Resting metabolic rate and the influence of the pretesting environment

E. M. Berke, A. W. Gardner, M. I. Goran, E. T. Poehlman

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50 Scopus citations


We examined the effect of pretesting environment on measurement of resting metabolic rate (RMR). RMR was measured in 18 older (66.1 ± 1.4 y) individuals after an overnight stay in the Clinical Research Center (ie, inpatient) and after subjects transported themselves to the laboratory (ie, outpatient). Similar measurements were also performed after an 8-wk endurance-training program. RMR was higher (P < 0.01) before exercise training in subjects who transported themselves to the laboratory (ie, outpatients; 4.9 ± 0.13 kJ/min) than in inpatients (4.6 ± 0.13 kJ/min) and after exercise training in outpatients (5.4 ± 0.08 kJ/min) vs inpatients (5.0 ± 0.13 kJ/min). Training increased RMR under both inpatient (10%; P < 0.01) and outpatient (11%; P < 0.01) conditions. We conclude that RMR is higher when measured under outpatient conditions in older volunteers. Therefore, when daily energy requirements based on the assessment of RMR are being estimated, the pretesting environment should be considered. However, the exercise-training-induced increase in RMR can be detected by using either an inpatient or an outpatient protocol.

Original languageEnglish (US)
Pages (from-to)626-629
Number of pages4
JournalAmerican Journal of Clinical Nutrition
Issue number3
StatePublished - 1992

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics


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