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The basin of entrainment of human gait under mechanical perturbation

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Authors
Ahn, Jooeun; Hogan, Neville
Issue Date
2008-10-22
Publisher
ASME Dynamic Systems and Control Division
Citation
ASME 2008 Dynamic Systems and Control Conference, pp. 477-479
Keywords
The basin of entrainment of human gait under mechanical perturbation공학TorqueEnginesRobotsRoboticsCyclesPatient treatmentNervous system
Abstract
Using Anklebot, a therapeutic robot module, we perturbed human gait by applying external torque to the human ankle at various frequencies. We observed that with a properly designed perturbation, 8 subjects out of 10 exhibited entrained gaits: their gait frequencies were adapted to the frequency of mechanical perturbation, and they synchronized their ankle actuation with the external torque supplied by the robot. This preliminary result suggests that a limit-cycle oscillator, a plausible element of the coupled system of central nervous system and musculo-skeletal periphery, plays a significant role in the neuro-motor execution of human locomotion. The entrainment of human gait by periodic torque from a robotic aid may provide a novel approach to walking therapy that is uniquely supportive of normal biological function.
URI
http://hdl.handle.net/10371/116801
DOI
https://doi.org/10.1115/DSCC2008-2168
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College of Education (사범대학)Dept. of Physical Education (체육교육과)Journal Papers (저널논문_체육교육과)
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