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KINE 1020 Concussion Lecture .docx

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Kinesiology & Health Science
KINE 1020
Guest Lecture

KINE 1020 Midterm Notes Concussion  Where does this term orginate? o Concutere: from the Latin to violently shake o Concussus: from the action of striking  A concussion is a disturbance in the brain function that occurs following either a blow to the head or as a result of the violent shaking of the head (CDC)  Concussion is a brain injury and is defined as a complex pathophysiological process affecting the brain induced by a biochemical forces  Mild Traumatic Brain Injury (MTBI) o Terminology used to emphasize that is damage to the brain and not just a “ding” or getting “bell rung”  Second Impact Syndrome (SIS) o Effects of initial concussion o Returning to play before signs and symptoms resolved o Second impact on the brain o Rapid and often fatal brain swelling  Post Concussion Syndrome (PCS) o A collection of symptoms that can last for several weeks, months or years after a concussion o To date, no treatment solutions o Athletes have to retire from spots due to PCS  Chronic Traumatic Encephalopathy (CTE) o Some evidence of degenerative brain condition related to repetitive brain trauma o Research focuses on post mortem dissection of athlete’s brains o Condition mimics Alzheimer’s  Two or more concussions, athletes took long to recover verbal memory and reaction time than non-concussed athletes  Common Reported Concussion Symptoms: o Headache o Feeling slowed down o Difficulty concentration o Dizziness o Fogginess o Fatigue o Visual blurring/double vision o Light sensitivity o Memory dysfunction o Balance problems  Common concussion signs: o Appears dazed o Confused about play o Moves clumsily o Answers questions slowly o Personality/behavioural changes o Forgets events prior to injury (retrograde amnesia) o Forgets events after amnesia (anterograde amnesia)  Are the injuries treated in the same way? Is the healing process the same for all body parts? o Very clear acute physiological reactions to musc
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