revealed myotonic discharges.
In the electromyographic examination
, denervation potentials in the cervicothoracic and lumbosacral segments as well as mixed-type sensorimotor polyneuropathy were detected.
The electromyographic examination
revealed myogenic changes (low amplitude potential, reduced intervals, myogenic interferential pathway) in the right vastus lateralis muscle, right anterior tibiae muscle, left gastrocnemius muscle, right deltoid muscle and in the left biceps muscle.
18, 29, 31) An electromyographic examination
showed the RCPmi to be under active contraction while the head is in an upright neutral position, with muscle activity increasing significantly during cervical retraction.
of masticatory muscles may have confirming value for clinical diagnosis of myospasm which characteristically shows a marked increased in EMG activity.
The results of the upper extremity arterial and venous Doppler ultrasonography, plain X-ray, and electromyographic examination
including ulnar, median, musculocutaneous and radial nerves were found to be within normal ranges.
were performed in a proper isolated room, with a 16-channel electromyography machine with amplification gain of 1,000 times, high-pass filter of 20 Hz and low-pass filter of 500 Hz (EMG System of Brazil, Sao Jose dos Campos, SP, Brazil), properly calibrated in an Intel-based PC equipped with an analogue-digital converter (12 bits of resolution, 32 channels for PC).