• Joke Schuermans, Damien Van Tiggelen, Tanneke Palmans, Lieven Danneels, and Erik Witvrouw.
• Department of Rehabilitation Sciences and Physiotherapy Ghent, Ghent University, Ghent, Belgium. Electronic address: Joke.schuermans@ugent.be.
• Gait Posture. 2017 Sep 1; 57: 270-277.

BackgroundAlthough the vast majority of hamstring injuries in male soccer are sustained during high speed running, the association between sprinting kinematics and hamstring injury vulnerability has never been investigated prospectively in a cohort at risk.PurposeThis study aimed to objectify the importance of lower limb and trunk kinematics during full sprint in hamstring injury susceptibility.Study DesignCohort study; level of evidence, 2.MethodsAt the end of the 2013 soccer season, three-dimensional kinematic data of the lower limb and trunk were collected during sprinting in a cohort consisting of 30 soccer players with a recent history of hamstring injury and 30 matched controls. Subsequently, a 1.5 season follow up was conducted for (re)injury registry. Ultimately, joint and segment motion patterns were submitted to retro- and prospective statistical curve analyses for injury risk prediction.ResultsStatistical analysis revealed that index injury occurrence was associated with higher levels of anterior pelvic tilting and thoracic side bending throughout the airborne (swing) phases of sprinting, whereas no kinematic differences during running were found when comparing players with a recent hamstring injury history with their matched controls.ConclusionDeficient core stability, enabling excessive pelvis and trunk motion during swing, probably increases the primary injury risk. Although sprinting encompasses a relative risk of hamstring muscle failure in every athlete, running coordination demonstrated to be essential in hamstring injury prevention.Copyright © 2017 Elsevier B.V. All rights reserved.

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