchers randomized 74 overweight cardiac rehabilitation patients (average age 64, 20 percent women) to either a high-caloric expenditure exercise regimen intended to burn 3,000 to 3,500 calories a week or a standard rehab therapy burning 700 to 800 calories weekly.
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