Conference paper

Improvement of rehabilitation possibilities with the MotionMaker™

"MotionMakertrade" is a stationary programmable test and training system for the lower limbs developed at the 'Ecole Polytechnique Federale de Lausanne' with the 'Fondation Suisse pour les Cybertheses'. The system is composed of two robotic orthoses comprising motors and sensors, and a control unit managing the trans- cutaneous electrical muscle stimulation with real-time regulation. The control of the functional electrical stimulation (FES) induced muscle force necessary to mimic natural exercise is ensured by the control unit which receives a continuous input from the position and force sensors mounted on the robot. First results with control subjects showed the feasibility of creating movements by such closed-loop controlled FES induced muscle contractions. To make exercising with the MotionMakertrade safe for clinical trials with spinal cord injured (SCI) volunteers, several original safety features have been introduced. The MotionMakertrade is able to identify and manage the occurrence of spasms. Fatigue can also be detected and overfatigue during exercise prevented


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