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Effects of a dual-task activity on gait parameters of people with and without intellectual disabilities

Resumen

Objective: The main objective of this study was to evaluate gait parameters in people with intellectual disability (ID) and without intellectual disability (WID) in two different walking conditions (single task vs. dual task [DT]). A secondary aim was to evaluate the dual task cost (DTC) that the DT causes in each group. Methods: A total of 119 participants joined in this study, 56 ID (30 men) and 63 WID (30 men). The Optogait system was used to assess gait. In addition, witty photocells were added to assess gait under the DT condition. Results: Single support time was lower for participants with ID (p<0.01), while double support time was higher (p<0.05). All coefficients of variation (Cv) for gait parameters were higher in participants with ID. Additionally, changes in gait were observed in both groups during the DT condition compared to the ST condition. These changes were larger for participants with ID in step length, double support time, and gait speed (p<0.001), resulting in a higher DTC in these variables in the ID group (p<0.01). Conclusion: Both groups reduced gait performance in the DT condition. However, greater gait variability occurred in the ID group. In addition, DTC was higher for the ID group in all variables analysed. Therefore, people with ID show worsening gait performance during a DT than people WID.

Descripción

Palabras clave

Adults, Dual Task, Mild and moderate disability, Motor control, Spatiotemporal Gait parameters

Citación

Cabrera‐Linares, J. C., Latorre Román, P. Á., Párraga Montilla, J. A., Andrade‐Lara, K. E., Ruiz‐Peralvarez, F. J., & Gutierrez‐Cruz, C. (2024). Effects of a dual‐task activity on gait parameters of people with and without intellectual disabilities. Journal of Intellectual Disability Research, 68(6), 610-619.