Walking Faster and Farther With a Soft Robotic Exosuit: Implications for Post-Stroke Gait Assistance and Rehabilitation
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OBJECTIVE: Soft robotic exosuits can improve the mechanics and energetics of walking after stroke. Building on this prior work, we evaluated the effects of the first prototype of a portable soft robotic exosuit. METHODS: Exosuit-induced changes in the overground walking speed, distance, and energy expenditure of individuals post-stroke were evaluated statistically with alpha set to 0.05 and compared to minimal clinically important difference scores. RESULTS: 5kg exosuit did not substantially modify walking speed, distance, or energy expenditure when worn unpowered. In contrast, when the exosuit was powered on to provide an average 22.87±0.58 %bodyweight of plantarflexor force assistance during the paretic limb's stance phase and assist the paretic dorsiflexors during swing phase to reduce drop-foot, study participants walked a median 0.14±0.06 m/s faster during the 10-meter walk test and traveled 32±8 m farther during the six minute walk test. CONCLUSIONS: Individuals post-stroke can leverage the paretic plantarflexor and dorsiflexor assistance provided by soft robotic exosuits to achieve clinically-meaningful increases in speed and distance.
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A soft exosuit incorporating plantarflexor and dorsiflexor assistance exhibited promising outcomes in enhancing walking speed and distance for post-stroke patients.
“The incorporation of plantarflexor and dorsiflexor assistance within the soft exosuit exhibited promising outcomes in terms of enhancing walking speed and distance for post-stroke patients.”
From Artificial intelligence enhanced sensors - enabling technologies to next-generation healthcare and biomedical platform (2023) · cites this paper as Awad et al. 2020
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- Authors
- Awad, L. N., Kudzia, P., Revi, D. A., Ellis, T. D., & Walsh, C. J.
- Affiliations
- Boston University (US)
- Harvard University (US)
- Corresponding author
- Awad, Louis N.
- Walsh, Conor J.
- Venue
- IEEE Open Journal of Engineering in Medicine and Biology
- Published
- 2020
- Volume
- 1
- Pages
- 108-115
- ISSN
- 2644-1276 (ISSN-L)
- PMC
- PMC7971412
- OpenAlex
- W3014201768
- Cited by
- 111
- References
- 36
- Citations by year
- 2026: 9 · 2025: 19 · 2024: 17 · 2023: 19 · 2022: 23 · 2021: 18 · 2020: 6
- FWCI
- 5.18
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- IEEE Open Journal of Engineering in Medicine and Biology (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Institutes of Health (R01HD088619)
- American Heart Association (18TPA34170171)
- Wyss Institute at Harvard University
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Prosthetics and Rehabilitation Robotics
- Health Sciences › Medicine › Rehabilitation › Stroke Rehabilitation and Recovery
- Physical Sciences › Engineering › Biomedical Engineering › Soft Robotics and Applications
- Keywords
- stroke rehabilitation, gait assistance, walking speed, walking distance, energy expenditure, foot drop, paretic limb, powered exoskeleton, overground walking
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