Reduction of muscle activity during repeated reach and retrieval with gravity compensation in stroke patients

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    Active movement of the affected arm is important in the training of arm function after stroke. By supporting the weight of the arm during movements, either in conventional treatment or in other approaches such as robot-aided therapy, active arm movements can be facilitated. Studies into the influence of arm support display encouraging results for its use in post-stroke arm rehabilitation. The objective of the present study was to investigate the influence of gravity compensation on muscle activity during reach and retrieval movements of stroke patients. Eight stroke patients performed repeated reach and retrieval movements with and without gravity compensation. Comparison of muscle activity of shoulder and elbow muscles in both conditions showed that the level of muscle activity was reduced with gravity compensation, while movement execution was comparable. This implies that gravity compensation may facilitate active use of the arm during post-stroke rehabilitation.
    Original languageUndefined
    Title of host publicationIEEE 10th International Conference on Rehabilitation Robotics (ICORR 2007)
    EditorsJust L. Herder G.J. Gelderblom Bart Driessen
    Place of PublicationPiscataway, NJ 08855-1331
    Number of pages5
    ISBN (Print)978-1-4244-1319-5
    Publication statusPublished - 12 Jun 2007
    EventIEEE 10th International Conference on Rehabilitations Robotics, ICORR 2007: Robots care! - Noordwijk, Netherlands
    Duration: 13 Jun 200715 Jun 2007
    Conference number: 10

    Publication series



    ConferenceIEEE 10th International Conference on Rehabilitations Robotics, ICORR 2007
    Abbreviated titleICORR


    • METIS-240618
    • gravity compensation
    • poststroke arm rehabilitation
    • Stroke patients
    • EWI-19867
    • Active arm movements
    • IR-76474
    • BSS-Biomechatronics and rehabilitation technology
    • robot-aided therapy
    • muscle activity reduction

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