Trends in Physical Activity and Motor Development in Young People-Decline or Improvement? A Review.

From the literature review emerged clearly in all the longitudinal surveys a negative trend of body mass index (BMI), which was increasing in all the countries analysed, and cardiorespiratory fitness, which, in close relation to the increase in overweight levels, was in decline.

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In general, there was a positive trend in performance, despite a slight increase in BMI levels, reflecting a positive influence of lifestyle and environmental changes over the past 20 years [ 25 ].

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