• Doug King, Matt Brughelli, Patria Hume, and Conor Gissane.
• Sports Performance Research Institute New Zealand (SPRINZ) at AUT Millennium, Faculty of Health and Environmental Science, Auckland University of Technology, Auckland, New Zealand, dking@aut.ac.nz.
• Sports Med. 2014 Apr 1;44(4):449-71.

BackgroundSport-related concussions are a subset of mild traumatic brain injuries and are a concern for many sporting activities worldwide.ObjectiveTo review and update the literature in regard to the history, pathophysiology, recognition, assessment, management and knowledge of concussion.MethodsSearches of electronic literature databases were performed to identify studies published up until April 2013.Results292 publications focussing on concussion met the inclusion criteria, and so they were quality rated and reviewed.ConclusionConcussion is hard to recognize and diagnose. Initial sideline assessment via the Sports Concussion Assessment Tool 3 (SCAT3), Child-SCAT3 or King-Devick test should be undertaken to identify athletes with concussion as part of a continuum of assessment modalities and athlete management. Sports medicine practitioners should be cognisant of the definition, extent and nature of concussion, and should work with coaches, athletes and trainers to identify and manage concussions. The most common reason for variations in management of concussion is lack of awareness of-and confusion about-the many available published guidelines for concussion. Future research should focus on better systems and tools for recognition, assessment and management of concussion. Sport participants' knowledge of concussion should be evaluated more rigorously, with interventions for sports where there is little knowledge of recognition, assessment and appropriate management of concussion.

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