Traumatic brain injury (TBI) is a major cause of persistent disabilities such as sleep-wake disorders (SWD). Rodent studies of SWD after TBI are scarce, however, because of lack of appropriate TBI models reproducing acceleration-deceleration forces and compatible with electroencephalography/myography (EEG/EMG)-based recordings of vigilance states. We therefore adapted the Marmarou impact accele...

40 Fingertip force control requires fine coordination of multiple hand muscles within 41 and across the digits. While the modulation of neural drive to hand muscles as a function 42 of force has been extensively studied, much less is known about the effects of fatigue on 43 the coordination of simultaneously active hand muscles. We asked eight subjects to 44 perform a fatiguing contraction by g...

Rectification of surface EMG before spectral analysis is a well-established preprocessing method used in the detection of motor unit firing patterns. A number of recent studies have called into question the need for rectification before spectral analysis, pointing out that there is no supporting experimental evidence to justify rectification. We present an analysis of 190 records from 13 subjec...

how to cite this article: nilipor y, shariatmadari f, abdollah gorji f, rouzrokh m, ghofrani m, karimzadeh p, taghdiri mm,  delavarkasmaei h, ahmadabadi f, bakhshandeh bali mk, nemati h, saket s, jafari n, yaghini o, tonekaboni sh.  evaluation of one hundred pediatric muscle biopsies during a 2-year period in mofid children and toos hospitals. iran j child neurol. 2013 spring;7(2):17-21.   obje...

Background Fatigue is an important factor for muscle strengthening in rehabilitation medicine. Frequency analysis has been regarded as the gold standard fatigue assessment surface electromyography (EMG). However, there are no experiments quantifying with grouped discharge (GD), which one of historical phenomena observed patients having fatigue, by using high sampling rate recording EMG. Objecti...

Under investigation is whether intramuscular (IM) electromyography can be used to trigger functional electrical stimulation (FES) to improve ambulation for the child with cerebral palsy (CP). In this study, bifilar percutaneous intramuscular (IM) recording electrodes were implanted bilaterally into a quadriceps muscle of a child with CP. Following implantation, 5 walking trials consisting of 2-...

Head orientation prediction is one of the solutions to reduce end-to-end latency on Virtual Reality (VR) systems and important since it can alleviate negative effects like motion sickness. This study compared head models from two different electromyography (EMG) systems: surface EMG (sEMG) High-Density (HD-EMG). The deep learning method was used train model, results showed that model with input...

As a part of EMG-net project, researchers at the Slovak University of Technology developed a software tool for collection and management of electromyography (EMG) examination cases called EMMA. They concentrated on data representation, which is a crucial task in such data intensive area as the EMG examination. The proposed data model serves as a basis for a multifunctional platform for EMG stud...

The electromyogram (EMG) signal contains lots of information about muscular changes related muscular disorder such as myopathy. In this paper, we present a new method for classification of EMG signals based on singular value decomposition. The EMG signal represent in the matrix form, features extracted from the singular value decomposition and singular value of EMG signal used as features for c...