Snowboarders know concussions are no joke
http://www.usatoday.com/story/sports/olympics/sochi/2014/02/10/snowboarders-sarka-pancochova-concussion/5357439/
Why in the heck was she allowed to finish out her run, with a cracked helmet no less? That makes no sense. This would seem akin to a FB player finishing out the series he is in.