What Is Considered Strenuous Exercise?

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Strenuous exercise is scientifically defined as any activity that expends 7 metabolic equivalents (METS) per minute or more, according to the 2008 Physical Activity Guidelines for Adults issued by the Department of Health and Human Services. In relative terms, this is the equivalent of an energy expenditure of 7 on a scale of 1 to 10, with one representing the energy expended while sitting quietly and 10 representing maximum effort.

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