be obvious causes, while others less so. The key is any contact that causes a "jarring" of the head and brain can result in a concussion. "One of our defensemen, Jan, got beat on the outside by a speedy forward. She started chasing her down, and at the last moment dove to try and poke check the puck. She got the puck but ended up sliding right into the goalie and the net. It didn't look like much of a collision, but Jan came off the ice complaining of a headache, and after our trainer checked her out it was apparent that her pupils were different sizes." Dr. Montelpare: "Sometimes injuries to the brain can happen on the most seemingly innocent plays. It sounds like your player must have hit her head on something hard when going into the net such as the post or the ice. During a chaotic game is  difficult to determine the exact cause of incidents, but the important thing is that you got your player examined by the trainer and did not allow her back in the game." Other Problems from Concussions What is important to understand is hockey is only a game, concussions can be a lifetime. Concussions often cause significant and sustained neuropsychological impairments in information processing, problem solving, planning, and memory. These impairments are worse with multiple concussions. With the exception of the unconscious individual or someone who is severely dazed, it is often very difficult to identify who has sustained a