American Football Helmet for Preventing Concussion, a Literature Review
نویسندگان
چکیده
منابع مشابه
Inadequate Helmet Fit Increases Concussion Severity in American High School Football Players
BACKGROUND There is limited information on the relationship between football helmet fit and concussion severity. HYPOTHESIS Poor helmet fit may predispose football players to a more severe concussion. STUDY DESIGN Descriptive epidemiology study. LEVEL OF EVIDENCE Level 3. METHODS Data from concussion injury reports were obtained from the National High School Sports-Related Injury Survei...
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Of all sports, football accounts for the highest incidence of concussion in the US due to the large number of athletes participating and the nature of the sport. While there is general agreement that concussion incidence can be reduced through rule changes and teaching proper tackling technique, there remains debate as to whether helmet design may also reduce the incidence of concussion. A retr...
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OBJECTIVE National Football League (NFL) concussions occur at an impact velocity of 9.3 +/- 1.9 m/s (20.8 +/- 4.2 mph) oblique on the facemask, side, and back of the helmet. There is a need for new testing to evaluate helmet performance for impacts causing concussion. This study provides background on new testing methods that form a basis for supplemental National Operating Committee on Standar...
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OBJECTIVE To determine if there is evidence that equipment use reduces sport concussion risk and/or severity. DATA SOURCES 12 electronic databases were searched using a combination of Medical Subject Headings and text words to identify relevant articles. REVIEW METHODS Specific inclusion and exclusion criteria were used to select studies for review. Data extracted included design, study pop...
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I believe the article by Pianosi (February 1997)1 concerning the measurement of cardiac output using impedance cardiogra¬ phy (ICG) illustrates a potentially serious defect in the evaluation of measurement techniques, related to results calculated using a formula with parameters not directly determined by the pro¬ posed measurement. Specifically, the formula for calculation of cardiac output, Q...
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ژورنال
عنوان ژورنال: Procedia Manufacturing
سال: 2015
ISSN: 2351-9789
DOI: 10.1016/j.promfg.2015.07.882