Concussion-Sensing Chin Strap Raises Questions

A tool used to help detect head injuries in youth football is progressively making its way to the NFL ? a helmet chin strap that instantly and obviously makes it clear when a player has taken blow so severe it may have caused a head injury. The Impact Indicator from Battle Sports Science uses single-axis [...]

Source: http://www.wired.com/playbook/2012/03/battle-sports-science-impact-indicator/

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