1G33 Reconstruction simulation of head injury accidents in playing American football based on the accident videotapes

Abstract

Field accident in American football causes traumatic brain injuries such as concussion and subdural hematoma. It is highly possible that serious brain injury is developed by repeated concussions during a comparatively-short term. Therefore, it is difficult to judge when the injured players are returned to games. We obtained the videotapes in which a head-to-head collision in actual American football game was recorded. A struck player developed concussion without loss of consciousness, with loss of memory and with no apparent abnormalities by CT scan. A reconstruction simulation of player's head collision using mathematical dynamic model (MADYMO) and finite element (FE) head and helmet model was conducted based on the accident videotapes.