HRM calorie counts - how do you know if they're right?
I bought a Polar F11 2 weeks ago - set it with all of my information - and have been wearing it for the last 2 weeks of workouts. It records my swim calories at about 400 for 20 minutes, my run calories at about 1200 for a 5k and my usual interval cardio/weights/plyo workouts that are generally about 80 minutes, at about…
