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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Innovative gait robot for the repetitive practice of floor walking and stair climbing up and down in stroke patients | Hesse et al. Journal of NeuroEngineering and Rehabilitation 2010 7 30 http www.jneuroengrehab.eom content 7 1 30 J NER JOURNAL OF NEUROENGINEERING AND REHABILITATION RESEARCH Open Access Innovative gait robot for the repetitive practice of floor walking and stair climbing up and down in stroke patients Stefan Hesse 1 Andreas Waldner2 3 and ChristopherTomelleri2 Abstract Background Stair climbing up and down is an essential part of everyday s mobility. To enable wheelchair-dependent patients the repetitive practice of this task a novel gait robot G-EO-Systems EO Lat I walk based on the end-effector principle has been designed. The trajectories of the foot plates are freely programmable enabling not only the practice of simulated floor walking but also stair climbing up and down. The article intended to compare lower limb muscle activation patterns of hemiparetic subjects during real floor walking and stairs climbing up and during the corresponding simulated conditions on the machine and secondly to demonstrate gait improvement on single case after training on the machine. Methods The muscle activation pattern of seven lower limb muscles of six hemiparetic patients during free and simulated walking on the floor and stair climbing was measured via dynamic electromyography. A non-ambulatory sub-acute stroke patient additionally trained on the G-EO-Systems every workday for five weeks. Results The muscle activation patterns were comparable during the real and simulated conditions both on the floor and during stair climbing up. Minor differences concerning the real and simulated floor walking conditions were a delayed prolonged onset duration of the thigh muscle activation on the machine across all subjects. Concerning stair climbing conditions the shank muscle activation was more phasic and timely correct in selected patients on the device. The severely affected subject regained walking and stair climbing ability. Conclusions The G-EO-Systems is an interesting new .
