Secular trends in physical fitness of rural Chinese children and adolescents aged 7-18 years from 1985 to 2019.

Sci Rep · 2023 · PMC10015040 · PMID 36918649

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a positive trendno p-value reported

The flexibility of boys worsened and improved in girls in Hong Kong from 1998 to 2015 53 which was similar to our findings A 30-year negative trend was observed in Africa 37 , but a positive trend was observed in Japan in the previous decade 36 .

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