Recovery to Resting Metabolic State after Walking

David C. Frankenfield, Abigail Coleman

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Metabolic rate is usually measured in a resting state. To achieve this, a period of up to 30 minutes is given to recover from walking prior to the test. A work group from the American Dietetic Association recommends that 10 to 20 minutes is sufficient to achieve rest, but supporting data are limited. The purpose of this prospective observational study then was to determine how much time is needed for adults to recover to rest after walking 300 meters. Each participant's metabolic rate was measured with indirect calorimetry for 30 minutes after a 30-minute rest. The participant then walked 300 meters on a measured course, and metabolic rate was measured again for 30 minutes. Recovery to rest was considered to have occurred when the measured metabolic rate returned to a level of less than 6% above the resting measurement. Forty healthy ambulatory adults completed this study. Analysis of variance indicated that after a 300-meter walk, resting level of metabolic rate was achieved by the 10th minute of rest. However, it took 20 minutes for 95% of all participants to meet the 6% threshold (the remaining 5% who did not reach the threshold were observed to be moving during the measurement). The results of this study indicate that if a person lies still, recovery to rest after walking occurs by 20 minutes, validating the recommendation made by the expert panel of the American Dietetic Association's work group on indirect calorimetry. Rest periods of 30 minutes are not required, but the person should be observed for movement.

Original languageEnglish (US)
Pages (from-to)1914-1916
Number of pages3
JournalJournal of the American Dietetic Association
Volume109
Issue number11
DOIs
StatePublished - Nov 1 2009

All Science Journal Classification (ASJC) codes

  • Food Science
  • Nutrition and Dietetics

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