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The American Football Helmet and Concussions. John Krauss. Overview. Football accounts for the most sports-related concussions in the United States. The National Operating Committee on Standards for Athletic Equipment (NOCSAE).
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The American Football Helmet and Concussions John Krauss
Overview Football accounts for the most sports-related concussions in the United States. The National Operating Committee on Standards for Athletic Equipment (NOCSAE) Ruling Change in 1975 prohibiting players from leading with their heads.
Forces At Work F = mStrikingaStriking+FN F = mStruckaStruck SI = ∫a(t)2.5dt * The resulting SI score has to be below 1200 in order for a helmet to pass the safety test.
Concussions * One of the dangers associated with concussions is that after receiving one, a player is more susceptible to further trauma for up to 14 days. * Tendency of concussions to show no pathological changes on standard MRI and CT scans. * After the initial trauma, there is a marked decrease in blood to the affected area of the brain. * Two areas of the brain that show susceptibility to trauma are the frontal and temporal lobes. * Multiple traumatic brain injuries can lead to severe long term health effects and can become fatal
Sources • CONCUSSION IN PROFESSIONAL FOOTBALL:RECONSTRUCTION OF GAME IMPACTS AND INJURIES:Elliot J. Pellman, M.D.David C. Viano, Dr. med.,Ph.D. Andrew M. Tucker, M.D. Ira R. Casson, M.D. Joe F. Waeckerle, M.D. Bloomfield Hills, MI 48304-2952. 2003 • ANALYSIS AND EVOLUTION OF HEAD INJURYIN FOOTBALL Michael L. Levy, M.D., Burak M Ozgur, M.D, Cherisse Berry, B.S, Henry E. Aryan, M.D, Michael L.J. Apuzzo, M.D, February 23, 2004. Neurosurgery 55:649-655, 2004 • Birth and Evolution of the Football helmet:Michael L. Levy, M.D., Burak M Ozgur, M.D, Cherisse Berry, B.S, Henry E. Aryan, M.D, Michael L.J. Apuzzo, M.D, February 23, 2004. VOLUME 55 | NUMBER 3 | SEPTEMBER 2004 www.neurosurgery-online.com • Concussion In Professional Football: Biomechanics of Struck Player, David Viano, M.D, Ph.D, Ira Casson, M.D., Elliot Pellman, M.D. VOLUME 61 | NUMBER 2 | AUGUST 2007 www.neurosurgery-online.com