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    MIT-Skywalker: Considerations on the Design of a Body Weight Support System

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    Author
    Gonçalves, R.S.
    Krebs, H.I.
    Date
    2017
    Journal
    Journal of NeuroEngineering and Rehabilitation
    Publisher
    BioMed Central Ltd.
    Type
    Article
    
    Metadata
    Show full item record
    See at
    https://doi.org/10.1186/s12984-017-0302-6
    Abstract
    Background: To provide body weight support during walking and balance training, one can employ two distinct embodiments: support through a harness hanging from an overhead system or support through a saddle/seat type. This paper presents a comparison of these two approaches. Ultimately, this comparison determined our selection of the body weight support system employed in the MIT-Skywalker, a robotic device developed for the rehabilitation/habilitation of gait and balance after a neurological injury. Method: Here we will summarize our results with eight healthy subjects walking on the treadmill without any support, with 30% unloading supported by a harness hanging from an overhead system, and with a saddle/seat-like support system. We compared the center of mass as well as vertical and mediolateral trunk displacements across different walking speeds and support. Results: The bicycle/saddle system had the highest values for the mediolateral inclination, while the overhead harness body weight support showed the lowest values at all speeds. The differences were statistically significant. Conclusion: We selected the bicycle/saddle system for the MIT-Skywalker. It allows faster don-and-doff, better centers the patient to the split treadmill, and allows all forms of training. The overhead harness body weight support might be adequate for rhythmic walking training but limits any potential for balance training. Copyright 2017 The Author(s).
    Keyword
    Balance
    Body weight support system
    Gait
    Lower extremity
    Rehabilitation robotics
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85028921881&doi=10.1186%2fs12984-017-0302-6&partnerID=40&md5=2ca633803044eaf80613aa7605900cb4; http://hdl.handle.net/10713/10956
    ae974a485f413a2113503eed53cd6c53
    10.1186/s12984-017-0302-6
    Scopus Count
    Collections
    UMB Open Access Articles 2017

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