Concussion in Rugby is an important public health issue and there is a clear need for concussion-reducing headgear. It is not clear whether currently available soft headgear can mitigate the effects of a concussive impact and it is concerning that a notable proportion of the playing population have a misbelief in their protective effect. In order to enhance development of modern and effective headgear, this study investigated suitability of smart polymer materials via both standardised and novel biomechanical test methodologies. Superior performances of the smart polymers to that of the existing products were generally observed and resulted in the reductions of at least 40% in the probability of concussion. Diffuse Axonal Injury (DAI) severity rating suggested two-fold improvement over the existing headgear if the smart polymers were used as a replacement for the cushioning material in the current products
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