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I would like to congratulate the British Journal of Sports Medicine for the publication of the study ‘The Adductor Strengthening Programme prevents groin problems among male football players: a cluster-randomised controlled trial’ conducted by Harøy et al.. The study investigated the effect of the adductor strengthening programme on the prevalence of groin problems among football players. The findings are incredibly important for the development of sports medicine because of their clinical relevance.
Regarding the methodology of this study, rather than giving criticism, I would like to suggest the authors if they can provide additional information or even a follow-up article on the game performance of the football teams involved in this study. As mentioned in the article, the authors have considered the groin pain causing time loss, decreasing participation or performance of the players . Meanwhile, the previous study literally found that a lower incidence rate was strongly correlated with the number of goals, games won and even team ranking position [2,3]. Therefore, readers are interested whether the performance could be improved too since the results showed a significant reduction in the prevalence of groin pain in the players.
Similar studies have been conducted to investigate the effect of a specific strength training programme on players’ injury prevalence and individuals’ performance . However, no data was included to refl...
Similar studies have been conducted to investigate the effect of a specific strength training programme on players’ injury prevalence and individuals’ performance . However, no data was included to reflect the impact on the teams' performance. Specifically, a unique methodological advantage of Harøy et al. ‘s RCT was based on both individuals and teams ie. 18 teams in the intervention group versus 17 teams in the control group . If there were no significant changes in other factors between the two groups throughout the study period, it is possible to generate more statistics on the teams’ performance for comparison after the intervention.
In summary, these contributions are intended to explore additional data of the study to improve this valuable manuscript even further. Because I believe that this study will have a direct impact on clinical practices, being a reference for deciding the most appropriate injury prevention programme, potentially performance enhancement as well, in sports medicine and the industry.
1 Harøy J, Clarsen B, Wiger EG, et al. The Adductor Strengthening Programme prevents groin problems among male football players: A cluster-randomised controlled trial. Br J Sports Med 2018;:145–52. doi:10.1136/bjsports-2017-098937
2 Eirale C, Tol JL, Farooq A, et al. Low injury rate strongly correlates with team success in Qatari professional football. Br J Sports Med 2013;47:807–8. doi:10.1136/bjsports-2012-091040
3 Hägglund M, Waldén M, Magnusson H, et al. Injuries affect team performance negatively in professional football: An 11-year follow-up of the UEFA Champions League injury study. Br J Sports Med Published Online First: 2013. doi:10.1136/bjsports-2013-092215
4 Barengo N, Meneses-Echávez J, Ramírez-Vélez R, et al. The Impact of the FIFA 11+ Training Program on Injury Prevention in Football Players: A Systematic Review. Int J Environ Res Public Health 2014;11:11986–2000. doi:10.3390/ijerph111111986