Heart Rate Zones | Everything You Need To Know About How Heart Rate Zones Work (And How To Become An Exercise Physiology Ninja). Read more: http://www.bengreenfieldfitness.com/2013/03/how-heart-rate-zones-work/#ixzz2vtYSEPEu
How to calculate your maximum heart rate to know how hard you’re working during your cardioPS: the “fat burning zone” (about 60% to 70% of your maximum heart rate) doesn’t mean you’re burning more fat. It just means the body burns a higher percentage of calories from fat when in this zone. However, at higher intensities (70-90% of your maximum heart rate), you burn a greater number of overall calories.