Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers
Background. Functional asymmetries in youth football players represent significant performance limitations and injury risk factors requiring targeted intervention strategies. Elite youth athletes frequently demonstrate bilateral imbalances across multiple neuromuscular domains. Objective. This st...
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2025-08-01
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| Series: | Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación |
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| Online Access: | https://www.revistaretos.org/index.php/retos/article/view/117056 |
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| author | Walid Bouzid Omar Ben Rakaa Aziz Chokri Aziz Eloirdi Abdelmoujoud Elhaboussi Mohamed Barkaoui |
| author_facet | Walid Bouzid Omar Ben Rakaa Aziz Chokri Aziz Eloirdi Abdelmoujoud Elhaboussi Mohamed Barkaoui |
| author_sort | Walid Bouzid |
| collection | DOAJ |
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Background. Functional asymmetries in youth football players represent significant performance limitations and injury risk factors requiring targeted intervention strategies. Elite youth athletes frequently demonstrate bilateral imbalances across multiple neuromuscular domains.
Objective. This study evaluated the effectiveness of an individualized 8-week neuromuscular training program in reducing functional asymmetries among elite youth football players across different age categories (U16, U17, U18). Methods. This 8-week experimental intervention aimed to reduce functional asymmetries in balance, unilateral strength, and jump performance among elite youth footballers. Conducted in addition to their regular weekly schedule (five sessions, 8–10 hours football-specific practice + 2–3 hours strength and conditioning), the program comprised two 30–40 min neuromuscular sessions per week. Each session included four blocks: activation & mobility, unilateral strengthening, plyometrics & single-leg jumps, and balance & postural control. Progression was applied systematically through increased load, instability, movement complexity, and football-specific demands, following the principle of progressive overload. Individualization strategies targeted the weaker limb when interlimb differences exceeded 10%, with adjustments based on RPE, mid-term, and final assessments.
Results. Significant reductions in functional asymmetries were observed across all variables and age groups. Y-Balance Test asymmetries decreased by 46-60%, Single Leg Hop Test asymmetries reduced by 39-46%, and quadriceps strength asymmetries diminished by 42-47%. Younger players (U16) demonstrated greater magnitude improvements compared to older athletes. Strong correlations existed between different asymmetry measures, supporting multidimensional assessment approaches. Effect sizes ranged from moderate to large across all variables.
Conclusion. The individualized neuromuscular training intervention effectively reduced functional asymmetries in youth football players, with age-related response variations supporting developmentally appropriate program design for optimizing athletic performance and injury prevention.
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| format | Article |
| id | doaj-art-e7c8a3fa1f794a27a95f55864f2c3b0a |
| institution | Kabale University |
| issn | 1579-1726 1988-2041 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | FEADEF |
| record_format | Article |
| series | Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación |
| spelling | doaj-art-e7c8a3fa1f794a27a95f55864f2c3b0a2025-08-21T01:37:31ZengFEADEFRetos: Nuevas Tendencias en Educación Física, Deportes y Recreación1579-17261988-20412025-08-017010.47197/retos.v70.117056Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballersWalid Bouzid0Omar Ben Rakaa1https://orcid.org/0000-0002-2181-5247Aziz Chokri2Aziz Eloirdi3https://orcid.org/0000-0003-1061-7787Abdelmoujoud Elhaboussi4https://orcid.org/0000-0003-2138-4966Mohamed Barkaoui5Sports Science Research Team, Institute of Sports Science, Hassan 1st University, Settat, MoroccoMultidisciplinary Laboratory in Education Sciences and Training Engineering (LMSEIF). Sport Science Assessment and Physical Activity Didactic. Normal Higher School (ENS-C), Hassan II University of Casablanca, MoroccoSports Science Research Team, Institute of Sports Science, Hassan 1st University, Settat, MoroccoSports Science Research Team, Institute of Sports Science, Hassan 1st University, Settat, MoroccoSports Science Research Team, Institute of Sports Science, Hassan 1st University, Settat, MoroccoSports Science Research Team, Institute of Sports Science, Hassan 1st University, Settat, Morocco Background. Functional asymmetries in youth football players represent significant performance limitations and injury risk factors requiring targeted intervention strategies. Elite youth athletes frequently demonstrate bilateral imbalances across multiple neuromuscular domains. Objective. This study evaluated the effectiveness of an individualized 8-week neuromuscular training program in reducing functional asymmetries among elite youth football players across different age categories (U16, U17, U18). Methods. This 8-week experimental intervention aimed to reduce functional asymmetries in balance, unilateral strength, and jump performance among elite youth footballers. Conducted in addition to their regular weekly schedule (five sessions, 8–10 hours football-specific practice + 2–3 hours strength and conditioning), the program comprised two 30–40 min neuromuscular sessions per week. Each session included four blocks: activation & mobility, unilateral strengthening, plyometrics & single-leg jumps, and balance & postural control. Progression was applied systematically through increased load, instability, movement complexity, and football-specific demands, following the principle of progressive overload. Individualization strategies targeted the weaker limb when interlimb differences exceeded 10%, with adjustments based on RPE, mid-term, and final assessments. Results. Significant reductions in functional asymmetries were observed across all variables and age groups. Y-Balance Test asymmetries decreased by 46-60%, Single Leg Hop Test asymmetries reduced by 39-46%, and quadriceps strength asymmetries diminished by 42-47%. Younger players (U16) demonstrated greater magnitude improvements compared to older athletes. Strong correlations existed between different asymmetry measures, supporting multidimensional assessment approaches. Effect sizes ranged from moderate to large across all variables. Conclusion. The individualized neuromuscular training intervention effectively reduced functional asymmetries in youth football players, with age-related response variations supporting developmentally appropriate program design for optimizing athletic performance and injury prevention. https://www.revistaretos.org/index.php/retos/article/view/117056Functional asymmetryNeuromuscular trainingBilateral deficitY-Balance TestInterlimb asymmetry |
| spellingShingle | Walid Bouzid Omar Ben Rakaa Aziz Chokri Aziz Eloirdi Abdelmoujoud Elhaboussi Mohamed Barkaoui Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación Functional asymmetry Neuromuscular training Bilateral deficit Y-Balance Test Interlimb asymmetry |
| title | Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers |
| title_full | Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers |
| title_fullStr | Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers |
| title_full_unstemmed | Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers |
| title_short | Effect of an 8-week training program on the rebalancing of functional asymmetry in young footballers |
| title_sort | effect of an 8 week training program on the rebalancing of functional asymmetry in young footballers |
| topic | Functional asymmetry Neuromuscular training Bilateral deficit Y-Balance Test Interlimb asymmetry |
| url | https://www.revistaretos.org/index.php/retos/article/view/117056 |
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