The YOLO Project (You Only Live Once) is mainly to help us understand how head injury's work, and to convince those who read through our individual projects to stay safe by wearing helmets! My topic isn't necessarily a sport that needs to add helmets to there inventory, but to improve them. Football (High school, College, and Professionally) accounts for 47% of ALL concussions throughout any sport (according to the CDC or Center for Disease Control and Prevention). Concussions are usually caused when your brain abruptly crashes into the side of your skull. The Cerebral Spinal Fluid usually protects against minor impacts, as it fills the space between the brain and the skull, YET, when your brain is hit with a force OVER 45 G's, you will experience permanent brain damage. In 'Helmets' article, "How Do Helmets Work" they state that, "Helmets designed to handle major crash energy generally contain a layer of crushable foam. When you crash and hit a hard surface, the foam part of a helmet crushes, controlling the crash energy and extending your head's stopping time by about six thousandths of a second (6 ms) to reduce the peak impact to the brain. Rotational forces and internal strains are likely to be reduced by the crushing." Usually this does work, yet when you are hit head on your helmet may not be able to withstand the given force. In football, we see the majority of concussions being caused when pone player hits another player in a helmet to helmet impact. In the following video, you will witness some of the hits that occur. Most of which cause concussions.
(According to Child Psych)