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Background <p>Trunk musculature is increasingly recognized for its role in athletic performance, yet remains less studied than lower limb muscles. This study aimed to examine the associations between trunk muscle thickness and sprint, agility, and jump performance in competitive male football players.</p> Methods <p>Fifteen male football players (tier 3; mean age: 19.73 ± 1.75 years; training experience: 8.06 ± 1.57 years) participated. Thickness of five trunk muscles was measured at rest using B-mode ultrasound. Sprint (20-m), agility (Pro-Agility), and countermovement jump (CMJ) tests were conducted. To control for type I error across 15 comparisons, Bonferroni correction was applied (α_adj = 0.0033). Significant associations were further examined using linear regression.</p> Results <p>After adjustment for multiple testing, transversus abdominis and internal oblique thickness were significantly associated with 20 m sprint time (r = − 0.739 to − 0.746, p ≤ 0.002). These muscles were also significantly associated with agility performance (r = − 0.704 to − 0.746, p &lt; 0.003). No significant associations were found between trunk muscle thickness and CMJ performance after correction. No bilateral asymmetries were detected (all p &gt; 0.05; d &lt; 0.2).</p> Conclusion <p>Greater thickness of specific deep anterior trunk muscles appears to be associated with sprint and agility performance in competitive football players. These findings suggest that deep trunk morphology may be associated with sprint and change-of-direction performance, although causal relationships cannot be inferred due to the cross-sectional design.</p>

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Trunk muscle thickness and sprint, agility, and jump performance in competitive football players

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月4日

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  • Ozan Ucar,
  • Hilal Er Ulubaba,
  • Ilgın Ali Coskun,
  • Armagan Sahin Kafkas,
  • Fahri Safa Cinarli

摘要

Background

Trunk musculature is increasingly recognized for its role in athletic performance, yet remains less studied than lower limb muscles. This study aimed to examine the associations between trunk muscle thickness and sprint, agility, and jump performance in competitive male football players.

Methods

Fifteen male football players (tier 3; mean age: 19.73 ± 1.75 years; training experience: 8.06 ± 1.57 years) participated. Thickness of five trunk muscles was measured at rest using B-mode ultrasound. Sprint (20-m), agility (Pro-Agility), and countermovement jump (CMJ) tests were conducted. To control for type I error across 15 comparisons, Bonferroni correction was applied (α_adj = 0.0033). Significant associations were further examined using linear regression.

Results

After adjustment for multiple testing, transversus abdominis and internal oblique thickness were significantly associated with 20 m sprint time (r = − 0.739 to − 0.746, p ≤ 0.002). These muscles were also significantly associated with agility performance (r = − 0.704 to − 0.746, p < 0.003). No significant associations were found between trunk muscle thickness and CMJ performance after correction. No bilateral asymmetries were detected (all p > 0.05; d < 0.2).

Conclusion

Greater thickness of specific deep anterior trunk muscles appears to be associated with sprint and agility performance in competitive football players. These findings suggest that deep trunk morphology may be associated with sprint and change-of-direction performance, although causal relationships cannot be inferred due to the cross-sectional design.