Can I rely on my HRM?
Hi all, I've been using a Polar FT4 heart rate monitor (with chest strap) to calculate my daily gym burns. It gives a very different figure to MFP - much lower. The burns are still relatively high though - 720 cals used today for 90 total minutes of elliptical/stationary bike. I'm 157lbs, 48, female and 5 ft 2. I was…