Who would have thought getting in shape could be so risky.
Fitness apps help you track your runs, calories burned, and maybe even your heart rate. If you happen to be using a Polar device and its associated app, however, that information —...
Who would have thought getting in shape could be so risky.
Fitness apps help you track your runs, calories burned, and maybe even your heart rate. If you happen to be using a Polar device and its associated app, however, that information —...