For serious athletes and people who want to train using target heart rate zones, a heart rate monitor's accuracy makes a huge difference. (tomsguide.com)
This zone is the magical target heart rate range that you're supposed to exercise in to burn more fat. (coachcalorie.com)
I'll get to the specifics of determining how your readers can determine their appropriate exercise target heart rate in a moment. (personalfitnessadvantage.com)