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Capacité de deux accéléromètres (SenseWear Armband et l’Actical) à estimer la dépense énergétique totale chez les adultes sains

Authors: Sangaré, Cheick Papa Oumar;

Capacité de deux accéléromètres (SenseWear Armband et l’Actical) à estimer la dépense énergétique totale chez les adultes sains

Abstract

The increase in energy expenditure by the increase of physical activity contributes to maintaining and improving health. The large-scale measurement of total energy expenditure in general and physical activity in particular, is faced with difficulties of data collection, validity and cost. Although literature suggests that many accelerometers are used to estimate total energy expenditure, there are still limits as to the measurement of the intensity of physical activity, which is one of the factors that influences the energy balance and health benefits of physical activity. In addition, few comparisons between the different accelerometers are available. This study aimed to evaluate the ability of two accelerometers (Actical and SensWear Armband) to estimate total energy expenditure compared with the technique of doubly labelled water; to assess the correlation between the two accelerometers in the measurement of resting energy expenditure, compared with the technique of indirect calorimetry and finally to assess energy expenditure linked to physical (walking and cycling) at different intensities, in comparison with the indirect calorimetry technique. The results show a very good correlation between indirect calorimetry and the two accelerometers(r > 0.80, p0.75, p<0.001). To measure the intensity of physical activity, Actical is more accurate than SensWear Armband(r=0.80, p<0.001) at low intensity while the SensWear Armband is better at higher intensity (r=0.80, p<0.001). This study provides evidence that these two accelerometers are suitable alternatives for measuring energy expenditure.

L’augmentation de la dépense énergétique (DE) par une augmentation de l'activité physique (AP) participe au maintien et à l’amélioration de la santé. La mesure à grande échelle de la DE totale (DET) en général et AP en particulier se heurte à des difficultés pratiques de recueil de données, de validité et aux coûts. Bien que dans la littérature de nombreux accéléromètres permettent d’estimer la DET, il y a encore des limites quant à la mesure de l’intensité de l’AP, élément qui influence l’état de la balance énergétique et le bénéfice pour la santé de l’AP. De plus, peu de comparaisons entre les différents accéléromètres sont disponibles. La présente étude avait pour but d’évaluer la capacité de deux accéléromètres (Actical et Sensewear Armband) pour estimer la DET en comparaison avec la technique de l’eau doublement marquée (EDM) ; d’évaluer la concordance entre les accéléromètres dans la mesure de la DE au repos (DER) en comparaison avec la technique de la calorimétrie indirecte (CI) et d’évaluer la DE liée à l’AP en comparaison avec la technique de la CI. Les résultats montrent qu’il y a une très bonne corrélation entre la CI et les accéléromètres dans la mesure de la DER(r > 0.80, p0.75, p<0.001). Pour la mesure de l’intensité de l’AP, l’ACT est plus précis (r=0.80, p<0.001)) que le SWA à la marche, le SWA est meilleur(r=0.80, p<0.001) au vélo. Cette étude permet d’affirmer que le SWA et l’ACT sont des alternatives valables pour mesurer la DE.

Country
Canada
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Keywords

Adultes en santé, Accéléromètres, Energy expenditure, Healthy Adults, Dépense énergétique, Indirect calorimetry, Calorimétrie indirecte, Eau doublement marquée, Doubly labelled water, Accelerometers

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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