Do test takers have to wait a certain period of time after activity before taking a baseline or post-injury test? It’s important that test takers do not take their test within 3 hours of strenuous physical exertion. This means no testing directly after practice, PE class, or game. Updated on 01/28/2019 Was this article helpful? Yes No Related Articles Can post-injury testing be completed at home? Can baseline testing be completed at home? How do I use the scores provided in ImPACT Pediatric clinical reports? Why do I have to retake my baseline test? How do I add another user to my account? Who has access to clinical reports via ImPACT Passport IDs?