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Related Experiment Video

Updated: Feb 6, 2026

Brain-Computer Interface-controlled Upper Limb Robotic System for Enhancing Daily Activities in Stroke Patients
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Evaluation of Control Interfaces for Active Trunk Support.

Stergios Verros, Nauzef Mahmood, Laura Peeters

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    Summary
    This summary is machine-generated.

    Joystick and sternum force interfaces offer the fastest control for a novel trunk support device, proving feasible for individuals with Duchenne muscular dystrophy. These findings aid in developing effective assistive technologies.

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    Area of Science:

    • Rehabilitation Engineering
    • Assistive Technology
    • Human-Computer Interaction

    Background:

    • Duchenne muscular dystrophy (DMD) impacts trunk mobility, necessitating assistive devices.
    • Evaluating user control interfaces is crucial for effective assistive technology design.
    • Novel trunk support devices require user-friendly and efficient control mechanisms.

    Purpose of the Study:

    • To assess the feasibility and performance of different control interfaces for a novel trunk support device (Trunk Drive).
    • To compare the efficacy of joystick, sternum force, feet force, and electromyography (EMG) control for trunk support.
    • To identify optimal control strategies for individuals with Duchenne muscular dystrophy.

    Main Methods:

    • A feasibility study was conducted using a one-degree-of-freedom active trunk support device.
    • Ten healthy male subjects participated in a discrete position tracking task based on Fitts' Law.
    • Performance was evaluated using joystick, sternum force, feet force, and EMG control interfaces.

    Main Results:

    • Joystick and sternum force interfaces demonstrated significantly faster movement times (over 40% improvement).
    • No significant performance difference was found between joystick and sternum force controls.
    • Sternum force control showed significant advantages over EMG and feet force controls.

    Conclusions:

    • All evaluated control interfaces (joystick, sternum force, feet force, EMG) are feasible for controlling the Trunk Drive.
    • Joystick and sternum force offer the most efficient control for this assistive device.
    • The findings support the development of tailored control strategies for trunk support systems.