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Feasibility of dynamic entrainment with ankle mechanical perturbation to treat locomotor deficits of neurologically impaired patients

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Authors
Ahn, Jooeun; Patterson, Tara; Lee, Hyunglae; 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. 7474-7477
Keywords
Feasibility of dynamic entrainment with ankle mechanical perturbation to treat locomotor deficits of neurologically impaired patients복합학
Abstract
Entraining human gait with periodic torque from a robot may provide a novel approach to robot-aided walking therapy that is competent to exploit the natural oscillating dynamics of human walking. To test the feasibility of this strategy we applied a periodic ankle torque to neurologically impaired patients (one with stroke and one with multiple sclerosis). As observed in normal human walking, both patients adapted their gait periods to synchronize with the perturbation by phase-locking the robotic torque at terminal stance phase. In addition, their gait cadence became significantly faster due to the training with clear after effects when the perturbation ceased. These results support a new strategy for walking therapy that exploits an embedded neural oscillator interacting with peripheral mechanics and the resulting natural dynamics of walking, which are essential but hitherto neglected elements of walking therapy.
ISSN
1094-687X
URI
http://hdl.handle.net/10371/116809
DOI
https://doi.org/10.1109/IEMBS.2011.6091844
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College of Education (사범대학)Dept. of Physical Education (체육교육과)Others_체육교육과
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