Abstract
PURPOSE: Aside from typical symptoms such as dizziness and vertigo, persons with vestibular disorders often have cognitive and motor problems. These symptoms have been assessed in single-task condition. However, dual-tasks assessing cognitive-motor interference might be an added value as they reflect daily life situations better. Therefore, the 2BALANCE protocol was developed. In the current study, the test-retest reliability of this protocol was assessed.
METHODS: The 2BALANCE protocol was performed twice in 20 healthy young adults with an in-between test interval of two weeks. Two motor tasks and five different cognitive tasks were performed in single and dual-task condition. Intraclass correlation coefficients (ICC), the standard error of measurement, and the minimal detectable difference were calculated.
RESULTS: All cognitive tasks, with the exception of the mental rotation task, had favorable reliability results (0.26≤ICC≤0.91). The dynamic motor task indicated overall substantial reliability values in all conditions (0.67≤ICC≤0.98). Similar results were found for the static motor task during dual-tasking (0.50≤ICC≤0.92), but were slightly lower in single-task condition (-0.26≤ICC≤0.75).
CONCLUSIONS: The 2BALANCE protocol was overall consistent across trials. However, the mental rotation task showed lowest reliability values.
Original language | English |
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Pages (from-to) | 341-353 |
Number of pages | 13 |
Journal | Journal of Vestibular Research-Equilibrium & Orientation |
Volume | 32 |
Issue number | 4 |
Early online date | 26 Dec 2021 |
DOIs | |
Publication status | Published - 2022 |
Keywords
- BALANCE
- Dual-task
- INTRACLASS CORRELATION-COEFFICIENT
- MINIMAL DETECTABLE CHANGE
- PERFORMANCE
- POSTURAL INTERFERENCE
- SPATIAL MEMORY
- cognition
- cognitive-motor interference
- gait and posture
- test-retest reliability