Effects of Supervised Strength Training on Physical Fitness in Children and Adolescents: A Systematic Review and Meta-Analysis.

J Funct Morphol Kinesiol · 2025 · PMC12101325 · PMID 40407446

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highly significantno p-value reported

Finally, the test for the overall effect shows a Z value = 4.76 with p < 0.00001, indicating a highly significant improvement in VO 2 max of the experimental group over the control.

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may not be significantno p-value reported

The mean difference for this study is 1.50, with a 95% confidence interval (CI) in the range [−0.71, 3.71], indicating that, although there is an improvement in VO 2 max, the interval includes negative values, suggesting that the difference may not be significant in this particular case.

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