Troubleshooting Your Heart Rate Monitor & Other Sensors

Having difficultly acquiring your sensors? Replace sensor battery. Still having trouble? Try these troubleshooting tips.

Why monitor heart rates in your iPhone fitness and health app?

I recently came across a website,, that did a nice job of highlighting three good reasons to track heart rate: safety, effectiveness and incentive. I would suggest one more accuracy. If you want accurate an accurate calculation of calories burned during your workout, it needs to be derived from your heart rate.