The effects of training based on Nordic Hamstring and sprint exercises on measures of physical fitness and hamstring injury prevention in U19 male soccer players

Raya-González, Javier, Torres Martín, Luiz, Beato, Marco, Rodríguez-Fernández, Alejandro and Sánchez-Sánchez, Javier (2021) The effects of training based on Nordic Hamstring and sprint exercises on measures of physical fitness and hamstring injury prevention in U19 male soccer players. Research in Sports Medicine. ISSN 1543-8627 (In Press)

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Abstract

This study analyzed the effects of a training program based on Nordic Hamstring and sprint exercises on physical performance and hamstring injuries in young male soccer players. Forty-nine U19 players were randomly assigned to a control (CG; n = 26) or experimental group (EG; n = 23). Linear sprint and with change of direction (COD) were assessed before and after a 14-week training period. Hamstring injuries that occurred throughout the intervention period were collected. Between-groups analysis revealed differences in linear sprint performance (p = 0.012-0.001) in favor of the EG. Pre-to-post performance increased significantly in the EG for 20 m (effect size [ES] = -0.56) and 30m (ES = -0.62) sprints, but a significant reduction in some COD parameters was observed (ES = 0.45-0.57). In CG, only a significant reduction in COD with dominant leg performance was found (ES = 0.63). Significant differences in injury burden in favor of the EG was reported such as (27.87 [CG] vs 3.82 [EG] absence days/1,000 hours of exposure, rate ratio = 7.30, 95% CI 3.34-15.99). While injury incidence was not different between the EG and CG. These findings suggest that the training program implemented can improve sprint performance and reduce injury burden.

Item Type: Article
Uncontrolled Keywords: hamstring, injury prevalence, velocity, football, performance
Subjects: Q Science > QP Physiology
Divisions: Faculty of Health & Science > Department of Science & Technology
Depositing User: Marco Beato
Date Deposited: 15 Nov 2021 12:56
Last Modified: 15 Nov 2021 12:56
URI: http://oars.uos.ac.uk/id/eprint/2101

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