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Several studies support the hypothesis that robot assisted therapy for adult subjects with motor impairments resulting from neurological damages can be beneficial in promoting the recovery process when conveyed in conjunction to conventional rehabilitation. Robotic therapy has been mainly applied to adult subjects and little is known about children or youth. This study presents the results of a robot-assisted...
3D motion analysis was applied to assess goal-directed arm movements in 15 children with cerebral palsy (CP) before and after four weeks of home training with low-cost motion interactive video games. The results indicated that the children improved movement precision when playing the virtual games, improved movement smoothness when reaching for real targets, and reduced the involvement of the trunk...
This paper aims to investigate how robotic devices can be used to understand the mechanism of sensorimotor adaptation in pediatric subjects affected by hemiparetic cerebral palsy. Previous studies showed how healthy adults, after training in presence of a systematic structured disturbing force field, show an “after effect” and therefore they highly adapt and compensate the external disturbance. An...
Figure copying is a complex visuo-motor skill that uses aspects of vision and memory to guide precisely directed action. Previous studies have shown that explicit visual training improves the copying abilities of young children. This study considers training in a haptic virtual environment as a method to improve copying abilities in people who show weak performance in such tasks, namely normally developing...
We designed a virtual hand-writing teaching system for children with handwriting difficulties due to attention or motor deficits, using a haptic interface that could provide a neutral, repetitive engaging approach to letter writing. The approach we took to accomplish this included: (a) using letter primitives, (b) user friendly interface for teachers, therapists, subjects and parents, (c) adjustable...
Virtual environments can make repetitive motor rehabilitation exercises more motivating and thereby more effective. We hypothesize that participation-dependent multimodal stimuli increase the patientpsilas activity as expressed through force exertion during robot-aided treadmill training. In a single case study with one patient (12 years old), we were able to show that active participation increased...
A simple online system for collecting EMG data from surface recording electrodes and force data has been developed to study muscular weakness in multiple sclerosis (MS) patients and children. The parameters of force, integrated EMG, peak positive and negative amplitudes and zero-crossing frequencies are simultaneously recorded. Leg measurements show clear quantifiable differences between normal muscles...
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