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You are here: Home / Cardio / New York Times Article on Interval Training Cardio

josh20150602 / May 4, 2007

New York Times Article on Interval Training Cardio

http://www.nytimes.com/2007/05/03/fashion/03Fitness.html?em&ex=1178424000&en=a4b09d745ebe6f1a&ei=5087%0A


Some of article's highlights:

This alternating fast-slow technique, called interval training, is hardly new. For decades, serious athletes have used it to improve performance.

But new evidence suggests that a workout with steep peaks and valleys can dramatically improve cardiovascular fitness and raise the body’s potential to burn fat.

Doing bursts of hard exercise not only improves cardiovascular fitness but also the body’s ability to burn fat, even during low- or moderate-intensity workouts, according to a study published this month, also in the Journal of Applied Physiology. Eight women in their early 20s cycled for 10 sets of four minutes of hard riding, followed by two minutes of rest. Over two weeks, they completed seven interval workouts.

After interval training, the amount of fat burned in an hour of continuous moderate cycling increased by 36 percent, said Jason L. Talanian, the lead author of the study and an exercise scientist at the University of Guelph in Ontario. Cardiovascular fitness — the ability of the heart and lungs to supply oxygen to working muscles — improved by 13 percent.

It didn’t matter how fit the subjects were before. Borderline sedentary subjects and the college athletes had similar increases in fitness and fat burning. “Even when interval training was added on top of other exercise they were doing, they still saw a significant improvement,” Mr. Talanian said.

Interval training does amount to hard work, but  the sessions can be short.

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