Walking for health in pregnancy: Assessment by indirect calorimetry and accelerometry

Jennifer M. DiNallo, Nancy I. Williams, Danielle Symons Downs, Guy C. Le Masurier

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


The purpose of this study was to examine RT3 accelerometer activity counts and activity energy expenditure of 36 pregnant women at 20 and 32 weeks' gestation during treadmill walking and free-living conditions. During treadmill walking, oxygen consumption was collected, and activity energy expenditure was estimated for a 30-min walk at a self-selected walking pace. The number of min it would take a pregnant woman to meet exercise recommendations (i.e., kcal/week) were calculated. Preliminary activity count cut points at a self-selected walking pace were then estimated and applied in interpreting free-living data. For the treadmill walking condition, the self-selected walking pace significantly decreased from 20 to 32 weeks' gestation. Additionally, few women (< 12% each day) met physical activity guidelines in the free-living condition. Encouraging pregnant women to walk for 30–40 min per day at a self-selected walking pace may be an appropriate public health recommendation.

Original languageEnglish (US)
Pages (from-to)28-35
Number of pages8
JournalResearch Quarterly for Exercise and Sport
Issue number1
StatePublished - Mar 2008

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Nephrology


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