Can Two-Minute Sprints Burn as Many Calories as a 30-Minute Workout?

There’s been no shortage of articles touting the benefits of quick, intense exercise. A new studyin the International Journal Sport Nutrition and Exercise Metabolism just dug a little deeper to compare oxygen consumption — an indication of metabolism speed — between athletes who performed sprint intervals versus longer bouts of endurance exercise.

The Study
The researchers asked eight male students to partake in either 30 minutes of endurance exercise or two-minutes of sprint intervals, three times a week for six weeks. Researchers measured their oxygen consumption (VO2) during and after 24 hours of exercise. Their VOwas 150 percent higher during endurance exercise than sprinting intervals, yet after 24 hours the overall amount of oxygen consumed between athletes was nearly identical.

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