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<p>Regular exercise during childhood is crucial for optimal growth. However, evidence on its long-term effects on physical fitness, inflammation and metabolic status remains limited for this period of life. To assess the longitudinal effects of a three-year basketball program on physical fitness, body composition, metabolic and inflammatory markers in prepubertal boys. Seventeen boys (8–13 years) participated in an after-school basketball program with 96 weeks of training across three academic years. At baseline and follow-up, assessments included anthropometry, body composition measured by bioimpedance, physical fitness using cardiorespiratory and strength tests, and fasting blood biomarkers. This study was registered at ClinicalTrials.gov (identifier: NCT07007624; 06/06/2025). At the end of the program, body fat remained stable, while fat free mass increased in upper and lower limbs (e.g., + 1.5&#xa0;kg in lower limbs, <i>p</i> &lt; 0.05). Physical fitness improved in endurance (Course Navette: +4.2&#xa0;min, <i>p</i> &lt; 0.01) and strength tests. Inflammatory markers showed elevations in PAI-1 (+ 86%, <i>p</i> &lt; 0.05), MCP-1 (+ 23%, <i>p</i> &lt; 0.01), IL-8 (+ 400%, <i>p</i> &lt; 0.001), and TNF-α (+ 98%, <i>p</i> &lt; 0.05), possibly reflecting increased training intensity. Long-term basketball training improved physical fitness and lean mass in prepubertal boys. However, the small sample size and absence of a control group warrant cautious interpretation and underscore the need for further research.</p>

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Changes in body composition and low-grade inflammation status in boys during a basketball afterschool program for three years

  • 期刊论文

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  • 发表日期：

    2025年11月6日

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  • Cristina Castro-Collado,
  • Jose Manuel Jurado-Castro,
  • Mercedes Gil-Campos,
  • María Cruz Rico,
  • Belén Pastor-Villaescusa,
  • Gracia María Quintana-Navarro,
  • Francisco Jesús Llorente-Cantarero

摘要

Regular exercise during childhood is crucial for optimal growth. However, evidence on its long-term effects on physical fitness, inflammation and metabolic status remains limited for this period of life. To assess the longitudinal effects of a three-year basketball program on physical fitness, body composition, metabolic and inflammatory markers in prepubertal boys. Seventeen boys (8–13 years) participated in an after-school basketball program with 96 weeks of training across three academic years. At baseline and follow-up, assessments included anthropometry, body composition measured by bioimpedance, physical fitness using cardiorespiratory and strength tests, and fasting blood biomarkers. This study was registered at ClinicalTrials.gov (identifier: NCT07007624; 06/06/2025). At the end of the program, body fat remained stable, while fat free mass increased in upper and lower limbs (e.g., + 1.5 kg in lower limbs, p < 0.05). Physical fitness improved in endurance (Course Navette: +4.2 min, p < 0.01) and strength tests. Inflammatory markers showed elevations in PAI-1 (+ 86%, p < 0.05), MCP-1 (+ 23%, p < 0.01), IL-8 (+ 400%, p < 0.001), and TNF-α (+ 98%, p < 0.05), possibly reflecting increased training intensity. Long-term basketball training improved physical fitness and lean mass in prepubertal boys. However, the small sample size and absence of a control group warrant cautious interpretation and underscore the need for further research.