Fitness Trackers Are Terrible At Measuring Calories Burned, Study SaysResearchers say that while the devices were very accurate at measuring a person's heart rate while working out, the models Stanford tested were off by as much as a shocking 93 percent when measuring calories burned.
Weightlifters Burn More Calories During Balance Of The DayIt is a fascinating concept but people who lift weights to stay in condition actually burn calories when they're just sitting around.
Nike Sport Watch + GPSThe Nike+sport watch with GPS from TomTom not only tracks your movement but also calculates how many calories you’re burning along the way.

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