Daily physical activity assessment with accelerometers: new insights and validation studies
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TLDR
There was a large variability in accelerometer output and their validity to assess daily physical activity and there is little evidence that adding other physiological measures such as heart rate significantly improves the estimation of energy expenditure.Abstract:
The field of application of accelerometry is diverse and ever expanding. Because by definition all physical activities lead to energy expenditure, the doubly labelled water (DLW) method as gold standard to assess total energy expenditure over longer periods of time is the method of choice to validate accelerometers in their ability to assess daily physical activities. The aim of this paper was to provide a systematic overview of all recent (2007-2011) accelerometer validation studies using DLW as the reference. The PubMed Central database was searched using the following keywords: doubly or double labelled or labeled water in combination with accelerometer, accelerometry, motion sensor, or activity monitor. Limits were set to include articles from 2007 to 2011, as earlier publications were covered in a previous review. In total, 38 articles were identified, of which 25 were selected to contain sufficient new data. Eighteen different accelerometers were validated. There was a large variability in accelerometer output and their validity to assess daily physical activity. Activity type recognition has great potential to improve the assessment of physical activity-related health outcomes. So far, there is little evidence that adding other physiological measures such as heart rate significantly improves the estimation of energy expenditure.read more
Citations
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Evolution of accelerometer methods for physical activity research
TL;DR: A collaborative approach towards analytic methods is proposed to facilitate PA research, which requires a shift away from multiple independent calibration studies and makes the case for a distinction between PA represented by accelerometer-based devices and PA assessed by self-report.
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Multi-sensor fusion in body sensor networks: State-of-the-art and research challenges
TL;DR: This survey discusses clear motivations and advantages of multi-sensor data fusion and particularly focuses on physical activity recognition, aiming at providing a systematic categorization and common comparison framework of the literature, by identifying distinctive properties and parameters affecting data fusion design choices at different levels.
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Age group comparability of raw accelerometer output from wrist- and hip-worn monitors.
TL;DR: Accelerometer outputs from AG and GA seem comparable when attached to the same body location in adults, whereas inconsistent differences are apparent between the two brands and placements in children, hence limiting the comparability between brands in this age group.
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Sedentary Behavior and Cardiovascular Morbidity and Mortality: A Science Advisory From the American Heart Association.
Deborah Rohm Young,Sofiya Alhassan,Sarah M. Camhi,Jane F. Ferguson,Peter T. Katzmarzyk,Cora E. Lewis,Neville Owen,Cynthia K. Perry,Juned Siddique,Celina M. Yong +9 more
TL;DR: This American Heart Association science advisory reviews the current evidence on sedentary behavior in terms of assessment methods, population prevalence, determinants, associations with cardiovascular disease incidence and mortality, potential underlying mechanisms, and interventions.
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Accelerometer-based measures in physical activity surveillance: current practices and issues
Željko Pedišić,Adrian Bauman +1 more
TL;DR: It appears that accelerometers still have limitations regarding generalisability, validity, comprehensiveness, simplicity, affordability, adaptability, between-study comparability and sustainability, and the widespread adoption of accelerometers specifically for large-scale PA surveillance systems may be premature.
References
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Journal ArticleDOI
Association between Short Sleeping Hours and Physical Activity in Boys Playing Ice Hockey
Urs Eiholzer,Udo Meinhardt,Valentin Rousson,Renato Petrò,Michael Schlumpf,Gerhard Fusch,Christoph Fusch,Theo Gasser,Felix Gutzwiller +8 more
TL;DR: In this article, the authors measured total daily energy expenditure (TDEE, doubly-labeled water) and basal metabolic rate (ventilated-hood method) of prepubertal and pubertal boys affiliated with an ice hockey club.
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Between-monitor differences in step counts are related to body size: implications for objective physical activity measurement.
Jeremy Pomeroy,Jeremy Pomeroy,Soren Brage,Jeffrey M. Curtis,Pamela D. Swan,William C. Knowler,Paul W. Franks,Paul W. Franks +7 more
TL;DR: Between-monitor differences in step counts influence the observed relationship between walking and obesity-related traits.
Journal ArticleDOI
Comparing different measures of energy expenditure in human subjects resident in a metabolic facility.
TL;DR: EE is difficult to measure precisely or accurately with current approaches but physical methods are slightly better than subjective accounts, compared with other measures, both physical and based on subjective questionnaires.
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Validity of the ActiReg system and a physical activity interview in assessing total energy expenditure in long-term survivors after total gastrectomy.
Lotta Copland,Bengt Liedman,Elisabet Rothenberg,Lars Ellegård,Bo-Egil Hustvedt,Ingvar Bosaeus +5 more
TL;DR: The ActiReg method appears useful to estimate changes in TEE over time, and both simple methods underestimated total energy expenditure at higher, but not at lower physical activity levels.