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Deciphering the con...
Deciphering the constrained total energy expenditure model in humans by associating accelerometer-measured physical activity from wrist and hip
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- Fernandez-Verdejo, Rodrigo (författare)
- Pontificia Univ Catolica Chile, Chile
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- Alcantara, Juan M. A. (författare)
- Univ Granada, Spain
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- Galgani, Jose E. (författare)
- Pontificia Univ Catolica Chile, Chile; Pontificia Univ Catolica Chile, Chile
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- Acosta, Francisco M. (författare)
- Univ Granada, Spain
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- Migueles, Jairo Hidalgo (författare)
- Linköpings universitet,Avdelningen för samhälle och hälsa,Medicinska fakulteten,Univ Granada, Spain
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- Amaro-Gahete, Francisco J. (författare)
- Univ Granada, Spain; Univ Granada, Spain
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- Labayen, Idoia (författare)
- Univ Publ Navarra, Spain
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- Ortega, Francisco B. (författare)
- Karolinska Institutet
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- Ruiz, Jonatan R. (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2021-06-10
- 2021
- Engelska.
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Ingår i: Scientific Reports. - : Nature Research. - 2045-2322. ; 11:1
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- The 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.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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