Document Detail

Does a standardised exercise protocol incorporating a cognitive task provoke postconcussion-like symptoms in healthy individuals?
MedLine Citation:
PMID:  24801275     Owner:  NLM     Status:  Publisher    
OBJECTIVES: To explore whether an exercise protocol, alone and in combination with two selected cognitive tasks related to working memory, provokes postconcussion-like symptoms in healthy individuals.
DESIGN: Prospective single cohort semi-randomised crossover repeated measures (time×condition) design.
METHODS: 36 healthy individuals completed three submaximal exercise protocol conditions, namely: exercise alone, exercise with the paced auditory serial addition task, and exercise with Tetris. Self-reported symptoms were measured before exercise and 1-min and 15-min after the cessation of each exercise protocol using the Sports Concussion Assessment Tool 2-Postconcussion symptoms scale.
RESULTS: Analysis of variance indicated a significant increase in symptom scores over time (p<0.001), but no effect between conditions (p=0.371) or a significant time×condition interaction (p=0.444).
CONCLUSIONS: The combination of working memory tasks and a symptom provoking submaximal exercise protocol did not have an additional effect on the provocation of self-reported symptoms in healthy individuals. Furthermore, the two distinct methods of cognitive load delivery, controlled (paced auditory serial addition task) and pragmatic (Tetris), did not lead to a differential symptom response. These findings provide an initial insight into the scientific foundations for the symptom provocation model that is integral to the currently accepted clinical postconcussion return-to-play protocol.
Hopin Lee; S John Sullivan; Anthony G Schneiders
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-13
Journal Detail:
Title:  Journal of science and medicine in sport / Sports Medicine Australia     Volume:  -     ISSN:  1878-1861     ISO Abbreviation:  J Sci Med Sport     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-5-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9812598     Medline TA:  J Sci Med Sport     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.
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