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Updated: May 28, 2026
Application of a Dual Upper Limb Task-Oriented Robotic System for the Functional Recovery of the Upper Limb in Stroke Patients
Published on: October 11, 2024
A personalized sensor-controlled microstimulator system for arm rehabilitation poststroke. Part 2: Objective outcomes
Jane H Burridge1, Ruth Turk, Daniel Merrill
1University of Southampton, School of Health Sciences, and Southampton University Hospitals NHS Trust, Southampton, UK. jhb1@soton.ac.uk
Objective:
To examine the effect of home-based electrical stimulation using closed-loop control of implanted microstimulators on upper limb function and impairment, and subjects' perception of the system.
Materials And Methods:
Six subjects with poststroke hemiparesis, and reduced upper limb function, who had taken part in Phase 1 of the study, were fitted with a personalized closed-loop control system (Phase 2) and used it at home during performance of functional tasks for 12 weeks (Phase 3). Main outcome measures were: Action Research Arm Test (ARAT), Fugl-Meyer upper limb assessment (FMA), and motor control (Tracking Index). Subjects' perception of the system was assessed in a structured interview.
Results:
Improvement in ARAT (p=0.05), FMA (p=0.02), and Tracking Index (p=0.03) during Phase 3. Five subjects said using the system had changed their lives and improved their function, all performed functional tasks with the system, but external components were inconvenient.
Conclusions:
Closed-loop control improved in function. Subjective assessment identified that the external sensors were effective.
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