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New investigation or diagnostic strategies
Effects of exercise on symptoms, cognitive and motor performance tasks using the sport concussion assessment tool (SCAT2) in healthy young adults and children
  1. Nour Boutros1,
  2. Mary Catherine Norcia1,
  3. Jamila Sammouda1,
  4. Chi-Lan Tran1,
  5. Isabelle Pearson1,
  6. Isabelle Gagnon1,2,3,*
  1. 1School of Physical and Occupational Therapy, McGill University, Canada
  2. 2Trauma Programs, The Montreal Children's Hospital, McGill University Health Center Canada
  3. 3Department of Pediatrics, McGill University, Canada

    Abstract

    Objective To document the effect of high intensity exercise on the Sport Concussion Assessment Tool 2 (SCAT2) scores in healthy young adults and children.

    Design Repeated measures design.

    Setting McGill University Athletics Department (adults) and Elementary School in the Montreal area (children).

    Participants Seventy six healthy young adults (45 women and 31 men, mean age 22.5±1.9 years) and 13 children (6 girls and 7 boys, mean age 10.7±0.4 years) participated in this study.

    Intervention Participants performed the Léger Test, a maximal multistage 20 m shuttle run test, to their perceived volitional exhaustion.

    Main Outcome Measurements The SCAT2 was used to evaluate participants at rest, 2 min and 25 min post-exercise.

    Results In adults, total SCAT2 scores were significantly decreased immediately after high intensity exercise (p<0.001) and returned to baseline after the allocated rest period (p=0.350). Individual components of the SCAT2 also reflected this for symptom severity (p<0.001), and total balance score (p<0.001). High intensity exercise had no effect on delayed recall memory (p=0.242). Children in our small sample revealed a tendency for a similar impact of high intensity exercise on SCAT2 scores although statistical significance was not reached.

    Conclusions High intensity exercise, such as that achieved during a sporting event, has an impact on aspects of functioning assessed by the SCAT2.

    Clinical Relevance In order to eliminate the effects of exercise when testing individuals on the field immediately post-injury, professionals should allow for proper rest before using the SCAT2.

    Acknowledgements Participants and their families, Gardenview Elementary School for allowing testing within their institutions, Fonds de recherche du Québec-Santé, School of Physical and Occupational Therapy McGill University.

    Competing interests None.

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