Validation of five minimally obstructive methods to estimate physical activity energy expenditure in young adults in semi-standardized settings

Sensors
Mikkel B SchnellerAndreas Holtermann

Abstract

We compared the accuracy of five objective methods, including two newly developed methods combining accelerometry and activity type recognition (Acti4), against indirect calorimetry, to estimate total energy expenditure (EE) of different activities in semi-standardized settings. Fourteen participants performed a standardized and semi-standardized protocol including seven daily life activity types, while having their EE measured by indirect calorimetry. Simultaneously, physical activity was quantified by an ActivPAL3, two ActiGraph GT3X+'s and an Actiheart. EE was estimated by the standard ActivPAL3 software (ActivPAL), ActiGraph GT3X+ (ActiGraph) and Actiheart (Actiheart), and by a combination of activity type recognition via Acti4 software and activity counts per minute (CPM) of either a hip- or thigh-worn ActiGraph GT3X+ (AGhip + Acti4 and AGthigh + Acti4). At group level, estimated physical activities EE by Actiheart (MSE = 2.05) and AGthigh + Acti4 (MSE = 0.25) were not significantly different from measured EE by indirect calorimetry, while significantly underestimated by ActiGraph, ActivPAL and AGhip + Acti4. AGthigh + Acti4 and Actiheart explained 77% and 45%, of the individual variations in measured physical activity EE ...Continue Reading

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Citations

May 26, 2018·British Journal of Sports Medicine·Andreas Holtermann, Emmanuel Stamatakis
Jun 10, 2020·Scandinavian Journal of Medicine & Science in Sports·Charlotte Lund RasmussenAndreas Holtermann
Jan 10, 2017·Frontiers in Nutrition·Nathan CaronGeorges Dalleau
Dec 11, 2017·European Journal of Applied Physiology·Nathan CaronGeorges Dalleau

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Software Mentioned

ActiLife
Actiheart4
Actiheart
ActivPAL 3tm
ActiGraph
AGthigh
AGhip
Acti4
ActiLife6
COSMED

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