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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| Main Authors: | , , , |
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| Format: | Book |
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BMC,
2011-09-01T00:00:00Z.
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