tailieunhanh - Báo cáo khoa hoc:" Locomotor adaptation to a powered ankle-foot orthosis depends on control method"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Locomotor adaptation to a powered ankle-foot orthosis depends on control method | Journal of NeuroEngineering and Rehabilitation BioMed Central Research Locomotor adaptation to a powered ankle-foot orthosis depends on control method Stephen M Cain 1 4 Keith E Gordon2 4 and Daniel P Ferris1 2 3 4 Address Department of Biomedical Engineering University of Michigan 1107 Carl A. Gerstacker 2200 Bonisteel Blvd. Ann Arbor MI 481092099 USA 2Division of Kinesiology University of Michigan 401 Washtenaw Avenue Ann Arbor MI 48109-2214 USA 3Department of Physical Medicine and Rehabilitation University of Michigan Ann Arbor MI 48109 USA and 4Human Neuromechanics Laboratory University of Michigan 401 Washtenaw Avenue Ann Arbor MI 48109-2214 USA Email Stephen M Cain - smcain@ Keith E Gordon - keith-gordon@ Daniel P Ferris - ferrisdp@ Corresponding author Open Access Published 21 December 2007 Received 7 March 2007 Journal of NeuroEngineering and Rehabilitation 2007 4 48 doi l743-0003-4-48 Accepted 21 December 2007 This article is available from http content 4 1 48 2007 Cain et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background We studied human locomotor adaptation to powered ankle-foot orthoses with the intent of identifying differences between two different orthosis control methods. The first orthosis control method used a footswitch to provide bang-bang control a kinematic control and the second orthosis control method used a proportional myoelectric signal from the soleus a physiological control . Both controllers activated an artificial pneumatic muscle providing plantar flexion torque. Methods Subjects walked on a treadmill for two thirty-minute .

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