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A prototype for a walking assistance apparatus for the elderly or motor palsy patients was developed, using a novel spatial parallel link mechanism. The flat steps of the apparatus move in parallel with the ground; the apparatus can support entire leg alignment (including soles) and assist; walking behavior at ankle, knee and hip joints simultaneously. By using a flexible link, constructed of stainless...
Nowadays, the study of sMEG has became of highly relevance for scientist due to it may be a a new and less invasive pathway for assessing muscle fatigue level. However, these well-known predictors have been tested only in controlled situations where movements are carried out in only one anatomical plane. The objective of this study was to observe the behavior of these features in a more real-life...
Therapists often emphasize selection and design of proper training programs for individual patients in different situations and rehabilitation stages. Thus, in order to cater different patient groups, this paper proposes four assistant control strategies for robotic rehabilitation of gait locomotion: (1) orthosis-free, (2) totally-passive, (3) optimal assistance and (4) resistance exercise. A robotic...
Human walking gait (HWG) involves concurrently complex aspects of control, signal conditioning and processing, motion capture and biomechanical analysis as well as bioelectronic instrumentation and robot control. To merge some of these concepts into a unique framework, in this paper, a computational mechatronics scheme is proposed for the analysis and synthesis of HWG based on a seven-link sagittal...
The ability to use haptic input through light contact to improve stability while walking post-stroke is investigated in a virtual environment (VE). Persons with stroke and healthy participants walk in a VE where they encounter changes in the slope of the support surface. Kinematic, kinetic, and electromyographic data analyses will be used to show the anticipatory postural adjustments made leading...
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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