Orthopaedic Journal of Sports Medicine · 2019 · 11 citations · 20 references
The study findings suggest that many youth soccer athletes participated in multiple teams or leagues at the same time and trained more than 8 months of the year. Characteristics including participation on a club team, level of specialization, and male sex were associated with a greater likelihood of exceeding the 8-month training recommendation.
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Sports Specialization in Young Athletes
Neeru Jayanthi, Courtney Pinkham, Lara R. Dugas et al. · Sports Health A Multidisciplinary Approach · 2012 · 503 citations · Full text
Robert M. Malina · Current Sports Medicine Reports · 2010 · 407 citations
Sport Participation, Behavioral Sciences, Performance Studies +15