In elite youth soccer, the objective is to identify, develop, and enhance players’ ability to support their progression. During adolescence, players of the same chronological age often show differences in technical, tactical, physical, and psychological performance due to variations in biological maturation. The bio-banding (BB) format tries to reduce these discrepancies by grouping players with maturity-matched peers, promoting development within a maturity-respecting environment. This review synthesizes the effects of BB on soccer-specific performance in comparison to traditional chronological-age (CA) grouping. PubMed, Scopus, Web of Science (Core and Medline), and BASE databases were searched, and experimental studies using crossover, such as those applying both BB and CA in young soccer players, were considered eligible. Eleven experimental studies were included. Most of the investigated outcomes focused on physical performance (n = 9) and technical and tactical characteristics (n = 8), while psychological aspects were less examined (n = 2). Moreover, two studies further assessed how different BB methods influenced the investigated outcomes. The evidence confirms that BB influences youth soccer player characteristics, showing differences compared to CA grouping. BB can be an approach for optimizing individual growth but is not a definitive solution, presenting limits that require careful management, appropriate challenge, and integration with injury prevention and workload monitoring. Further research is needed to clarify its performance-related impact across maturity statuses.
Mazzei et al. (Tue,) studied this question.
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