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Preliminary investigation of the efficacy of clinically practical dual-task tests as a concussion assessment tool : a comparison of single-and dual-task tests on healthy young adults
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|Title:||Preliminary investigation of the efficacy of clinically practical dual-task tests as a concussion assessment tool : a comparison of single-and dual-task tests on healthy young adults|
|Authors:||Finer, Liana Mariko|
|Keywords:||Expanded Timed Get-Up-and-Go (ETGUG)|
|Issue Date:||Aug 2014|
|Publisher:||[Honolulu] : [University of Hawaii at Manoa], [August 2014]|
|Abstract:||Context: Dual-Task testing, which requires a person to perform both a cognitive and physical task simultaneously, has been suggested as an additional concussion assessment tool. Previous Dual-Task research has focused on various laboratory based tests and has not yet reached a consensus on a Dual-Task combination that can be utilized in the clinical setting for assessing sport-related concussions. Design: A randomized repeated-measure design. Objective: To develop Dual-Task tests using clinically practical physical and cognitive tasks. The effect of Dual-Task tests was investigated by comparing the outcome measures to that of Single-Task tests on healthy subjects. Method: 54 healthy participants were recruited. Testing involved one physical task and three cognitive tasks. Repeated Measure Analysis of Variance (ANOVA) and paired t-tests were performed on SPSS v22.0 with an alpha level of p<0.05. Intraclass Correlation Coefficient (ICC 2,1) was used to analyze test-retest reliability between sessions. Interventions: Testing involved one physical task [Expanded Timed Get-Up-and-Go (ETGUG)] and three cognitive tasks [Backward Digit Recall (BDR), Serial Sevens (SS), and Auditory Pure Switch Task (APST)]. Participants performed all tasks as Single-Task and all combinations of physical and cognitive tasks as Dual-Task in randomized order, with the same investigator recording each score. Main Outcome Measures: Time to completion for the ETGUG was recorded and Error, Digit Span, Accuracy, and Response Rate were recorded for each cognitive task were compared between Single-and Dual-Task testing conditions. Results: Repeated Measure ANOVA indicated that ETGUG time to completion significantly increased when paired with any of the three cognitive tasks [(BDR: 26.013 seconds, SS: 25.734 seconds, and APST: 22.302 seconds) vs. Single-Task ETGUG: 20.082 seconds (p<0.001)]. Among the three cognitive tasks, Response Rate for SS and APST significantly decreased when paired with ETGUG (SS: p<0.01; APST: p=0.024). Test-retest reliability (ICC) for the ETGUG ranged from 0.71 to 0.94. Conclusions: The current study utilized clinically practical physical and cognitive tests to develop Dual-Task combinations on a healthy population. Based on the results, these Dual-Task combinations had similar effects as shown in previous research and may show promise as part of developing a practical, clinically based dual-task test for assessing concussion. Future studies should include application of these Dual-Task tests to a concussed population to investigate the efficacy of the Dual-Task tests in identifying concussion deficits.|
|Description:||M.S. University of Hawaii at Manoa 2014.|
Includes bibliographical references.
|Rights:||All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.|
|Appears in Collections:||M.S. - Kinesiology and Rehabilitation Science|
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