نتایج جستجو برای: muscle onset latency estimation

تعداد نتایج: 796150  

G Heidari-Hamedani M Emamghoreishi

Coriandrum sativum L. (coriander) has been indicated for a number of medial problems in traditional medicine such as loss of appetite, convulsion, and nervousness. We have previously shown that the aqueous extract of coriander has depressant effects on motor coordination and spontaneous activity, suggesting of a possible sedative and muscle relaxant effect. These findings suggest that coriander...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1999
G K Wenning C Scherfler R Granata S Bösch M Verny K R Chaudhuri K Jellinger W Poewe I Litvan

OBJECTIVE Although both orthostatic hypotension and urinary incontinence have been reported in a number of parkinsonian syndromes, such as Parkinson's disease (PD), multiple system atrophy (MSA), dementia with Lewy bodies (DLB), corticobasal degeneration (CBD), and progressive supranuclear palsy (PSP), differences in the evolution of these features have not been studied systematically in pathol...

اسلامی, منصور, شبانی, محمد, هدایت پور, نصرت الله,

  Background: The aim of this study was to investigate the effect of muscle fatigue on ankle joint moment and center of pressure during single-leg stance, perturbed by forward or backward platform perturbations.   Methods : In this semi-experimental study fatigue induced to knee muscles by using an ergometer (monark). Surface elecromyographic signals were recorded from knee muscles during maxim...

Journal: :The Journal of experimental biology 2008
Hao Wang Noriyasu Ando Ryohei Kanzaki

By combining optical triangulation with the comb-fringe technique and dual-channel telemetry, wing kinematics and body attitudes accompanying muscle activities of free-flying male hawkmoths were recorded synchronously when they performed flight manoeuvres elicited by a female sex pheromone. The results indicate that the wing leading edge angular position at the ventral stroke reversal, which ca...

Journal: :Applied sciences 2023

The purpose of this study was to compare changes in muscle pre-activation and short-latency responses the lower limbs during drop jumps performed on different common soft hard surfaces at various platform heights. aimed collect electromyography data from rectus femoris, biceps tibialis anterior, gastrocnemius, soleus dominant leg sand, turf, polyurethane, wood heights 30, 40, 50, 60 cm. Muscle ...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2005
Weirong Zhang Linda F Hayward Paul W Davenport

The periaqueductal gray matter is an essential neural substrate for central integration of defense behavior and accompanied autonomic responses. The dorsal half of the periaqueductal gray matter (dPAG) is also involved in mediating emotional responses of anxiety and fear, psychological states that often are associated with changes in ventilation. However, information regarding respiratory modul...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1993
W C Shyu J C Lin M K Chang W L Tsao

Ten recruited soldiers developed acute left wrist drop and numbness on the back of the thumb after a three hour military shooting training. Neurological examination disclosed decreased muscle power (0-2/5) of left wrist dorsiflexion, hypalgesia and hypaesthesia on the radial side of the left hand, and diminished brachioradialis reflex. Electrophysiological studies showed prolonged distal latenc...

Journal: :Acta medica Okayama 2004
Murat Unal Cengiz Tataroglu Fevziye Toros Arzu Kanik Yavuz Selim Pata

We investigated the brainstem integrity in children with primary nocturnal enuresis (PNE) using auditory brainstem responses (ABR), blink reflex and exteroceptive suppression of the masseter muscle. We examined 23 children with PNE (16 male, 7 female; mean age: 10.4 years) and 19 control subjects (11 male, 8 female; mean age: 11.8 years). ABR parameters such as wave latencies, amplitudes and in...

Journal: :Journal of biomedical optics 2015
Gill R Tsouri Zheng Li

Existing video plethysmography methods use standard red-green-blue (sRGB) video recordings of the facial region to estimate heart pulse rate without making contact with the person being monitored. Methods achieving high estimation accuracy require considerable signal-processing power and result in significant processing latency. High processing power and latency are limiting factors when real-t...

Journal: :Journal of neurophysiology 2013
Isaac Kurtzer Paxson Trautman Russell J Rasquinha Nasir H Bhanpuri Stephen H Scott Amy J Bastian

Damage to the cerebellum can cause significant problems in the coordination of voluntary arm movements. One prominent idea is that incoordination stems from an inability to predictively account for the complex mechanical interactions between the arm's several joints. Motivated by growing evidence that corrective feedback control shares important capabilities and neural substrates with feedforwa...

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