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Validation of accelerometer placement to capture energy expenditure using doubly labeled water.

Ryan J DoughertyFangyu LiuLacey EtzkornAmal Asiri WanigatungaPeter J WalterNicolas D KnuthJennifer A SchrackLuigi Ferrucci
Published in: Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme (2022)
This study compared accelerometer-measured physical activity by body placement to daily total energy expenditure (TEE) and activity energy expenditure (AEE) measured using doubly labeled water (DLW). Forty-nine adult participants wore accelerometers placed on the nondominant wrist, dominant wrist, and chest while also undergoing DLW assessments. In adjusted models, wrist-measured physical activity ( p  < 0.05), but not chest-measured physical activity ( p  > 0.05), was associated with TEE and AEE and explained a significant amount of variance that was not explained by age, sex, height, or body composition ( R 2 change = 0.04-0.08; all p  < 0.05). Accelerometer placement location is an important consideration when using accelerometry to provide information about energy expenditure.
Keyphrases
  • physical activity
  • body composition
  • body mass index
  • ultrasound guided
  • resistance training
  • bone mineral density
  • sleep quality
  • pet imaging
  • healthcare
  • computed tomography
  • childhood cancer