Secular trends: a ten-year comparison of the amount and type of physical activity and inactivity of random samples of adolescents in the Czech Republic

<p>Abstract</p> <p>Background</p> <p>An optimal level of physical activity (PA) in adolescence influences the level of PA in adulthood. Although PA declines with age have been demonstrated repeatedly, few studies have been carried out on secular trends. The present stud...

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Bibliographic Details
Main Authors: Frömel Karel, Sigmund Erik, El Ansari Walid, Sigmundová Dagmar
Format: Article
Language:English
Published: BMC 2011-09-01
Series:BMC Public Health
Online Access:http://www.biomedcentral.com/1471-2458/11/731