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Physiol Meas. 2019 Aug 2. doi: 10.1088/1361-6579/ab3827. [Epub ahead of print]

Wearable oxygen uptake and energy monitors.

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Waseda University, Shinjuku-ku, 169-8050, JAPAN.


Obesity is a major health issue in both developed and developing countries. The balance between energy intake and exercise is important, and measurements of both energy intake and energy consumption are required. Many studies have attempted to monitor energy intake via wearable technology, but no standard methods have yet been developed for this purpose. This is in marked contrast to the long history of measurement and estimation of energy consumption. Indirect calorimetry is commonly used in the laboratory. Energy consumption associated with daily activity is the most important measure, although a number of alternative measures have also been proposed. This mini-review discusses the current status of energy consumption measurement.


energy expenditure; indirect calorimetry,; oxygen consumption,; physical activity,; portable, handheld and wearable devices


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