{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T00:04:37Z","timestamp":1792195477526,"version":"4.4.0"},"reference-count":43,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,10,18]],"date-time":"2021-10-18T00:00:00Z","timestamp":1634515200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Physeal injuries have been overlooked in epidemiological research in youth sports. Our prospective study investigated the incidence, severity, and burden of physeal injuries in a youth elite football academy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In total, 551 youth male football players from under\u20109 to under\u201019 were included and observed over four consecutive seasons. Injuries involving the physis were diagnosed and recorded according to type, location, and diagnosis. Injury incidence (II), severity (days lost), and injury burden (IB) were calculated per squad per season (25 players\/squad).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were 307 physeal injuries: 262 apophyseal (85%), 26 physeal (9%), 2 epiphyseal (1%), and 17 other physeal injuries (5%) with 80% (n=245) causing time\u2010loss. The overall mean incidence of time\u2010loss physeal injuries was 6 injuries\/squad\u2010season, leading to a total of 157\u00a0days lost\/squad\u2010season. The U\u201016s had the highest burden with 444\u00a0days lost per squad\u2010season [median: 20 (95% CI: 12\u201330) days; II: 10 (95% CI: 7.3.1\u201313.4)]. Apophyseal injuries of the hip\u2013pelvis resulted in the greatest burden [median: 13 (95% CI: 10\u201317); II: 2.5 (95% CI: 2.1\u20133.0)]. Peak apophyseal injury incidence per body parts occurred in U\u201011 for foot\u2013ankle (II: 2.4; 95% CI: 1.0\u20134.9), U\u201014 for knee (II: 4.5; 95% CI: 2.7\u20137.1), and U\u201017 for hip\u2013pelvis (II: 6.4; 95% CI: 4.2\u20139.3).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Physeal injuries accounted for a quarter of all\u2010time loss with the largest injury burden in U\u201016. Most physeal injuries involved the lower limb and affected the apophysis. Physeal and apophyseal injuries incidence, burden, and pattern vary substantially depending on age. Hip\u2013pelvic apophyseal injuries accounted for the largest injury burden.<\/jats:p><\/jats:sec>","DOI":"10.1111\/sms.14059","type":"journal-article","created":{"date-parts":[[2021,9,22]],"date-time":"2021-09-22T19:25:09Z","timestamp":1632338709000},"page":"165-176","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":44,"title":["Shedding light on incidence and burden of physeal injuries in a youth elite football academy: A 4\u2010season prospective study"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6518-6112","authenticated-orcid":false,"given":"Olivier","family":"Materne","sequence":"first","affiliation":[{"name":"ASPETAR Orthopaedic and Sports Medicine Hospital Doha Qatar"},{"name":"Aspire Health Centre Aspire Academy Doha Qatar"},{"name":"Rangers Football Club Glasgow 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Orthopaedics and Sports Medicine Erasmus MC University Medical Centre Rotterdam The Netherlands"},{"name":"Sport Medicine and Exercise Clinic Haarlem (SBK) Haarlem The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Per","family":"Holmich","sequence":"additional","affiliation":[{"name":"ASPETAR Orthopaedic and Sports Medicine Hospital Doha Qatar"},{"name":"Sports Orthopaedic Research Center \u2010 Copenhagen (SORC\u2010C) Copenhagen University Hospital Amager\u2010Hvidovre Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roald","family":"Bahr","sequence":"additional","affiliation":[{"name":"ASPETAR Orthopaedic and Sports Medicine Hospital Doha Qatar"},{"name":"Oslo Sports Trauma Research Center Department of Sports Medicine, Norwegian School of Sport Sciences Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matt","family":"Greig","sequence":"additional","affiliation":[{"name":"Department of Sport and 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