Accuracy of heart rate and energy expenditure estimations of wrist-worn and arm-worn apple watches - Nuss, K. J.; Sanford, J. L.; Archambault, L. J.; Schlemer, E. J.; Blake, S.; Courtney, J. B.; Hulett, N. A.; Li, K. (Journal for the Measurement of Physical Behaviour, 2019)
Keywords: heart rate; heart; frequency; energy metobolism; metabolism; investigation method; method; auxiliary device; technology; USA; technical and natural sciences