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Related Experiment Video

Updated: Jul 15, 2026

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton
09:46

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton

Published on: June 16, 2016

How Changes in Muscle Activity and Range of Motion Represent User Perceptions of Back-support Exoskeleton

Niromand Jasimi Zindashti, Negar Riahi, Ali Golabchi

    IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
    |July 13, 2026
    PubMed
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    This study reveals that user comfort, pain, and mobility are key factors in soft back-support exoskeleton perception. Users often balance comfort and support when selecting an exoskeleton, influencing overall experience.

    Area of Science:

    • Biomechanics
    • Human-Computer Interaction
    • Wearable Technology

    Background:

    • Objective metrics for exoskeleton performance lack alignment with user perception.
    • Understanding user perception is crucial for developing effective soft back-support exoskeletons.

    Purpose of the Study:

    • Investigate relationships between muscle activity, joint kinematics, and user perceptions (comfort, support, pain, mobility, overall experience) of soft back-support exoskeletons.
    • Examine how user preferences across subjective factors influence exoskeleton selection.
    • Assess the alignment between subjective feedback and objective biomechanical metrics.

    Main Methods:

    • Ten able-bodied individuals performed trunk bending and weight-lifting tasks with various soft back-support exoskeleton configurations.

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    Related Experiment Videos

    Last Updated: Jul 15, 2026

    Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton
    09:46

    Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton

    Published on: June 16, 2016

    Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation
    06:28

    Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation

    Published on: December 13, 2024

  • Recorded lower back muscle activity and trunk/knee joint kinematics using wearable sensors.
  • Quantified similarity between subjective feedback and objective metrics using a similarity index.

    • Main Results:

    • User perceptions of comfort, pain absence, and mobility restriction showed high consistency (>90%).
    • Participants preferred low-strength bands for comfort and mobility, but high-strength for biomechanical support.
    • Exoskeleton selections represented a compromise between comfort and support preferences.
    • Comfort, pain absence, and mobility were strongly linked to trunk range of motion (p < 0.01).
    • Muscle activity partially reflected perceived support (median similarity 73.7% for bending, 63.6% for lifting).

    Conclusions:

    • User perception of soft back-support exoskeletons is multifaceted, encompassing comfort, pain, and mobility.
    • Exoskeleton selection involves balancing competing user preferences for comfort and biomechanical support.
    • Trunk range of motion is a significant objective correlate of key user perceptions.
    • Muscle activity offers some insight into perceived support, but user experience is complex.
    • Findings provide a foundation for aligning objective biomechanical metrics with subjective user experience in exoskeleton design.