نتایج جستجو برای: muscle onset latency

تعداد نتایج: 538106  

Journal: :Journal of neurology, neurosurgery, and psychiatry 1987
H H Friedemann J Noth H C Diener M Bacher

Electromyographic responses to stretches of hand muscles (first dorsal interosseus) and leg muscles (triceps surae, tibialis anterior) were investigated in patients with cerebellar disorders of different locations. Stimuli consisted of short dorsiflexions of the index finger during background force and in tilting (toe up) of a movable platform on which the subject stood. The most important find...

رضایی مقدم, فرید, آزادواری, محدثه , رضاسلطانی, زهرا , صنعتی, احسان, عزیزی, سیروس, ملکی, نفیسه,

زمینه: یکی از روشهای درمان کمردرد مانیپولاسیون میباشد که یک روش درمان دستی میباشد. مکانیزم و اثرات فیزیولوژیک این درمان بر کمردرد چندان شناخته شده نمیباشد. یکی از اثرات فیزیولوژیک مانیپولاسیون تغییر در فعالیت موتونورونال میباشد، که این اثر با بررسی رفلکس H و نسبت آمپلیتود H به M قابل انجام است. هدف: هدف از انجام این مطالعه تعیین اثرات مانیپولاسیون ستون فقرات بر آمپلیتود و onset latency رفلکس H ...

Background: The interaction between antiepileptic drugs and brain electrical stimulation is a potential therapy to control of seizures in patient with pharmacoresistance to drugs. So, the aim of present study was designed to determine the effect of a sub effective dose of sodium valproate combined with low-frequency electrical stimulation during kindling. Material and Methods: One tripolar ele...

Journal: :Pain 2001
M Keidel P Rieschke P Stude R Eisentraut R van Schayck H Diener

Brainstem-mediated antinociceptive inhibitory reflexes of the temporalis muscle were investigated in 82 patients (47 F, 35 M, mean age 28.3 years, SD 9.4) with acute posttraumatic headache (PH) following whiplash injury but without neurological deficits, bone injury of the cervical spine or a combined direct head trauma on average 5 days after the acceleration trauma. Latencies and durations of...

Journal: :Clinical toxicology 2015
Viktor Martos Katharina E Hofer Christine Rauber-Lüthy Katharina M Schenk-Jaeger Hugo Kupferschmidt Alessandro Ceschi

INTRODUCTION Tolperisone is a centrally acting muscle relaxant that acts by blocking voltage-gated sodium and calcium channels. There is a lack of information on the clinical features of tolperisone poisoning in the literature. The aim of this study was to investigate the demographics, circumstances and clinical features of acute overdoses with tolperisone. METHODS An observational study of a...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2000
K Kräuchi C Cajochen E Werth A Wirz-Justice

Thermoregulatory processes have long been implicated in initiation of human sleep. The purpose of this study was to evaluate the role of heat loss in sleep initiation, under the controlled conditions of a constant-routine protocol modified to permit nocturnal sleep. Heat loss was indirectly measured by means of the distal-to-proximal skin temperature gradient (DPG). A stepwise regression analys...

Introduction: The concentration and action of ascorbic acid in the central nervous system as a vitamin and also a neuromodulator have exercise-induced fluctuations. The present study was conducted to evaluate the effects of anaerobic exercise alone and associated with the consumption of ascorbic acid as a non pharmacological treatment for reducing seizures and increasing seizure thresholds. ...

Journal: :Neurology 2003
Michael Doherty

BACKGROUND Much remains unknown about the natural history of intractable localization-related epilepsy, including how long it typically takes before intractability becomes evident. This information could guide the design of future studies, resolve certain discrepancies in the literature, and provide more accurate information about long-term prognosis. METHODS Individuals evaluated for resecti...

2003
DAVID A. BALOTA David A. Balota

Three experiments that address the impact of associative relatedness on both onset latencies and production durations in pronunciation performance are reported. In Experiment 1, a related response cue, presented afer a to-be-pronounced target word, decreased the target word’s production duration, compared to an unrelated response cue, but did not influence its onset latency. In Experiment 2, tw...

Journal: :research in pharmaceutical sciences 0
manijeh motevalian 1razi drug research center and department of pharmacology, school of medicine, iran university of medical sciences, tehran, i.r. iran. saeed mehrzadi 1razi drug research center and department of pharmacology, school of medicine, iran university of medical sciences, tehran, i.r. iran. samira ahadi 1razi drug research center and department of pharmacology, school of medicine, iran university of medical sciences, tehran, i.r. iran. asie shojaii 2research institute for islamic and complementary medicine and school of traditional medicine, iran university of medical sciences, tehran, i.r. iran.

this study investigated the anticonvulsant activity and possible mechanism of action of an aqueous solution of dorema ammoniacum gum (dag) which has been used traditionally in the treatment of convulsions.in this study, the anticonvulsant activity of dag was examined using the pentylentetrazole (ptz) model in mice. thirty male albino mice were divided randomly and equally to 5 groups, and pretr...

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