The recognition, evaluation, diagnosis and management of sport-related concussion (SRC) is complex, dynamic and multidimensional. It is viewed by many as one of the most complex injuries faced in sports medicine. 1 Historically, several standardised, empirically derived, brief screening tools were available to acutely evaluate concussion signs and symptoms, cognitive functioning, and postural stability. 2 3 Each of these instruments existed in isolation. The Concussion in Sport Group (CISG) integrated these measures into one multimodal tool designed to assist clinicians by standardising an acute assessment across several domains of functioning. The original Sport Concussion Assessment Tool (SCAT) was published in 2005 4 and contained educational information, a concussion symptoms scale and information on management of concussion. In the years that followed several iterations of the SCAT have been published, informed by empirical data, systematic reviews and clinical experience. Each iteration of the SCAT evolved along with the scientific literature, with each version increasingly representing the complexity and multimodal nature of SRC assessment.