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Hybrid Robot+FES Stroke Rehabilitation
Sponsor: University of Maryland, Baltimore
Summary
The investigators have developed a novel robot-guided stretching under intelligent control and combine it with active movement training, which helped increase joint ROM, reduce spasticity and joint stiffness, increase muscle force output, and improve locomotion. However, for stroke survivors with sensorimotor impairment, their peripheral muscle may not sufficiently be recruited. Functional electrical stimulation (FES), has been shown its advantage to activate the peripheral muscles for people with neurological conditions. The investigators thus make a hybrid robot-FES rehabilitation system, combining the advantage of robot and FES technologies for stroke motor recovery. The investigators further would like to translate the technologies from lab to home-based training. Thus, the investigators will conduct a randomized, controlled, primarily home-based clinical trial using an ankle robot alone or combined with functional electrical stimulation (FES) to treat sensorimotor and locomotion impairments post-stroke.
Official title: Assessment Followed by Home-based Hybrid Robot + FES Rehabilitation Post-stroke
Key Details
Gender
All
Age Range
18 Years - 85 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2021-08-01
Completion Date
2026-12-31
Last Updated
2025-12-18
Healthy Volunteers
No
Conditions
Interventions
Ankle robot training group
Patients will be seated with the paretic foot strapped to the footplate the knee at full extension. The operator will set up and measure (using the robot) ankle passive DF and PF ROM limits. The robot training will include passive stretching, robot interactive game-based training, and cool-down stretching.
Ankle robot training and functional electrical stimulation(FES) group
Patients will use the ankle robot device as the ankle training group. Also, water-based FES electrodes positioned inside a soft garment will be secured over the DF and PF muscles by wrapping the garment around the leg just below the knee joint. Stimulation intensity will be increased to maximal tolerance of each participant. Electrically induced contraction timing will be triggered by the ankle robot in synchrony with the ankle dorsi and plantar flexion movements.
Locations (1)
University of Maryland School of Medicine
Baltimore, Maryland, United States