Leisure-Time sport and overuse injuries of extremities in children age 6-13, a 2.5â €..years prospective cohort study: The CHAMPS-study DK

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© Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-And-licensing/. Objectives It is not known which sports are most likely to cause overuse injuries of the extremities in children. In this study, we report on the incidence of overuse injuries of the upper and lower extremities in children who participate in various leisure-Time sports and relate this to the frequency of sport sessions. Design Natural experiment including a prospective cohort study. Setting 10 state schools in 1 Danish municipality: Svendborg. Participants 1270 children aged 6-13â €..years participating in the Childhood Health, Activity, and Motor Performance School Study Denmark. Outcomes measures Over 2.5â €..years, parents answered weekly SMS-Track messages (a) on type and frequency of leisure-Time sports undertaken by their child, and (b) reporting if their child had experienced any musculoskeletal pain. Children with reported pain were examined by a clinician and diagnosed as having an overuse injury of an extremity or not. The incidence of diagnosed overuse injury was calculated for each of the 9 most common sports in relation to 5-week periods. Incidence by frequency of sessions was calculated, and multivariable analysis was performed taking into account age, sex and frequency of physical education classes at school. Results Incidence of overuse injuries of the lower extremity ranged from 0.2 to 3.3 for the 9 sports, but was near 0 for overuse injuries of the upper extremities. There was no obvious dose-response. The multivariate analysis showed soccer and handball to be the sports most likely to result in an overuse injury. Conclusions Among a general population of schoolchildren, overuse injuries of the lower extremities were not common and overuse injuries of the upper extremities were rare. Organised leisure-Time sport, as practised in Denmark, can be considered a safe activity for children.




Chéron, C., Leboeuf-Yde, C., Le Scanff, C., Jespersen, E., Rexen, C. T., Franz, C., & Wedderkopp, N. (2017). Leisure-Time sport and overuse injuries of extremities in children age 6-13, a 2.5â €..years prospective cohort study: The CHAMPS-study DK. BMJ Open, 7(1). https://doi.org/10.1136/bmjopen-2016-012606

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