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Criteria for measurement of BMR and RMR

Authoring team

BMR and RMR are standardly measured:

  • ideally, sleeping
  • fasted
  • at normal body temperature
  • in a thermally-stable state: no physiological change in basal metabolic rate due to adaptation to relatively cold or hot external temperature

Additionally, BMR requires measurement in the early hours of the morning when metabolism is minimal. This makes it a less practical index than RMR.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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