Electromyography and clinical neurophysiology
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Hearing evaluation of school children in Kuwait.
We evaluated the hearing level of 159 Kuwaiti school children (age 6-12 years) at the Audiology Clinic of Ahmadi hospital to determine the extent and causes of hearing loss in these children. Each child was evaluated by otoscopic examination, tympanogram, acoustic reflex threshold (ART), audiogram,...
Wavelet-based analysis of surface mechanomyographic signals from subjects with differences in myosin heavy chain isoform content.
The purpose of this study was to use a wavelet analysis designed specifically for surface mechanomyographic (MMG) signals to determine if the % myosin heavy chain (MHC) isoform content affected the shape of the MMG frequency spectrum during isometric muscle actions. Five resistance-trained (mean +/-...
Effect of congenital blindness on EMG activity of the facial muscles.
The aim of this work was to analyze electromyographically the facial muscles: orbicularis oris (upper and lower fascicles), orbicularis oculi (right and left lateral portions) and frontal, in blind and clinically normal (control) individuals, in various clinical conditions. Electromyographic average...
The relationship between skin temperature and neuronal characteristics in the median, ulnar and radial nerves of non-impaired individuals.
The purpose of this study was to evaluate the relationship between the nerve conduction characteristics in the median, ulnar and radial nerves and presenting skin temperature in non-impaired individuals as they were subjected to electrophysiological testing. Previous researchers artificially manipul...
Changes in ulnar nerve conduction velocity across the elbow in different angles of elbow flexion.
The goal of this study is to determine the changes in motor and sensory nerve conduction velocity (NCV) of ulnar nerve at elbow area in different angles of elbow flexion and also to define the optimum angle at which there is an ideal correlation between the across elbow and below elbow NCVs of ulnar...
The influence of muscle fiber type composition on the patterns of responses for electromyographic and mechanomyographic amplitude and mean p...
I MHC. The patterns of responses and mean values for absolute and normalized EMG amplitude and MPF during the fatiguing muscle action were similar for the resistance-trained and aerobically-trained subjects. The resistance-trained subjects demonstrated relatively stable levels for absolute and norma...
Study of the ulnar nerve compromise at the wrist of patients with carpal tunnel syndrome.
We observe in our electrodiagnosis studies. A prospective study was designed to evaluate the incidence of ulnar nerve compromise in patients with electrodiagnostic evidence of CTS according to age and sex, and also to determine the site of ulnar nerve involvement. One hundred and sixty five limbs wi...
Neuromuscular status of thyroid diseases: a prospective clinical and electrodiagnostic study.
With this study, it has been intended to evaluate the neuromuscular symptoms and findings observed in patients with the diagnoses of hyperthyroidism and hypothyroidism. This study included 21 patients with hyperthyroidism, 19 patients with hypothyroidism and a control group comprised of 29 healthy p...
Rigid spine syndrome (vacuolar variant). A quantitative electromyograhic study.
Quantitative electromyography (EMG) using different needle techniques was performed as part of a complete systems review on 9 patients diagnosed with the vacuolar variant of rigid spine syndrome (RSS). To establish statistically: (1) correlations between clinical features (patient age, disease durat...
Cortical localization of external urethral sphincter activation by transcranial electrical stimulation.
Repetitive transcranial electrical stimulation (rTES) was used to activate descending output to the external urethral sphincter muscle. Motor evoked potentials (MEPs) were recorded from external urethral sphincter (EUS), and anterior tibial (TA) muscles following high voltage rTES in 9 consecutive p...