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Effect of sub-concussive impacts sustained throughout a contact-sport season on quiet stance centre of pressure

ObjectiveTo examine how sub-concussive head trauma throughout a contact-sport season affects quiet stance centre of pressure (COP) swayDesignProspective cohortSettingLaboratory Participants: Twenty-four elite male football players (age range 18–22) were recruited for the studyInterventionQuiet stanc...

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Bibliographic Details
Published in:British journal of sports medicine 2017-06, Vol.51 (11), p.A28-A29
Main Authors: Smirl, Jonathan D, Dierijck, Jill K, Wright, Alexander D, Bryk, Kelsey, Donkelaar, Paul van
Format: Article
Language:English
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Summary:ObjectiveTo examine how sub-concussive head trauma throughout a contact-sport season affects quiet stance centre of pressure (COP) swayDesignProspective cohortSettingLaboratory Participants: Twenty-four elite male football players (age range 18–22) were recruited for the studyInterventionQuiet stance data was collected at the start and at the end of the competitive season. One-minute trials were performed with eyes-open and eyes-closed on a force plate (NDI True Impulse) with feet hip-width apart and hands-on-hips. Biomechanical head-impact exposure was indexed using the xPatch (X2 Biosystems)Outcome measuresCOP measures: Anterior/posterior (AP) and medial/lateral (ML) root-mean-square displacement (RMSd) and mean velocity. Biomechanical head-impact data: For hits above 20g, peak linear acceleration (PLA), and peak rotational acceleration (PRAwere estimated across the competitive season. Independent variables included time (2) and condition (2)ResultsRM-ANOVA reveal an effect of condition (eyes-open vs eyes-closed) in AP-RMSd (p=0.035, 95% CI: 0.006, 0.159), ML-RMSd (p
ISSN:0306-3674
1473-0480
DOI:10.1136/bjsports-2016-097270.73