Tracking postural stability of young concussion patients using dual-task interference

Jason C. Dorman, Verle D. Valentine, Thayne A. Munce, B. Joel Tjarks, Paul A. Thompson, Michael F. Bergeron

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Objectives: This study examined the diagnostic benefit of using dual-task interference balance testing in young concussion patients and the longitudinal changes in postural stability that occur relative to other standard clinical assessments of concussion injury. Design: Longitudinal, case-control. Methods: Eighteen patients (16.6 (1.6). y) diagnosed with a concussion provided 22 separate ratings to characterize the severity of their current concussion-related symptoms and were evaluated for postural stability at each of four clinical visits. Twenty-six injury-free adolescents (17 (2.8). y) performed balance testing on two occasions, separated by ~1 week. Results: There was a progressive decrease in self-reported symptoms from visit 1 to visit 4 (P<. 0.0001-0.001). A similar improvement occurred in postural stability, indicated by 95% ellipse area and velocity. However, the differences in ellipse area and velocity were significant only between visit 1 and the rest of the visits as a whole (P<. 0.0001-0.05). There was a significant difference between concussion patients and healthy, injury-free participants in ellipse area and velocity during visit 1. A group difference was also observed in ellipse area on visit 2, but only during the two balance tests that involved a concomitant secondary cognitive task. Conclusions: Improvements in postural stability coincide with reductions in reported symptoms, though apparent recovery of these selected measures of postural stability seemingly occurs sooner. Because of the distinguishing time course of recovery indicated by dual-task interference balance testing, this type of balance testing assessment may be particularly valuable in evaluating integrated functional impairment and recovery in young concussion patients.

Original languageEnglish (US)
Pages (from-to)2-7
Number of pages6
JournalJournal of Science and Medicine in Sport
Volume18
Issue number1
DOIs
StatePublished - Jan 1 2015

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Keywords

  • Balance
  • Brain injury
  • Clinical assessment
  • Cognitive function
  • Injury management

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Tracking postural stability of young concussion patients using dual-task interference. / Dorman, Jason C.; Valentine, Verle D.; Munce, Thayne A.; Tjarks, B. Joel; Thompson, Paul A.; Bergeron, Michael F.

In: Journal of Science and Medicine in Sport, Vol. 18, No. 1, 01.01.2015, p. 2-7.

Research output: Contribution to journalArticle

Dorman, Jason C. ; Valentine, Verle D. ; Munce, Thayne A. ; Tjarks, B. Joel ; Thompson, Paul A. ; Bergeron, Michael F. / Tracking postural stability of young concussion patients using dual-task interference. In: Journal of Science and Medicine in Sport. 2015 ; Vol. 18, No. 1. pp. 2-7.
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