Influence of activity monitor location and bout duration on free-living physical activity

Daniel P. Heil*, Gary G. Bennett, Kathleen S. Bond, Michael D. Webster, Kathleen Y. Wolin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The purpose of this study was to evaluate the influence of the location (ankle, hip, wrist) where an activity monitor (AM) is worn and of the minimum bout duration (BD) on physical activity (PA) variables during free-living monitoring. Study 1 participants wore AMs at three locations for 1 day while wearing the Intelligent Device for Energy Expenditure and Activity (IDEEA) system. Study 2 participants wore AMs at the same locations for 3 days. Variables included time (TMV, min/day) and AEE (AEEMV, kcal/day) for each monitor location and BD above a moderate-vigorous (MV) intensity. TMV and AEEMV in Study 1 were similar across AMs to IDEEA values at BD = 10 min, as was TMV in Study 2. This suggests that ankle-, wrist- and hip-worn AMs can provide similar PA outcome values during free-living monitoring at 10-min BDs.

Original languageEnglish (US)
Pages (from-to)424-433
Number of pages10
JournalResearch Quarterly for Exercise and Sport
Volume80
Issue number3
DOIs
StatePublished - Sep 2009

Keywords

  • Accelerometry
  • Energy expenditure
  • Motion sensor
  • Objective monitoring

ASJC Scopus subject areas

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

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