Step Detection Accuracy and Energy Expenditure Estimation at Different Speeds by Three Accelerometers in a Controlled Environment in Overweight/Obese Subjects

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http://hdl.handle.net/10138/346397

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Stenbäck , V , Leppäluoto , J , Juustila , R , Niiranen , L , Gagnon , D , Tulppo , M & Herzig , K-H 2022 , ' Step Detection Accuracy and Energy Expenditure Estimation at Different Speeds by Three Accelerometers in a Controlled Environment in Overweight/Obese Subjects ' , Journal of clinical medicine , vol. 11 , no. 12 , 3267 . https://doi.org/10.3390/jcm11123267

Title: Step Detection Accuracy and Energy Expenditure Estimation at Different Speeds by Three Accelerometers in a Controlled Environment in Overweight/Obese Subjects
Author: Stenbäck, Ville; Leppäluoto, Juhani; Juustila, Rosanna; Niiranen, Laura; Gagnon, Dominique; Tulppo, Mikko; Herzig, Karl-Heinz
Contributor organization: Department of Diagnostics and Therapeutics
University of Helsinki
Clinicum
Date: 2022-06
Language: eng
Number of pages: 10
Belongs to series: Journal of clinical medicine
ISSN: 2077-0383
DOI: https://doi.org/10.3390/jcm11123267
URI: http://hdl.handle.net/10138/346397
Abstract: Our aim was to compare three research-grade accelerometers for their accuracy in step detection and energy expenditure (EE) estimation in a laboratory setting, at different speeds, especially in overweight/obese participants. Forty-eight overweight/obese subjects participated. Participants performed an exercise routine on a treadmill with six different speeds (1.5, 3, 4.5, 6, 7.5, and 9 km/h) for 4 min each. The exercise was recorded on video and subjects wore three accelerometers during the exercise: Sartorio Xelometer (SX, hip), activPAL (AP, thigh), and ActiGraph GT3X (AG, hip), and energy expenditure (EE) was estimated using indirect calorimetry for comparisons. For step detection, speed-wise mean absolute percentage errors for the SX ranged between 9.73-2.26, 6.39-0.95 for the AP, and 88.69-2.63 for the AG. The activPALs step detection was the most accurate. For EE estimation, the ranges were 21.41-15.15 for the SX, 57.38-12.36 for the AP, and 59.45-28.92 for the AG. All EE estimation errors were due to underestimation. All three devices were accurate in detecting steps when speed exceeded 4 km/h and inaccurate in EE estimation regardless of speed. Our results will guide users to recognize the differences, weaknesses, and strengths of the accelerometer devices and their algorithms.
Subject: accelerometry
step detection
physical activity
energy expenditure
overweight
PHYSICAL-ACTIVITY
OBESITY
HEALTH
GT3X+
3121 General medicine, internal medicine and other clinical medicine
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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