Comparison of Preseason and Postseason Measures from Impact and Graded Symptom Checklist on Division I Football Players
Abstract
This study examines the possible effects of sub-concussive hits that players receive throughout the season. The study consisted of 23 subjects (9 offense and 14 defense) and was approved by the university IRB. All subjects signed an informed consent and participated in every game throughout the season. Subjects came in for pre-season testing, before fall camp started, on GSC and ImPACT. Subjects then came in for post-season testing within a week after the last regular season game. Statistically significant differences in verbal memory and reaction time were observed. Verbal memory increased and reaction time decreased over one season of DI football. All other variables had no significant differences from pre to post-season. Although verbal and reaction time showed statistical differences they are not significant in the clinical setting. The RCI on ImPACT would not recognize the variation between pre and post test as significant. These results can prove that baseline testing should be done before each season on athletes in order to obtain the most up-to-date and accurate baseline measurement. Athletic trainers and team physicians should always be monitoring their athletes during practices and games for concussion like symptoms to protect the athlete from further harm. Future research recommends looking at pre and post scores over an athlete's career and examining any possible differences. Researchers could also examine NFL players and look for any differences in pre to post season measures due to the higher speeds of play and longer regular season schedules compared to college.
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