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Objective
To evaluate secular changes in the heights and weights of rural school youth in west‐central Poland across decennial surveys of the same communities spanning 1986 and 2016.
Methods
Heights and weights of school youth 7 to 15 years in 10 rural communities in the vicinity of the city of Poznań were measured in 1986 (1417 boys, 1326 girls), 1996 (979 boys, 947 girls), 2006 (871 boys, 843...
Inter-individual differences in size, maturity status, function, and behavior among youth of the same chronological age (CA) have long been a concern in grouping for sport. Bio-banding is a recent attempt to accommodate maturity-associated variation among youth in sport. The historical basis of the concept of maturity-matching and its relevance to youth sport, and bio-banding as currently applied...
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