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Related Experiment Video

Updated: May 25, 2026

An Experiment Using Functional Near-Infrared Spectroscopy and Robot-Assisted Multi-Joint Pointing Movements of the Lower Limb
05:25

An Experiment Using Functional Near-Infrared Spectroscopy and Robot-Assisted Multi-Joint Pointing Movements of the Lower Limb

Published on: June 7, 2024

Quantifying lower limb joint position sense using a robotic exoskeleton: a pilot study.

Antoinette Domingo1, Eric Marriott, Remco Benthem de Grave

  • 1School of Human Kinetics, International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, BC, Canada.

IEEE ... International Conference on Rehabilitation Robotics : [Proceedings]
|January 26, 2012
PubMed
Summary

This study developed a robotic system to quantitatively measure joint position sense after spinal cord injury (SCI). Results show the system accurately assesses proprioception, crucial for motor control recovery.

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Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Biomedical Engineering

Background:

  • Spinal cord injury (SCI) recovery research often prioritizes motor function over sensory skills.
  • Accurate assessment of sensory function is vital for evaluating treatment efficacy.
  • Proprioception, the sense of limb position and movement, is critical for motor control but lacks precise clinical measurement tools.

Purpose of the Study:

  • To develop and validate a quantitative assessment tool for measuring joint position sense in the legs.
  • To evaluate the efficacy of a robotic exoskeleton system for assessing proprioception.

Main Methods:

  • Utilized the Lokomat robotic exoskeleton and custom software to measure joint position sense in the hip and knee.
  • Employed two testing paradigms: remembered target angle and visual target angle.

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Quantifying Arms and Legs Contributions during Repetitive Electrically-Assisted Sit-To-Stand Exercise in Paraplegics: A Pilot Study

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Last Updated: May 25, 2026

An Experiment Using Functional Near-Infrared Spectroscopy and Robot-Assisted Multi-Joint Pointing Movements of the Lower Limb
05:25

An Experiment Using Functional Near-Infrared Spectroscopy and Robot-Assisted Multi-Joint Pointing Movements of the Lower Limb

Published on: June 7, 2024

Quantifying Arms and Legs Contributions during Repetitive Electrically-Assisted Sit-To-Stand Exercise in Paraplegics: A Pilot Study
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Quantifying Arms and Legs Contributions during Repetitive Electrically-Assisted Sit-To-Stand Exercise in Paraplegics: A Pilot Study

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  • Assessed 9 able-bodied (AB) subjects and 1 individual with incomplete SCI.

    • Main Results:

    • Able-bodied subjects demonstrated higher accuracy in the remembered task compared to the visual task.
    • Position sense accuracy was generally greater at the hip than at the knee.
    • The individual with SCI showed position sense comparable to able-bodied subjects.

    Conclusions:

    • The Lokomat system provides a quantitative and effective method for assessing joint position sense.
    • This tool can aid in monitoring sensory recovery after neurological injury, including SCI.
    • Accurate proprioception measurement is essential for comprehensive rehabilitation assessment.