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In some instances, these concerns have prompted recommendations against anthropometric assessment in youth sport. This narrative review examines the evidence for and against G&amp;M assessment in youth sport, evaluating the benefits of appropriately implemented assessment against the potential risks. G&amp;M assessment supports injury prevention by identifying athletes undergoing rapid growth who are at increased risk of growth\u2010related and overuse injuries. It enables individualized training by aligning programing with biological rather than chronological age, and promotes inclusive talent identification by counteracting maturity\u2010related selection biases that systematically exclude late\u2010maturing athletes. While concerns about body image and eating disorders are valid, the reviewed evidence suggests that the risks are not associated with the collection of anthropometric measurements itself, but rather with how information is communicated and the broader sociocultural and coaching environments in which athletes train. Five G&amp;M implementation principles are proposed to maximize benefits and minimize risks: stakeholder education, privacy protection, voluntary participation, assessment by trained professionals, and integration within a holistic and child\u2010centered athlete monitoring system. Based on the evidence reviewed, G&amp;M assessment conducted within appropriate ethical and professional frameworks can support athlete welfare, development, and equitable participation.<\/jats:p>","DOI":"10.1111\/sms.70361","type":"journal-article","created":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T02:18:36Z","timestamp":1787019516000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Growth and Maturation Assessment in Youth Sport: Balancing Benefits and Risks"],"prefix":"10.1111","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6818-6230","authenticated-orcid":false,"given":"Tommy R.","family":"Lundberg","sequence":"first","affiliation":[{"name":"Division of Clinical Physiology, Department of Laboratory Medicine Karolinska Institutet  Stockholm Sweden"},{"name":"Unit of Clinical Physiology Karolinska University Hospital  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1915-9324","authenticated-orcid":false,"given":"Gemma N.","family":"Parry","sequence":"additional","affiliation":[{"name":"Department for Health University of Bath  Bath UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1705-9642","authenticated-orcid":false,"given":"Sean P.","family":"Cumming","sequence":"additional","affiliation":[{"name":"Department for Health University of Bath  Bath UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,17]]},"reference":[{"key":"e_1_2_13_2_1","unstructured":"\u201cIdrettslege Advarer Mot Biobanding: \u2013 Et Veldig Farlig Spor \u201dhttps:\/\/www.vg.no\/sport\/i\/qPqgym\/idrettslege\u2010advarer\u2010mot\u2010biobanding\u2010og\u2010veiing\u2010av\u2010barn\u2010i\u2010idretten\u2010bare\u2010farlig."},{"key":"e_1_2_13_3_1","unstructured":"\u201cVeier Barn p\u00e5 11 \u00e5r for \u00e5 Finne Biologisk Alder \u201dhttps:\/\/www.vg.no\/sport\/i\/o3oM7B\/norske\u2010toppklubber\u2010satser\u2010paa\u2010ny\u2010treningsmetode\u2010veier\u2010barn\u2010paa\u201011\u2010aar\u2010for\u2010aa\u2010finne\u2010biologisk\u2010alder."},{"key":"e_1_2_13_4_1","unstructured":"\u201cMedisinsk R\u00e5d for IHS \u201dhttps:\/\/www.idrettshelse.no\/next\/page\/medisinsk\u2010rad\u2010for\u2010ihs."},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2025-111184"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2023-106994"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005768-200204000-00020"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.94.4.504"},{"key":"e_1_2_13_9_1","doi-asserted-by":"publisher","DOI":"10.1080\/03014460.2018.1513560"},{"key":"e_1_2_13_10_1","unstructured":"Fotballforbund N \u201cKronikk: Dr\u00f8mmen Skal Leve Hos Flest Mulig Lengst Mulig! 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