Deciphering the constrained total energy expenditure model in humans by associating accelerometer-measured physical activity from wrist and hip

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dc.contributor.authorFernandez-Verdejo, Rodrigo
dc.contributor.authorAlcantara, Juan M. A.
dc.contributor.authorGalgani, Jose E.
dc.contributor.authorAcosta, Francisco M.
dc.contributor.authorMigueles, Jairo H.
dc.contributor.authorAmaro-Gahete, Francisco J.
dc.contributor.authorLabayen, Idoia
dc.contributor.authorOrtega, Francisco B.
dc.contributor.authorRuiz, Jonatan R.
dc.date.accessioned2025-01-20T22:15:28Z
dc.date.available2025-01-20T22:15:28Z
dc.date.issued2021
dc.description.abstractThe constrained total energy expenditure (TEE) model posits that progressive increases in physical activity (PA) lead to increases in TEE; but after certain PA threshold, TEE plateaus. Then, a compensatory reduction in the expenditure of non-essential activities constrains the TEE. We hypothesized that high PA levels as locomotion associate with a compensatory attenuation in arm movements. We included 209 adults (64% females, mean [SD] age 32.1 [15.0] years) and 105 children (40% females, age 10.0 [1.1] years). Subjects wore, simultaneously, one accelerometer in the non-dominant wrist and another in the hip for >= 4 days. We analyzed the association between wrist-measured (arm movements plus locomotion) and hip-measured PA (locomotion). We also analyzed how the capacity to dissociate arm movements from locomotion influences total PA. In adults, the association between wrist-measured and hip-measured PA was better described by a quadratic than a linear model (Quadratic-R-2=0.54 vs. Linear-R-2=0.52; P=0.003). Above the 80th percentile of hip-measured PA, wrist-measured PA plateaued. In children, there was no evidence that a quadratic model fitted the association between wrist-measured and hip-measured PA better than a linear model (R-2=0.58 in both models, P=0.25). In adults and children, those with the highest capacity to dissociate arm movements from locomotion-i.e. higher arm movements for a given locomotion-reached the highest total PA. We conclude that, in adults, elevated locomotion associates with a compensatory reduction in arm movements (probably non-essential fidgeting) that partially explains the constrained TEE model. Subjects with the lowest arm compensation reach the highest total PA.
dc.fuente.origenWOS
dc.identifier.doi10.1038/s41598-021-91750-x
dc.identifier.issn2045-2322
dc.identifier.urihttps://doi.org/10.1038/s41598-021-91750-x
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/94506
dc.identifier.wosidWOS:000663785600052
dc.issue.numero1
dc.language.isoen
dc.revistaScientific reports
dc.rightsacceso restringido
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa03 Salud y bienestar
dc.titleDeciphering the constrained total energy expenditure model in humans by associating accelerometer-measured physical activity from wrist and hip
dc.typeartículo
dc.volumen11
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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