On the nature of endogenous antiexcitatory factors in the cerebrospinal fluid of patients with demyelinating neurological disease.

abstract：:To identify the underlying physiological mechanisms for the difference in the time to failure for two types of fatiguing contractions, 20 subjects performed force and position tasks with the elbow flexor muscles at a comparable net muscle torque for a similar duration. Prior to terminating each task, blood flow was oc...

journal_title：Muscle & nerve

authors： Rudroff T,Poston B,Shin IS,Bojsen-Møller J,Enoka RM

更新日期：2005-01-01 00:00:00

abstract：INTRODUCTION:Acetylcholine receptor (AChR) and striated muscle antibodies (StrAbs) are found frequently in myasthenia gravis (MG) patients with thymoma. In this study we aimed to determine the positive predictive value (PPV) and negative predictive value (NPV) of these antibodies for thymoma in patients with MG. METHO...

journal_title：Muscle & nerve

authors： Choi Decroos E,Hobson-Webb LD,Juel VC,Massey JM,Sanders DB

更新日期：2014-01-01 00:00:00

abstract：:Masseter muscle biopsies were obtained from nine patients undergoing orthognatic surgery or surgery for parotid tumors. A detailed enzyme-histochemical and immunocytochemical study of these muscles was performed using antibodies specific to the various isozymes of the myosin heavy chain (MHC) in order to identify the ...

journal_title：Muscle & nerve

authors： Butler-Browne GS,Eriksson PO,Laurent C,Thornell LE

更新日期：1988-06-01 00:00:00

abstract：:Masseter (MR) and blink reflexes (BL) were investigated in 51 patients with internuclear ophthalmoplegia (INO) due to multiple sclerosis (28) and lacunar infarction (23). The MR was abnormal in 20 of 23 cases with bilateral INO and in 21 of 28 with unilateral INO. The R1 component of the BL (BL-R1) was abnormal in 7 o...

journal_title：Muscle & nerve

authors： Hopf HC,Thömke F,Gutmann L

更新日期：1991-04-01 00:00:00

abstract：:We investigated factors affecting maximal voluntary torque and the assessment of the level of voluntary drive in the elbow flexor muscles. First, the effective compliance of the system was tested by using single, paired, and trains of four stimuli to measure voluntary activation. At high voluntary torques the response...

journal_title：Muscle & nerve

authors： Allen GM,McKenzie DK,Gandevia SC

更新日期：1998-03-01 00:00:00

abstract：:Physicians have an ethical and legal duty to obtain patients' informed consent before ordering testing and treatment. Informed consent encompasses informed refusal, the correlative right of patients to refuse tests and therapies they do not want. A patient's informed consent requires adequate information, capacity to ...

journal_title：Muscle & nerve

authors： Bernat JL

更新日期：2001-05-01 00:00:00

abstract：INTRODUCTION:Similar to magnetic resonance imaging (MRI), electrical impedance myography (EIM) is dependent on the presence and location of water in muscle to assess neuromuscular diseases. We compared the 2 technologies in mdx mice to better understand their relationship. METHODS:EIM and MRI, using T2 relaxation and ...

journal_title：Muscle & nerve

authors： Wu JS,Li J,Greenman RL,Bennett D,Geisbush T,Rutkove SB

更新日期：2015-10-01 00:00:00

abstract：:Heterozygous mutations in the Berardinelli-Seip congenital lipodystrophy (BSCL2) gene have been associated with different clinical phenotypes including Silver syndrome/spastic paraplegia 17, distal hereditary motor neuropathy type V, and Charcot-Marie-Tooth disease type 2 (CMT2) with predominant hand involvement. We s...

journal_title：Muscle & nerve

authors： Luigetti M,Fabrizi GM,Madia F,Ferrarini M,Conte A,Delgrande A,Tonali PA,Sabatelli M

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND:A new technique to obtain the sensory nerve action potential (SNAP) of the medial femoral cutaneous nerve is described. METHODS:SNAPs were recorded from 104 subjects with a bar recording electrode 10 cm proximal to the patella along an imaginary line drawn between the medial edge of the patella and the femo...

journal_title：Muscle & nerve

authors： Geney-Castro DE,Vanegas-Muñóz J,Plata-Contreras J,Salinas-Duran F

更新日期：2020-03-01 00:00:00

abstract：:Contractions of rat extensor digitorum longus (EDL, a fast muscle) and soleus (SOL, a slow muscle) muscles of different ages (1-4 weeks) were recorded in vitro with direct stimulation and at different temperatures (range 35-10 degrees C). Twitch tension in 4-week-old EDL muscle increased in cooling from 35 to 20 degre...

journal_title：Muscle & nerve

authors： Wylie SR,Ranatunga KW

更新日期：1987-11-01 00:00:00

abstract：:Ultrasound (US) technique was applied to measure the thickness, cross-sectional area (CSA), and internal structure of the quadriceps muscle in 70- to 80-year-old endurance and power athletes and untrained men. Isometric knee extension strength was higher in the power athletes than in the other groups. The mean values ...

journal_title：Muscle & nerve

authors： Sipilä S,Suominen H

更新日期：1991-06-01 00:00:00

abstract：:Nine patients with adult-onset acid maltase deficiency (Pompe's disease) were examined clinically and with computed tomography (CT). The CT scan showed early and severe involvement of the muscles of trunk and thighs, with selective sparing of the tensor fasciae latae, short head of biceps femoris, gracilis, and sartor...

journal_title：Muscle & nerve

authors： de Jager AE,van der Vliet TM,van der Ree TC,Oosterink BJ,Loonen MC

更新日期：1998-03-01 00:00:00

abstract：:Injuries to the lumbosacral plexus during labor and delivery have been reported in the literature for years, but have lacked electrophysiologic testing to substantiate the location of the nerve injury. We report 2 cases with comprehensive electrophysiologic testing which localizes the site of this obstetrical paralysi...

journal_title：Muscle & nerve

authors： Feasby TE,Burton SR,Hahn AF

更新日期：1992-08-01 00:00:00

abstract：:Electrodiagnostic studies were analyzed in patients with neuropathy associated with IgM monoclonal proteins, 7 with anti-myelin associated glycoprotein reactivity (MAG) and 7 nonreactive to MAG. The findings were distinctly different in the two groups. The electrodiagnostic studies of all the MAG-reactive patients had...

journal_title：Muscle & nerve

authors： Kelly JJ Jr

更新日期：1990-12-01 00:00:00

abstract：:The Moberg Pick-Up Test is a standardized test for assessing hand dexterity. Although reduction of sensation in the hand occurs with aging, the effect of age on a subject's performance of the Moberg Pick-Up Test has not been examined. The primary goal of this study was to examine the impact of aging and, secondarily, ...

journal_title：Muscle & nerve

authors： Amirjani N,Ashworth NL,Gordon T,Edwards DC,Chan KM

更新日期：2007-06-01 00:00:00

abstract：:EDL muscles from normal and dystrophic (dy2j) mice of various ages were examined. Muscles were divided into three groups according to age: 7 to 14 days postnatal, 16 to 21 days postnatal, and 6 months old, to assess age and/or phenotype related differences in the muscle response to caffeine or high K+. The response of...

journal_title：Muscle & nerve

authors： Dangain J,Neering IR

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:Peripheral nerve injuries (PNI) are among the leading causes of physical disability in the United States. The majority of injuries occur in the upper extremities, and functional recovery is often limited. Robust animal models are critical first steps for developing effective therapies to restore function a...

journal_title：Muscle & nerve

authors： Meyers EC,Granja R,Solorzano BR,Romero-Ortega M,Kilgard MP,Rennaker RL 2nd,Hays S

更新日期：2017-12-01 00:00:00

abstract：:We prospectively studied the diagnostic utility of upper limb segmental reflexes in patients with suspected cervical radiculopathy (CR). Fifty-three patients (29 men and 24 women), referred for electrodiagnostic testing, were positive for at least one of four clinical criteria for CR: abnormal (1) history, (2) motor (...

journal_title：Muscle & nerve

authors： Miller TA,Pardo R,Yaworski R

更新日期：1999-08-01 00:00:00

abstract：INTRODUCTION:Spinal and bulbar muscular atrophy (SBMA) is an adult-onset motor neuron disease caused by a CAG repeat expansion in the androgen receptor gene. The aim of this study was to verify whether urinary 8-hydroxydeoxyguanosine (8-OHdG), an oxidative stress marker, is a biomarker for SBMA. METHODS:We measured th...

journal_title：Muscle & nerve

authors： Mano T,Katsuno M,Banno H,Suzuki K,Suga N,Hashizume A,Tanaka F,Sobue G

更新日期：2012-11-01 00:00:00

abstract：:Dystrophic changes of Schwann cells and demyelination occurred in rats with chronic nerve edema induced by feeding a galactose-rich diet for two years. The mechanism for edema is the sorbitol pathway which generates osmotically active polyols from galactose or glucose. The blood-nerve barrier impedes diffusion of macr...

journal_title：Muscle & nerve

authors： Powell HC,Myers RR

更新日期：1983-03-01 00:00:00

abstract：:Immersion of rat hemidiaphragms in Ca2+-free Krebs solution (KS) containing Ca2+ chelator in vitro leads to separation of basal lamina from the plasma membrane, as well as transient contracture and rapid loss of twitch response [calcium paradox (CP) phase 1]. Subsequent immersion in regular KS results in necrosis of m...

journal_title：Muscle & nerve

authors： Soza M,Karpati G,Carpenter S

更新日期：1986-03-01 00:00:00

abstract：:Diabetic neuropathies are the most common type of neuropathies seen in clinical practice. These neuropathies can range clinically from asymptomatic to manifesting symptoms caused by motor, sensory, and autonomic nerve dysfunction. These neuropathies can affect the peripheral nervous system, pain receptors, cardiovascu...

journal_title：Muscle & nerve

authors： Patel K,Horak H,Tiryaki E

更新日期：2021-01-01 00:00:00

abstract：:The purpose of the study was to investigate differences in contractile speed, force, and fatigability of the adductor pollicis muscle between 12 patients with multiple sclerosis (MS) and 8 sedentary control subjects matched for age and gender. There were no differences between the patients with MS and control subjects...

journal_title：Muscle & nerve

authors： de Ruiter CJ,Jongen PJ,van der Woude LH,de Haan A

更新日期：2001-09-01 00:00:00

abstract：:Mutations in the myelin protein zero gene (MPZ) are associated with certain demyelinating neuropathies, and in particular with Charcot-Marie-Tooth disease type 1B (CMT1B), Dejerine-Sottas syndrome, and congenital hypomyelination. MPZ mutations affecting the protein's transmembrane domain are generally associated with ...

journal_title：Muscle & nerve

authors： Eggers SD,Keswani SC,Melli G,Cornblath DR

更新日期：2004-06-01 00:00:00

abstract：INTRODUCTION:To address the need for greater standardization within the field of electrodiagnostic medicine, the Normative Data Task Force (NDTF) was formed to identify nerve conduction studies (NCS) in the literature, evaluate them using consensus-based methodological criteria derived by the NDTF, and identify those s...

journal_title：Muscle & nerve

authors： Chen S,Andary M,Buschbacher R,Del Toro D,Smith B,So Y,Zimmermann K,Dillingham TR

更新日期：2016-09-01 00:00:00

abstract：INTRODUCTION:Stroke-related changes in maximal dynamic hip flexor muscle fatigability may be more relevant functionally than isometric hip flexor fatigability. METHODS:Ten chronic stroke survivors performed 5 sets of 30 hip flexion maximal dynamic voluntary contractions (MDVC). A maximal isometric voluntary contractio...

journal_title：Muscle & nerve

authors： Kuhnen HR,Rybar MM,Onushko T,Doyel RE,Hunter SK,Schmit BD,Hyngstrom AS

更新日期：2015-03-01 00:00:00

abstract：INTRODUCTION:The etiology of neuropathy was idiopathic in 20%-30% of patients despite thorough investigation, based on results from the 1980s and 1990s. Since then, new etiologies have been recognized, and skin biopsy has been used to confirm small-fiber neuropathy. METHODS:The authors reviewed the charts of 373 patie...

journal_title：Muscle & nerve

authors： Farhad K,Traub R,Ruzhansky KM,Brannagan TH 3rd

更新日期：2016-06-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to determine the impact of an in-home expiratory muscle strength training (EMST) program on pulmonary, swallow, and cough function in individuals with amyotrophic lateral sclerosis (ALS). METHODS:EMST was tested in a prospective, single-center, double-blind, randomized, contr...

journal_title：Muscle & nerve

authors： Plowman EK,Tabor-Gray L,Rosado KM,Vasilopoulos T,Robison R,Chapin JL,Gaziano J,Vu T,Gooch C

更新日期：2019-01-01 00:00:00

abstract：:During postnatal development of extensor digitorum longus (EDL) muscle, sodium withdrawal contractures were observed during the first 6 days after birth, and not after this time. In regenerating EDL muscles, zero-Na contractures were demonstrated: (1) 7 days after bupivacaine injection, but not 14 or 90 days after thi...

journal_title：Muscle & nerve

authors： Louboutin JP,Noireaud J

更新日期：1998-11-01 00:00:00

abstract：:Spastic paresis follows chronic disruption of the central execution of volitional command. Motor function in patients with spastic paresis is subjected over time to three fundamental insults, of which the last two are avoidable: (1) the neural insult itself, which causes paresis, i.e., reduced voluntary motor unit rec...

journal_title：Muscle & nerve

authors： Gracies JM

更新日期：2005-05-01 00:00:00