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Clinical Trial Summary

Post-stroke, people suffer various sensorimotor and cognitive deficits that lead to impaired balance control and gait functions thereby increasing the risk of falls. Despite undergoing exercise training in stroke rehabilitation to enhance balance control and gait functions, the risk of falls in the community-dwelling chronic stroke population persists. Given that motor and cognitive functions are required as a part of daily living, performing activities at home and in the community become challenging. Additionally, performance of daily living activities involves the simultaneous performance of motor and cognitive tasks known as dual-tasking. Based on previous literature, dual-tasking leads to deteriorated motor and/or cognitive task performance known as cognitive-motor interference. The pattern of cognitive-motor interference varies with the complexity and type of motor or cognitive task being performed. Dual-task gait and balance training has been adopted by many and identified to be a beneficial method to enhance overall functions. These studies have used Virtual-reality interface that provides immediate biofeedback, and may implicitly address certain domains of cognition (visuospatial awareness, attention) associated with risk of falls. However, such training is unable to train explicit cognitive domains such as executive functions that are highly associated with balance control, gait functions, daily living activities, and fall risk. Therefore, this pilot study aimed to identify the efficacy of cognitive-motor training using Wii-fit Nintendo to reduce cognitive-motor interference during dual-tasking.

Clinical Trial Description

While conventional balance training facilitates balance control and gait functions, the exercises involved in the training are labor intensive, highly repetitious leading to monotonicity and decreased motivation levels. Therefore, many health care researchers are involved in identifying various methods to reduce the risk of falls addressing the barriers in conventional training method while having the potential to translate it at home. A pilot study identified that a supplementary cognitive training along with Wii-fit balance training resulted in improving dual-task volitional balance control. Based on this preliminary finding, this current pilot study aimed to identify the efficacy of cognitive-motor exergaming (with Wii-fit) on domains of balance control and cognition among people with chronic stroke to reduce the cognitive-motor interference during dual-tasking. This pilot study used Wii-fit Nintendo, an off the shelf, commercially available and a cost-effective device that provides similar benefits of Virtual-reality training. Community-dwelling people with chronic stroke involved in the study underwent 6 weeks of cognitive-motor exergaming or conventional balance training in a tapering manner in a laboratory setting. Participants were assessed for motor and cognitive performance in the laboratory during volitional and reactive balance control while performing a secondary cognitive task. The performance outcome determined the effect on cognitive-motor interference during dual-tasking. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT03758846
Study type Interventional
Source University of Illinois at Chicago
Status Completed
Phase N/A
Start date December 4, 2014
Completion date October 25, 2016

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