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- Title
Physically Active Lifestyle Does Not Decrease the Risk of Fattening.
- Authors
Westerterp, Klaas R.; Plasqui, Guy
- Abstract
Background: Increasing age is associated with declining physical activity and a gain in fat mass. The objective was to observe the consequence of the age-associated reduction in physical activity for the maintenance of energy balance as reflected in the fat store of the body. Methodology/Principal Findings: Young adults were observed over an average time interval of more than 10 years. Physical activity was measured over two-week periods with doubly labeled water and doubly labeled water validated triaxial accelerometers, and body fat gain was measured with isotope dilution. There was a significant association between the change in physical activity and the change in body fat, where a high initial activity level was predictive for a higher fat gain. Conclusion/Significance: The change from a physically active to a more sedentary routine does not induce an equivalent reduction of energy intake and requires cognitive restriction to maintain energy balance.
- Subjects
AGE factors in disease; PHYSICAL activity; AGE &; sports; HEALTH behavior; PHYSICAL fitness; PHYSICALLY active people; BIOENERGETICS; ENERGY metabolism; ACCELEROMETERS; SPEED-indicators
- Publication
PLoS ONE, 2009, Vol 4, Issue 3, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0004745