Dangerous specialization in children's sports, chronicled in Aftenposten 17.08.2019
The chronicle was published in Aftenposten on Saturday 17.08.2019, and is written by Bjarte Myrhol and Eirik Øyestad.
If you didn't get it in the paper version, you can read it here:
https://www.aftenposten.no/meninger/kronikk/i/mRy1El/Tidlig-spesialisering-far-en-stadig-mer-naturlig-plass-i-barneidretten-Det-er-odeleggende--Bjarte-Myrhol-og-Eirik-Oiestad
Sources
Literature reviews of research on deliberate play (and practice), where Côté has written a good book chapter on this. The reference on this literature review is.
Côté, J., & Erickson, K. (2015). Diversification and deliberate play during the sampling years. In Routledge Handbook of Sports Expertise (pp. 331—342). Routledge.
Côté, J., Lidor, R., & Hackfort, D. (2009). ISSP position status: To sample or to specialize? Seven postulates about youth sport activities that lead to continued participation and elite performance. International Journal of Sport and Exercise Psychology, 7 (1), 7-17. (https://www.tandfonline.com/doi/abs/10.1080/1612197X.2009.9671889 )
A study that has looked at this in Norwegian:
Erikstad, M. K., Høigaard, R., Johansen, B. T., Kandala, N. B., & Haugen, T. (2018). Childhood football play and practice in relation to self-regulation and national team selection; a study of Norwegian elite youth players. Journal of Sports Sciences, 36 (20), 2304-2310 (https://www.tandfonline.com/doi/full/10.1080/02640414.2018.1449563)
Interested in reading more
See what Norwegian men's national team coach Christian Berge has to say about the topic:
https://www.aftenposten.no/sport/i/naG4dQ/Berge-reagerer-pa-utvikling--Hadde-det-ikke-vart-for-oss-voksne_-ville-ungene-hatt-det-vanvittig-moro