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A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
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Accelerometer-based measures in physical activity surveillance: current practices and issues.

Željko Pedišić1, Adrian Bauman2

  • 1Prevention Research Collaboration, Sydney School of Public Health, The University of Sydney, Sydney, Australia Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia.

British Journal of Sports Medicine
|November 6, 2014
PubMed
Summary
This summary is machine-generated.

Accelerometers show promise for physical activity (PA) surveillance, but current limitations in generalizability, validity, and standardization make widespread adoption for large-scale population studies premature.

Keywords:
EpidemiologyExerciseMethodPhysical activity

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Area of Science:

  • Public Health
  • Epidemiology
  • Biomedical Engineering

Background:

  • Self-reports are standard for physical activity (PA) measurement in non-communicable disease (NCD) surveillance.
  • Accelerometers are increasingly integrated into national NCD surveillance systems for PA assessment.

Purpose of the Study:

  • To evaluate the suitability and role of accelerometers for population-level PA surveillance.
  • To critically appraise accelerometer use within NCD surveillance frameworks.

Main Methods:

  • Comprehensive literature review focusing on generalizability, reliability, validity, and comprehensiveness of accelerometer data.
  • Assessment of accelerometer use in NCD surveillance regarding simplicity, cost-effectiveness, adaptability, and sustainability.

Main Results:

  • Accelerometer data may lack generalizability to target populations and exhibit validity issues.
  • Prevalence estimates are sensitive to chosen intensity cut-off points; standardization challenges impact long-term data comparability.
  • Lack of standardized collection and processing methods hinders between-study and international comparisons.

Conclusions:

  • Accelerometers have limitations in generalizability, validity, comprehensiveness, simplicity, cost-effectiveness, adaptability, and sustainability for PA surveillance.
  • Standardization issues compromise reliability for long-term trend analysis and international comparisons.
  • Widespread adoption of accelerometers for large-scale PA surveillance may be premature given current evidence.