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Static ankle impedance in stroke and multiple sclerosis: Feasibility study

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Authors
Lee, Hyunglae; Patterson, Tara; Ahn, Jooeun; Klenk, Daniel; Lo, Albert; Krebs, Hermano Igo; Hogan, Neville
Issue Date
2011-09-03
Publisher
IEEE
Citation
2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC, pp. 8523-8526
Keywords
Static ankle impedance in stroke and multiple sclerosis: Feasibility study복합학
Abstract
Quantitative characterization of ankle mechanical impedance is critical for understanding lower extremity function in persons with neurological disorders. In this paper, we examine the feasibility of employing an ankle robot and multivariable analysis to determine static ankle impedance in 4 patients: 1 with multiple sclerosis and 3 with stroke. We employed a scalar based vector field approximation method which was successful in identifying young healthy subjects' ankle impedance. It enabled clear interpretation of spatial ankle impedance structure and intermuscular feedback at the ankle for both affected and unaffected legs. Measured impedance of two patients was comparable to healthy young subjects, while the other two patients had significantly different static ankle impedance properties.
ISSN
1094-687X
URI
https://hdl.handle.net/10371/116810
DOI
https://doi.org/10.1109/IEMBS.2011.6092103
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College of Education (사범대학)Dept. of Physical Education (체육교육과)Others_체육교육과
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