metabolic equivalent of task

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metabolic equivalent of task (MET)

a unit of measurement of heat production by the body. One MET is equal to 50 kcal per hour per square meter of body surface of a resting individual.
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The researchers converted the time spent on each activity into a measure of both duration and intensity by calculating each activity's MET--that is, Metabolic Equivalent of Task, which measures the intensity of aerobic exercise.