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Concussions

Concussions. Friday, March 12, 2010. Image From: http://www.ctvolympics.ca/video/collections/collectionid=45845/index.html. What is a concussion?.

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Concussions

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  1. Concussions Friday, March 12, 2010 Image From: http://www.ctvolympics.ca/video/collections/collectionid=45845/index.html

  2. What is a concussion? • “Concussion may be caused either by a direct blow to the head, face, neck or else where on the body with an ‘impulsive’ force transmitted to the head.” (Play it Cool, 2010)

  3. Concussion Symptoms • From the “Play it Cool” website • “Concussion typically results in the rapid onset of short-lived impairment of neurologic function that resolves spontaneously.” Examples include: • Nausea, double or fuzzy vision, sensitivity to light or noise, headache, feeling sluggish, feeling foggy or groggy, concentration or memory problems, confusion

  4. My Concussion History • Tuesday, February, 26, 2010 • Running an on-ice practice with the varsity girls hockey team, I collided with a student & hit my head on the ice (I was wearing a helmet) • Symptoms: • Dizzy • Felt sick to my stomach • Was spacey (a.k.a. – I was out of it) • Headaches for about 2 weeks

  5. My Concussion History • Tuesday, March 2, 2010 • Hit in the back of the head with a hard rubber ball while playing European handball with the grade 12 co-ed class • Symptoms: • Instant headache (has not gone away) • I was totally out of it • Vision in left eye was blurry, out of focus, & I was seeing lines across my eye

  6. Concussions in the news • The Globe & Mail (Tuesday, March 9, 2010) • Concussion effects linger for decades, study finds • The Globe & Mail (Monday, March 8, 2010) • Concussions can’t be eliminated completely • National Post (Thursday, February 25, 2010) • NFL combine puts more emphasis on concussions

  7. Curriculum Link • Grade 11 University Biology (SBI3U) • Strand E. Animals: Structure & Function • Specific Expectation: • E1.1: Evaluate the importance of various technologies, including Canadian contributions, to our understanding of internal body systems ( e.g., ... Nuclear magnetic resonance [NMR] imaging can be used to diagnose injuries ...)

  8. Curriculum Link • Grade 11 University Physics (SPH3U) • Strand C: Forces • Specific Expectation • C 1.2: Evaluate the impact on society and the environment of technologies that use principles of force

  9. Relevance to students • You can suffer a concussion while engaging in sports such as hockey, football, soccer, boxing and other sports, or leisure activities, for example tobogganing • In the past 2.5 years, 200 concussions have been reported among NHL players (Globe Sports, 2010, Section R7) • “Close to 10% of minor hockey players suffer concussions each year”(The Globe & Mail: Concussion effects linger for decades, 2010) • “According to the Centers for Disease Control and Prevention, between 1.4 and 3.6 million sports and recreation-related concussions occur each year, with the majority happening at the high school level.” (Science Daily, 2007)

  10. Scanning Technology • “Traditional brain scanning techniques such as MRI and CT are helpful in viewing changes to the brain anatomy in more severe cases, but cannot identify subtle brain-related changes that are believed to occur on a metabolic rather than an anatomic level.” (Science Daily, 2007) • ImPACT Test • Immediate Post-Concussion Assessment & Cognitive Testing • Used a baseline and for post-concussion comparison) • Measures multiple aspects of cognitive functioning including neurological tests that look at word discrimination, X’s & O’s, colour match, symbol matching, visual attention span (http://www.impacttest.com/)

  11. New Helmet Technology • The Messier Project • “... is an all-encompassing grassroots and educational initiative which aims to change priorities in the sport by encouraging athletes to play smart and choose the best protective equipment.” (http://www.cascadeicehockey.com/the-project.html) • The Technology • “Seven Technology is tuned to absorb impact using lateral displacement, providing the protection of two helmets in the space of one – one for catastrophic hits and one for concussions.” (http://www.cascadeicehockey.com/the-technology.html) • The Helmet

  12. References • CBC News – Health (2010). Concussions should be termed brain injury: study. Retrieved March 9, 2010 from http://www.cbc.ca/health/story/2010/01/18/concussion-children-brain-injury.html • The Globe & Mail (2010). Concussion effects linger for decades, study finds. Retrieved March 9, 2010 from http://www.theglobeandmail.com/news/national/concussion-effects-linger-for-decades-study-finds/article1494423/ • The Globe & Mail (2010). Concussions can’t be eliminated completely. Retrieved Tuesday, March 9, 2010 from http://www.theglobeandmail.com/sports/hockey/concussions-cant-be-eliminated-completely/article1494155/ • ImPACT Test (2010). Retrieved March 10, 2010 from http://www.impacttest.com/

  13. References • National Post (2010). NFL combine puts more emphasis on concussions. Retrieved Tuesday, March 9, 2010 from http://www.nationalpost.com/sports/story.html?id=2613215 • The Messier Project (2010). Retrieved Tuesday, March 10, 2010 from http://www.cascadeicehockey.com/ • Play it Cool – Keeping Hockey Safe (2010). Retrieved March 10, 2010 from http://playitcoolhockey.com/home/index.html • Shoalts, D. (2010, March 9). NHL focuses attention on shoulder hits to head. The Globe & Mail, pp. R7. • Science Daily (2007). Sports concussions research using Functional MRI provides insight for safe return to play. Retrieved March 9, 2010 from http://www.sciencedaily.com/releases/2007/08/070806114252.htm

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