Background:The Sport Concussion Assessment Tool–Third Edition (SCAT3) is currently considered the standard sideline assessment for concussions. In-game exercise, however, may affect SCAT3 performance and the diagnosis of concussions.Purpose:To examine the influence of exercise on SCAT3 performance in professional male athletes.Study Design:Controlled laboratory study.Methods:We examined the SCAT3 performance of 82 professional male athletes under 2 conditions: at rest and after exercise.Results:Athletes reported significantly fewer total symptoms (mean, 1.0 ± 1.5 vs 1.6 ± 2.3 total symptoms, respectively; P = .008; Cohen d = 0.34), committed significantly fewer errors on the modified Balance Error Scoring System (mean, 3.5 ± 3.5 vs 4.6 ± 4.1 errors, respectively; P = .017; d = 0.31), and required significantly less time to complete the tandem gait test (mean, 9.5 ± 1.4 vs 9.9 ± 1.7 seconds, respectively; P = .02; d = 0.30) during the at-rest condition compared with the postexercise condition.Conclusion:The interpretation of in-game (sideline) SCAT3 results should consider the effects of postexercise fatigue levels on an athlete’s performance, particularly if preseason baseline data have been collected when the athlete was well rested.Clinical Relevance:Exercise appears to affect symptom burden and physical abilities, such as balance and tandem gait, more so than the cognitive components of the SCAT3.
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机译：背景：运动脑震荡评估工具（第三版）（SCAT3）当前被认为是脑震荡的标准辅助评估。目的：研究运动对专业男运动员SCAT3性能的影响。研究设计：对照实验室研究方法：研究82名专业运动员的SCAT3性能男运动员在休息和运动两种情况下的结果：运动员报告的总症状明显减少（分别为1.0±1.5和1.6±2.3总症状; P = 0.008; Cohen d = 0.34），犯下的错误少得多修改后的平衡误差评分系统（平均误差分别为3.5±3.5和4.6±4.1; P = .017; d = 0.31），并且完成串联步态测试所需的时间大大减少（平均误差为9.5±1.4 vs 9.9）与运动后状态相比，在静止状态下分别为±1.7秒; P = .02; d = 0.30）结论：游戏中（副线）SCAT3结果的解释应考虑运动后疲劳水平对运动时的影响运动员e的表现，尤其是如果在运动员休息时收集了季前基线数据的情况下。临床意义：运动似乎比SCAT3的认知成分更能影响症状负荷和身体能力，例如平衡和串联步态。
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