The Truth About The "FAT-BURNING ZONE"

19 September, 2012

Do you exercise because you want to lose weight? If so, you probably know that cardio exercise is a key factor in helping you lose weight. Many people are warned to stay within their 'fat burning' zone for the best results. But does it really exist? Is it the most effective way to help you lose weight? Studies show that training at higher intensities for shorter durations can burn more fat than low-intensity training for prolonged periods. Excess Post-exercise Oxygen Consumption (EPOC) is when the body's metabolism elevates after exercise. Short duration, high-intensity exercise had a greater effect on EPOC than that of long-duration, low intensity exercise. This is terrific news to those who are not fond of long bouts of cardio training. It may be more realistic (and enjoyable) for your to "kick it up a notch" and pack the benefits of a 45-minute cardio session into 10 or 15 minutes. But remember that cardio falls under the same adaptation guidelines as other forms of training. To keep getting results, change up the duration, intensity and types of cardio.

SOURCES: 1. Romijn JA, Coyle EF, Sidossiss LS, Gastadelli A, Horowitz JF, Endert E, Wolfe RR. Regulation of endogenous fat and carbohydrate metabolism in relation to exercise intensity and duration. Am J Physiol Sep 1993:265(3pt1):E380-91.

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