Resting metabolic rate

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Resting metabolic rate

Description

Resting respiration or resting metabolic rate (RMR) is measured under standard conditions of an 8–12-h fast and a 12-h abstinence from exercise. In an exemplary study (Haugen 2003 Am J Clin Nutr), "subjects rested quietly in the supine position in an isolated room with the temperature controlled to 21–24° C. RMR was measured for 15–20 min. Criteria for a valid RMR was a minimum of 15 min of steady state, determined as a <10% fluctuation in oxygen consumption and <5% fluctuation in respiratory quotient". The main difference between RMR and BMR (basal metabolic rate) is the position of the subject during measurement. Resting metabolic rate is the largest component of the daily energy budget in most human societies and increases with physical training state (Speakman 2003 Proc Nutr Soc).

Abbreviation: RMR

Reference: Haugen 2003 Am J Clin Nutr, Speakman 2003 Proc Nutr Soc


MitoPedia concepts: Respiratory state, Recommended 


MitoPedia topics: EAGLE 

Contributed by Gnaiger E 2012-06-30.

Resting and sleeping metabolic rate, RMR and SMR

Further references