MYTH 1: You should perform cardio in your “fat burning zone.”

TRUTH: Step into any gym and you’ll hear personal trainers preaching that the best way to lose weight is by exercising in your “fat burning zone.” While this might sound good in theory, the “fat burning zone” is actually based on faulty interpretation of research showing activities performed at a low intensity (60 to 80 percent of max heart rate) burn a greater percentage of fat calories than higher intensity activities.

Fact is burning a greater percentage of fat doesn’t equate to burning more total fat calories. High-intensity exercise burns more fat calories on an absolute basis than lower intensity activities, making it the preferred choice for those looking to optimize fat loss.

One of the best fat-burning forms of cardio is interval training, where you intersperse periods of high-intensity exercise with periods of low-intensity exercise. This not only maximizes fat burning during the activity, but also increases a phenomenon called excess post-exercise oxygen consumption (EPOC) — the amount of calories burned once the activity is finished — which helps keep your metabolism elevated long after you’ve stopped working out.

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