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Re-examination of a...
Re-examination of accelerometer data processing and calibration for the assessment of physical activity intensity.
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- Arvidsson, Daniel, 1974 (författare)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Institutionen för kost- och idrottsvetenskap,Centrum för hälsa och prestationsutveckling,Department of Food and Nutrition, and Sport Science,Center for Health and Performance
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- Fridolfsson, Jonatan, 1992 (författare)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Institutionen för kost- och idrottsvetenskap,Centrum för hälsa och prestationsutveckling,Department of Food and Nutrition, and Sport Science,Center for Health and Performance
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- Börjesson, Mats, 1965 (författare)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Sahlgrenska University Hospital,Institutionen för neurovetenskap och fysiologi,Centrum för hälsa och prestationsutveckling,Institute of Neuroscience and Physiology,Center for Health and Performance
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- Andersen, Lars Bo (författare)
- Western Norway University of Applied Sciences, Campus Sogndal, Norway.,Norwegian School of Sport Sciences
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- Ekblom, Örjan, 1971- (författare)
- Swedish School of Sport and Health Sciences,Gymnastik- och idrottshögskolan,Åstrandlaboratoriet
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- Dencker, Magnus (författare)
- Lund University,Lunds universitet,Klinisk fysiologi och nuklearmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Physiology and Nuclear Medicine, Malmö,Lund University Research Groups
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- Brønd, Jan Christian (författare)
- University of Southern Denmark, Odense, Denmark
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(creator_code:org_t)
- 2019-06-02
- 2019
- Engelska.
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Ingår i: Scandinavian Journal of Medicine and Science in Sports. - : John Wiley & Sons. - 0905-7188 .- 1600-0838. ; 29:10, s. 1442-1452
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- This review reexamines use of accelerometer and oxygen uptake data for assessment of activity intensity. Accelerometers capture mechanical work, while oxygen uptake captures the energy cost of this work. Frequency filtering needs to be considered when processing acceleration data. A too restrictive filter attenuates the acceleration signal for walking and, to a higher degree, for running. This measurement error affects shorter (children) more than taller (adults) individuals due to their higher movement frequency. Less restrictive filtering includes more movement related signals and provide measures that better capture mechanical work, but may include more noise. An optimal filter cut-point is determined where most relevant acceleration signals are included. Further, accelerometer placement affects what part of mechanical work being captured. While the waist placement captures total mechanical work and therefore contributes to measures of activity intensity equivalent by age and stature, the thigh and wrist placements capture more internal work and do not provide equivalent measures. Value calibration of accelerometer measures is usually performed using measured oxygen uptake with the metabolic equivalent of task (MET) as reference measure of activity intensity. However, the use of MET is not stringent and is not a measure of activity intensity equivalent by age and stature. A candidate measure is the mass-specific net oxygen uptake, VO2 net (VO2 tot - VO2 stand). To improve measurement of physical activity intensity using accelerometers, research developments are suggested concerning processing of accelerometer data, use of energy expenditure as reference for activity intensity, and calibration procedure with absolute versus relative intensity. This article is protected by copyright. All rights reserved.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk laboratorie- och mätteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Laboratory and Measurements Technologies (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Sjukgymnastik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Physiotherapy (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Acceleration
- counts
- energy expenditure
- frequency filtering
- mechanical work
- Medicin/Teknik
- Medicine/Technology
- acceleration
- counts
- energy expenditure
- frequency filtering
- mechanical work
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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