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A novel body weight support system extension: initial concept and simulation study.

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    A new body weight support system for treadmill training significantly reduces lateral forces, improving balance during gait rehabilitation after stroke or spinal cord injury.

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    Area of Science:

    • Rehabilitation Engineering
    • Biomechanics
    • Gait Analysis

    Background:

    • Body weight supported treadmill training aids recovery from stroke and spinal cord injury.
    • Existing systems with fixed pulleys can impede lateral balance due to cable forces.
    • Effective lateral balance is crucial for successful gait rehabilitation.

    Purpose of the Study:

    • To introduce a novel body weight support system extension for treadmill training.
    • To reduce lateral forces experienced by users during gait rehabilitation.
    • To enhance balance training capabilities in rehabilitation settings.

    Main Methods:

    • Development of a novel pulley and trolley system for body weight support.
    • Creation of a mathematical model for the new device.
    • Simulation of the system with a basic feedback controller.

    Main Results:

    • The novel system significantly reduces lateral forces compared to fixed pulley configurations.
    • Simulations demonstrate the effectiveness of the proposed design.
    • The system allows for more natural lateral balance during assisted walking.

    Conclusions:

    • The novel body weight support system extension is effective in minimizing disruptive lateral forces.
    • This innovation can improve the quality of balance training in gait rehabilitation.
    • The device offers a promising advancement for stroke and spinal cord injury recovery programs.