Int J Sports Med 2015; 36(06): 455-459
DOI: 10.1055/s-0034-1398493
Training & Testing
© Georg Thieme Verlag KG Stuttgart · New York

Asymmetry after Hamstring Injury in English Premier League: Issue Resolved, Or Perhaps Not?

P. Barreira
1   Sport Science, Liverpool John Moores University, Liverpool, United Kingdom
,
B. Drust
2   Sport and Exercise Sciences, LJMU, Liverpool, United Kingdom
,
M. A. Robinson
1   Sport Science, Liverpool John Moores University, Liverpool, United Kingdom
,
J. Vanrenterghem
3   Research Institute for Sport and Exercise, Liverpool John Moores University, Liverpool, United Kingdom
› Author Affiliations
Further Information

Publication History



accepted after revision 30 October 2014

Publication Date:
20 February 2015 (online)

Abstract

Hamstring injuries constitute one of the most concerning injuries in English Premier League football, due to its high primary incidence but also its recurrence. Functional methods assessing hamstring function during high-risk performance tasks such as sprinting are vital to identify potential risk factors. The purpose of this study was to assess horizontal force deficits during maximum sprint running on a non-motorized treadmill in football players with previous history of hamstring strains as a pre-season risk-assessment in a club setting. 17 male football players from one Premier League Club were divided into 2 groups, experimental (n=6, age=24.5±2.3 years) and control (n=11, age=21.3±1.2 years), according to history of previous hamstring injury. Participants performed a protocol including a 10-s maximum sprint on a non-motorized treadmill. Force deficits during acceleration phase and steady state phases of the sprint were assessed between limbs and between groups. The main outcome measures were horizontal and vertical peak forces during the acceleration phase or steady state. There were no significant differences in peak forces between previously injured and non-injured limbs, or between groups, challenging the ideas around functional force deficits in sprint running as a diagnostic measure of hamstring re-injury risk.

 
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