Research: Wearables, including Apple Watch, are poor at tracking calories

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In a paper published in January this year, researchers try to evaluate the usefulness of wrist-worn smart devices for tracking energy expenditure and heart rate. The Apple Watch Series 6, Polar Vantage V and the Fitbit Sense were used by 30 healthy male and female participants engaging in weight training, cycling, running walking and even sitting. As reference devices, the team used the Polar H10 chest strap and the MetaMax 3B. Now, we won't bore you with the details of the study or the methods used as they seem solid enough and instead, we will talk about the findings. The guys at...

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