Concussion and Concurrent Cognitive and Sport-specific Task Performance in Youth Ice Hockey Players: A Single-case Pilot Study

Zabjek, Philippe Fait Karl

doi:10.4172/2155-9562.1000171

J Neurol Neurophysiol

2013

DOI: 10.4172/2155-9562.1000171

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Concussion and Concurrent Cognitive and Sport-specific Task Performance in Youth Ice Hockey Players: A Single-case Pilot Study

Philippe Fait Karl Zabjek¹

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Cited by 2 publications

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Concussion and concurrent cognitive and sport-specific task performance in youth ice hockey players: a pilot study

et al. 2013

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Objective To determine the influence of concussion on cognitive performance while completing concurrent sport-specific tasks to further inform return to play protocols for youth athletes. Design This descriptive case pilot study compared the performance of youth ice hockey players who had experienced a concussion in the last ice hockey season to non-injured controls. Setting Youth athletes were assessed while performing ice hockey skills in an ice hockey arena. Participants Four male youth ice hockey players who experienced a concussion during the previous ice hockey season (mean age=11.7±0.29 years; mean time since injury=92.5±49.0 days) and nine non-injured control subjects (mean age=11.4±1.0 years). Intervention Participants completed a randomised combination of four tasks (unobstructed skating, visual interference task, avoiding a fixed obstacle, stickhandling an ice hockey puck). Outcome Measures Response errors and response reaction time dual-task costs during visual interference task (modified Stroop task). Results Participants who experienced a concussion within the past ice hockey season and were ≤58 days post-injury demonstrated significantly poorer cognitive performance (increased dual task cost) across all conditions when performing concurrent sport-specific skills (based on 95% CI). Conclusions Youth ice hockey players with a more recent concussion demonstrated greater cognitive deficits compared to controls. This study acts as an initial step towards the development of an ecologically valid, sport-specific assessment of functional performance following concussion in youth ice hockey players. Acknowledgements Ontario Neurotrauma Foundation, Quebec Rehabilitation Research Network (ONF-REPAR). Competing interests None.

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Concussion and concurrent cognitive and sport-specific task performance in youth ice hockey players: a pilot study

et al. 2013

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Locomotor deficits in recently concussed athletes and matched controls during single and dual-task turning gait: preliminary results

Fino

Nussbaum

Brolinson

2016

J NeuroEngineering Rehabil

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BackgroundThere is growing evidence that mild traumatic brain injury (concussion) can affect locomotor characteristics for prolonged periods of time even when physical signs and symptoms are absent. While most locomotor deficits post-concussion have involved straight walking, turning gait has received little attention despite its pervasiveness in everyday locomotion and athletic competition.MethodsThis study longitudinally examined kinematic characteristics during preplanned turning in a small sample of recently concussed athletes (n = 4) and healthy matched control athletes (n = 4) to examine potential deficits during single and dual-task turning gait over the initial 6 weeks post-injury, with a one-year follow-up. Turning path kinematics (curvature, obstacle clearance, path length), stride kinematics (stride length, stride width, stride time), and inclination angles were calculated from motion capture of participants walking around an obstacle.ResultsConcussed athletes had larger dual-task costs in turning speed and stride time compared to healthy controls. After controlling for speed and turn curvature, recently concussed athletes increased their inclination towards the inside of the turn over time and decreased their stride time compared to controls indicating a prolonged recovery. Kinematic differences between groups were estimated to recover to healthy levels between 100 and 300 days post-injury, suggesting future prospective longitudinal studies should span 6–12 months post-injury.ConclusionTurning gait should be included in future studies of concussion and may be a clinically useful tool. Future longitudinal studies should consider examining gait changes for up to 6–12 months post-injury.Electronic supplementary materialThe online version of this article (doi:10.1186/s12984-016-0177-y) contains supplementary material, which is available to authorized users.

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Concussion and Concurrent Cognitive and Sport-specific Task Performance in Youth Ice Hockey Players: A Single-case Pilot Study

Cited by 2 publications

References 24 publications

Concussion and concurrent cognitive and sport-specific task performance in youth ice hockey players: a pilot study

Concussion and concurrent cognitive and sport-specific task performance in youth ice hockey players: a pilot study

Locomotor deficits in recently concussed athletes and matched controls during single and dual-task turning gait: preliminary results

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