June 23, 2015 — Despite Google’s hopes, however, there have been many critics of using the wrist as a way to track heart rate, with devices like Apple’s new Apple Watch using infrared light to measure changes in blood flow. “But bones, tendons, muscles, and vascular structure of the wrist can interfere with the ability to accurately measure heart rate and other biometrics during exercise,” said Dr. Steven LeBoeuf of Valencell.Read More
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