Fitness devices can help monitor heart rate but are unreliable at keeping tabs on calories burned, research has revealed.Scientists put seven consumer devices through their paces, comparing their data with gold-standard laboratory measurements.We were pleasantly surprised at how well the heart rate did under many circumstances for most of the devices, they actually did really quite well, said Euan Ashley, professor of cardiovascular medicine at Stanford University and co-author of the research.Fitness trackers may not aid weight loss, study finds Read moreAt the same time we were unpleasantly surprised at how poor the calorie estimates were for the devices they were really all over the map.
Källa: Fitness trackers out of step when measuring calories, research shows | Technology | The Guardian
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