Throughout his professional football career, Jim McMahon played for seven teams and won two Super Bowls. Every day of every season, he put on his uniform, went out onto the field, and performed at a level few people could ever reach.
When you suffer from a concussion, which can be caused by a bump, strike, fall, or jolt to the head, there is always the possibility that you could develop post-concussion syndrome. The danger is that an injury that causes a concussion may not happen to the head at all, but it may rather occur as a result of the head moving back and forth quickly when the body is struck.
