The objective of this study was to determine the effect that electromyographic biofeedback (EMG-BFB), used in conjunction with occupational therapy (OT) and functional electrical stimulation (FES), has on spasticity, range of motion, and upper extremity function in hemiplegic patients. A total of 59 patients treated at a university-based rehabilitation centre were studied. Of those 59 patients, 31 received twice-weekly sessions of OT+FES, together with weekly sessions of EMG-BFB, and 28 received only the twice-weekly sessions of OT+FES. The patients were evaluated at baseline, at 6 months, and at 12 months, using the hand function test, the Minnesota manual dexterity test, the joint range of motion scale, and the modified Ashworth scale. At 6 months, the patients receiving EMG-BFB presented significantly greater improvement in upper extremity function than those receiving only OT+FES. Incorporating EMG-BFB into the treatment regimen had a positive effect on the range of motion and on the recovery of upper extremity function in hemiplegic patients. Biofeedback training might represent an important therapeutic tool for the rehabilitation of stroke patients.
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[Show abstract][Hide abstract] ABSTRACT: The subjects of this study were 30 hemiplegia patients whose disease duration was over 6 months, and they were divided at random into a control group (n=15) receiving traditional rehabilitation therapy and an experimental group (n=15) receiving both traditional rehabilitation therapy and training using IT based EMG biofeedback. The program was applied for a total of 4 weeks. In order to examine the subjects' functional recovery, we measured their upper limb function using FMA and MFT, and activities of daily living using FIM before and after the training. Comparison between experimental groups in the study of upper extremity function improved after training in all tests was higher compared to the control group significantly (p
[Show abstract][Hide abstract] ABSTRACT: In this paper, we propose a measurement-based service scheduling
policy, called the D-policy, for high-speed packet networks with quality
of service guarantees. We show that the D-policy is optimal with respect
to channel efficiency among all stable scheduling policies. We examine
the properties of the D-policy and show how these properties can be used
to compute the minimum bandwidth required for a given traffic scenario.
We also compare the D-policy with other policies such as the
first-come-first-served, static priority, and weighted round robin
through simulation studies
[Show abstract][Hide abstract] ABSTRACT: This review presents technologies used in and assesses the main clinical outcomes of electrical therapies designed to speed up and increase functional recovery in stroke patients. The review describes methods which interface peripheral systems (e.g., cyclic neural stimulation, stimulation triggered by electrical activity of muscles, therapeutic functional electrical stimulation) and transcranial brain stimulation with surface and implantable electrodes. Our conclusion from reviewing these data is that integration of electrical therapy into exercise-active movement mediated by electrical activation of peripheral and central sensory-motor mechanisms enhances motor re-learning following damage to the central nervous system. Motor re-learning is considered here as a set of processes associated with practice or experience that leads to long-term changes in the capability for movement. An important suggestion is that therapeutic effects are likely to be much more effective when treatment is applied in the acute, rather than in the chronic, phase of stroke.
Full-text · Article · Feb 2009 · Neurorehabilitation