Zone 3 (75-85% of max heart rate): At this moderate to high intensity, your body burns a mix of fat, carbohydrates and protein for fuel. Talking requires effort, as your breathing is heavier.

A fat burning heart rate chart doesn’t exist, and Dr. Friedman notes it’s not necessary to use a heart rate zone chart in order to burn calories during exercise.

Understanding our body’s target heart rate zones and how they change as we age is crucial for getting the most out of our workouts. If your goal is to burn fat, for example, you’ll want to ...

Medical experts recommend training in a heart rate zone to best serve your goals. Garmin states these zones vary between 60% to 110% of your threshold heart rate.

There are various models of heart rate training zones (all with their own labels), but most non-elite runners follow five heart rate zones established by heart rate monitor company Polar, based on ...

Krupa recommends you tailor your heart rate training to the needs of your activity, as different zones have different energy demands. “You can’t only train zone two if 90 percent of your sport ...

Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for your workouts. It’s one of five heart rate training zones, each ...

Related Stories How to Find—And Maintain—Your Personal Zone 2 Pace For decades, athletes have relied on the “220 minus your age” formula to get a quick estimate of their heart rate zones.

Heart rate zone 1, or just “Zone 1” usually appears as a blue or similarly cool-toned color on fitness trackers, and is generally around 50-60% of your maximum heart rate according to Polar.

Understanding our body's target heart rate zones and how they change as we age is crucial for getting the most out of our workouts. If your goal is to burn fat, for example, you'll want to stay in ...