Are fitness trackers accurate?

Fitness trackers can inspire people to move, eking activity out of otherwise sedentary days. Data junkies, in particular, love to log activity and challenge themselves to reach predetermined activity goals.

But are trackers accurate?

Maybe, according to researchers. A study published in indicates not all trackers are equal. Scientists say hip-based monitors vastly under-estimate physical activity, but footwear-based devices are fairly accurate.

The tracking technology is still being developed, and it will continue to improve. In the meantime, it's best to strap a tracker onto your foot.

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