Tests administered on the sidelines, such as the King-Devick and the Standardized Assessment of Concussions (SAC), require athletes to quickly read numbers or words, or to recall words. Athletes must equal or better their previous baseline test score in a set amount of time to get back into a game — and that is if they are otherwise asymptomatic. “Kids are still not honest. They want to work through it,” Herceg said.

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