The incidence of head injury and concussion, along with the resulting consequences, is well-known in sports. Professional motocross is a sport with high risk for head injury and concussion. Although the American Motorcyclist Association (AMA) requires pre- and post- concussion testing, most research has not focused on the impact of concussion on the professional motocross athlete. This study evaluated neurocognitive test results for athletes with concussions at professional motocross events in the United States. Using concussion test data from March, 2012 through April, 2018, obtained from professional motocross athletes on the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT), we tested the hypotheses that (1) lower baseline composite scores were associated with higher numbers of reported concussions and (2) variation in baseline composite scores could be explained by number of concussions and severity of concussion. The linear regression model showed mixed results when comparing the number of concussions to the composite test scores. Verbal memory and visual motor composite scores both showed a significant difference with number of reported concussions. The multiple regression model statistically significantly predicted verbal memory composite scores with number of concussions and type 3 concussion adding statistically significantly to the prediction. The multiple regression model did not statistically significantly predict visual motor composite scores, visual memory scores, impulse control composite scores or reaction time composite scores. One unintended finding in this study was the incidence of reported concussion, which was higher than current literature reported. Future research should continue to investigate other factors that could influence ImPACT composite scores, including level of education, disability, first language, age, height, weight, type of motorcycle, position and number of year in the sport.
|Commitee:||Cluphf, David, Guilford, Brianne|
|School:||Southern Illinois University at Edwardsville|
|School Location:||United States -- Illinois|
|Source:||MAI 58/06M(E), Masters Abstracts International|
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