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Body-composition de...
Body-composition development during early childhood and energy expenditure in response to physical activity in 1.5-y-old children
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- Eriksson, Britt, 1967- (författare)
- Linköpings universitet,Näringslära,Hälsouniversitetet
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- Henriksson, Hanna (författare)
- Linköpings universitet,Näringslära,Hälsouniversitetet
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- Löf, Marie (författare)
- Linköpings universitet,Karolinska Institutet,Näringslära,Hälsouniversitetet
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- Hannestad, Ulf (författare)
- Linköpings universitet,Klinisk kemi,Hälsouniversitetet
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- Forsum, Elisabet (författare)
- Linköpings universitet,Näringslära,Hälsouniversitetet
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(creator_code:org_t)
- Bethesda, USA : American Society for Nutrition, 2012
- 2012
- Engelska.
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Ingår i: American Journal of Clinical Nutrition. - Bethesda, USA : American Society for Nutrition. - 0002-9165 .- 1938-3207. ; 96:3, s. 567-573
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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http://kipublication...
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https://urn.kb.se/re...
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Abstract
Ämnesord
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- Background: The prevalence of childhood overweight and obesity has increased recently, but the mechanisms involved are incompletely known. Previous research has shown a correlation between the percentage of total body fat (TBF) and physical activity level (PAL). However, the PAL values used may involve a risk of spurious correlations because they are often based on predicted rather than measured estimates of resting energy metabolism. lObjectives: We studied the development of body composition during early childhood and the relation between the percentage of TBF and PAL on the basis of the measured resting energy metabolism.Design: Body composition was previously measured in 108 children when they were 1 and 12 wk old. When 44 of these children (21 girls and 23 boys) were 1.5 y old, their total energy expenditure and TBF were assessed by using the doubly labeled water method. Resting energy metabolism, which was assessed by using indirect calorimetry, was used to calculate PAL.Results: Significant correlations were shown for TBF (r = 0.32, P = 0.035) and fat-free mass (r = 0.34, P = 0.025) between values (kg) assessed at 12 wk and 1.5 y of age. For TBF (kg) a significant interaction (P = 0.035) indicated a possible sex difference. PAL at 1.5 y was negatively correlated with the percentage of TBF (r = -0.40, P = 0.0076) and the increase in the percentage of TBF between 12 wk and 1.5 y (r = 0.38, P = 0.0105).Conclusions: The results indicate that body fatness and physical activity interact during early childhood and thereby influence obesity risk. Our results are based on a small sample, but nevertheless, they motivate additional studies in boys compared with girls regarding the development of body composition during early life.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)
Nyckelord
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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