Isometric contractions of normal and spastic human skeletal muscle.

abstract：:Neuromyotonia or Isaacs' syndrome is a rare peripheral nerve hyperexcitability disorder caused by antibodies against potassium channels of myelinated axons. We present the high-density surface electromyographic (EMG) recordings of a patient with fasciculations and cramps due to neuromyotonia. To characterize the time ...

journal_title：Muscle & nerve

authors： Kleine BU,Stegeman DF,Drost G,Zwarts MJ

更新日期：2008-02-01 00:00:00

abstract：INTRODUCTION:Premotor potentials (PMPs) precede compound muscle action potentials evoked from the second lumbrical muscle after median nerve stimulation. Although PMP has been identified as a median sensory nerve action potential, few reports have documented the significance of PMP parameters for diagnosing carpal tunn...

journal_title：Muscle & nerve

authors： Kodama M,Sasao Y,Tochikura M,Kasahara T,Koyama Y,Aono K,Fujii C,Hanayama K,Takahashi O,Kobayashi Y,Masakado Y

更新日期：2012-12-01 00:00:00

abstract：:We describe a patient with transthyretin amyloidosis who presented with multifocal mononeuropathies with features of demyelination on nerve conduction studies, a constellation of findings not previously described in amyloid polyneuropathy. Genetic testing revealed a valine122isoleucine mutation in the coding region of...

journal_title：Muscle & nerve

authors： Briemberg HR,Amato AA

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND:The goals of this study were to determine whether serum concentrations of endocannabinoids (eCB) and related lipids predict disease status in patients with amyotrophic lateral sclerosis (ALS) relative to healthy controls, and whether concentrations correlate with disease duration and severity. METHODS:Serum...

journal_title：Muscle & nerve

authors： Carter GT,McLaughlin RJ,Cuttler C,Sauber GJ,Weeks DL,Hillard CJ,Weiss MD

更新日期：2021-01-01 00:00:00

abstract：INTRODUCTION:Spinal and bulbar muscular atrophy (SBMA) and amyotrophic lateral sclerosis (ALS) are motor neuron diseases. Sensory impairment is sometimes observed, and electrophysiological involvement has been described in the sensory nerves of SBMA patients. We hypothesized that a sensory nerve conduction study (NCS) ...

journal_title：Muscle & nerve

authors： Hama T,Hirayama M,Hara T,Nakamura T,Atsuta N,Banno H,Suzuki K,Katsuno M,Tanaka F,Sobue G

更新日期：2012-02-01 00:00:00

abstract：:A quantitative assessment was made of the firing characteristics of repetitive axonal discharges encountered during microneurographic recordings from human peripheral nerves. Spontaneous activity was recorded from 16 single axons using tungsten microelectrodes inserted percutaneously into fascicles of the median or pe...

journal_title：Muscle & nerve

authors： Macefield VG

更新日期：1998-04-01 00:00:00

abstract：INTRODUCTION:We examined the extent to which fatiguing cycling exercise in the heat influences contractile function in modulating the force-frequency relationship. METHODS:Before (∽37.0 °C) and after (∽38.5 °C) exercise (ExH) and passive (PaH) hyperthermia, an 8-s train of stimulation at 10, 20, 50, and 100 Hz (2 s pe...

journal_title：Muscle & nerve

authors： Périard JD,Racinais S,Thompson MW

更新日期：2014-11-01 00:00:00

abstract：INTRODUCTION:Full-length tyrosine kinase B (TrkB.FL) and truncated TrkB (TrkB.t1) receptors are colocalized with acetylcholine receptors (AChRs) at the neuromuscular junction. We have recently shown that reduced TrkB expression leads to age-related alterations in AChR structure, neurotransmission failure, and muscle we...

journal_title：Muscle & nerve

authors： Personius KE,Parker SD

更新日期：2013-04-01 00:00:00

abstract：:Both high and low body mass index (BMI) have been reported as risk factors for ulnar neuropathy at the elbow (UNE), and a high BMI as a risk factor for carpal tunnel syndrome (CTS). To determine whether the extremes of BMI are risk factors for UNE or CTS, and whether BMI affects calculation of median and ulnar motor n...

journal_title：Muscle & nerve

authors： Landau ME,Barner KC,Campbell WW

更新日期：2005-09-01 00:00:00

abstract：INTRODUCTION:Evaluation of phrenic neuropathy (PN) with phrenic nerve conduction studies (PNCS) is associated with false negatives. Visualization of diaphragmatic muscle twitch with diaphragm ultrasound (DUS) when performing PNCS may help to solve this problem. METHODS:We performed bilateral, simultaneous DUS-PNCS in ...

journal_title：Muscle & nerve

authors： Johnson NE,Utz M,Patrick E,Rheinwald N,Downs M,Dilek N,Dogra V,Logigian EL

更新日期：2014-05-01 00:00:00

abstract：:We report an 18-month-old Charcot-Marie-Tooth type 1A (CMT1A) patient who developed a rapid-onset neuropathy, with proximal and distal weakness, and non-uniform nerve conduction studies. The neuropathy responded well to immunomodulation, confirming the coexistence of an inherited and an inflammatory neuropathy. Unexpe...

journal_title：Muscle & nerve

authors： Marques W Jr,Funayama CA,Secchin JB,Lourenço CM,Gouvêa SP,Marques VD,Bastos PG,Barreira AA

更新日期：2010-10-01 00:00:00

abstract：:In order to assess the clinical utility of trigemino-facial reflexes in lower facial muscles, we studied perioral reflexes to mechanical and electrical stimulation in 13 patients with spasmodic dysphonia and orofacial dyskinesia and in 7 healthy subjects. Mechanical stimulation of the upper lip of all patients and ele...

journal_title：Muscle & nerve

authors： Topka H,Hallett M

更新日期：1992-09-01 00:00:00

abstract：:Electrophysiologic detection of the first signs of gastrocnemius muscle reinnervation shows that after a single localized freezing of the rat sciatic nerve, isaxonine does not significantly increase the rate of axonal regeneration. However, this drug does significantly enhance axonal sprouting, as it induces an increa...

journal_title：Muscle & nerve

authors： Pecot-Dechavassine M,Mira JC

更新日期：1985-02-01 00:00:00

abstract：:The findings in two cases of congenital myasthenia investigated by intercostal muscle biopsy are presented. The first case, a 16-year-old boy, showed reduced miniature endplate potential amplitude and normal 125I-alpha-bungarotoxin binding to postsynaptic acetylcholine receptors. Muscle biopsy and endplate ultrastruct...

journal_title：Muscle & nerve

authors： Lecky BR,Morgan-Hughes JA,Murray NM,Landon DN,Wray D,Prior C

更新日期：1986-03-01 00:00:00

abstract：:The electrical and mechanical properties of paralyzed human thenar muscles were measured in response to supramaximal stimulation of the median nerve in individuals with chronic cervical spinal cord injury. These data were compared to those recorded from control muscles. Spontaneous motor unit activity was common in pa...

journal_title：Muscle & nerve

authors： Thomas CK

更新日期：1997-07-01 00:00:00

abstract：INTRODUCTION:Slowly progressive, genetic neuromuscular diseases (gNMDs) often lead to important motor deficiencies and functional limitations. The Quality of Life in Genetic Neuromuscular Disease Questionnaire (QoL-gNMD) is a new health-related quality-of-life questionnaire developed for these patients. The purpose of ...

journal_title：Muscle & nerve

authors： Dany A,Rapin A,Lavrard B,Saoût V,Réveillère C,Bassez G,Tiffreau V,Péréon Y,Sacconi S,Eymard B,Dramé M,Jolly D,Novella JL,Hardouin JB,Boyer FC

更新日期：2017-12-01 00:00:00

abstract：:We report a family with familial amyloid polyneuropathy (FAP), showing an early-onset and a fatal outcome before age 30. Transthyretin (TTR) gene analysis showed one point mutation (T-->C change) in the second base of codon 55, and the corresponding amino acid substitution of proline (Pro) for leucine (Leu) was confir...

journal_title：Muscle & nerve

authors： Yamamoto K,Hsu SP,Yoshida K,Ikeda S,Nakazato M,Shiomi K,Cheng SY,Furihata K,Ueno I,Yanagisawa N

更新日期：1994-06-01 00:00:00

abstract：INTRODUCTION:Nemaline myopathy is a rare disorder characterized by skeletal muscle weakness of varying severity and onset, with the presence of nemaline rods on muscle biopsy. Congenital nemaline body myopathy due to mutations in TNNT1 has hitherto only been described as a result of a single founder mutation in patient...

journal_title：Muscle & nerve

authors： Abdulhaq UN,Daana M,Dor T,Fellig Y,Eylon S,Schuelke M,Shaag A,Elpeleg O,Edvardson S

更新日期：2016-04-01 00:00:00

abstract：:Chronic and acute administration of epinephrine or related sympathomimetic agents are typically prescribed for the treatment of clinical disorders such as hypotension, anaphylactic and allergic reactions, and bronchial asthma. In addition to its effects on these infirmaties and on carbohydrate metabolism, epinephrine ...

journal_title：Muscle & nerve

authors： Williams JH,Barnes WS

更新日期：1989-12-01 00:00:00

abstract：:Superimposed electrical stimulation techniques can be used to detect central activation failure (CAF), that is, incomplete central nervous system recruitment or suboptimal activation of motor units. The purpose of this study was to evaluate the effects of two stimulation parameters on perceived discomfort and torque i...

journal_title：Muscle & nerve

authors： Miller M,Downham D,Lexell J

更新日期：2003-01-01 00:00:00

abstract：:Muscle cramps are difficult to study scientifically because of their spontaneity and unpredictability. Various laboratory techniques to induce muscle cramps have been explored but the best technique for inducing cramps is unclear. Electrical stimulation appears to be the most reliable, but there is a perception that i...

journal_title：Muscle & nerve

authors： Miller KC,Knight KL

更新日期：2007-11-01 00:00:00

abstract：INTRODUCTION:Sepsis often causes diaphragm contractile dysfunction. Dihydropyridine receptors (DHPRα1s and DHPRα1c) and ryanodine receptors (RyR1, RyR2, and RyR3) are essential for excitation-contraction coupling in striated muscles. However, their expression in diaphragm during sepsis have not been explored. METHODS:...

journal_title：Muscle & nerve

authors： Jiao GY,Hao LY,Gao CE,Chen L,Sun XF,Yang HL,Li Y,Dai YN

更新日期：2013-11-01 00:00:00

abstract：:Doxorubicin is a chemotherapeutic agent prescribed for a variety of tumors. While undergoing treatment, patients exhibit frequent symptoms that suggest respiratory muscle weakness. Cancer patients can receive doxorubicin chemotherapy through either intravenous (IV) or intraperitoneal (IP) injections. We hypothesized t...

journal_title：Muscle & nerve

authors： Gilliam LA,Moylan JS,Callahan LA,Sumandea MP,Reid MB

更新日期：2011-01-01 00:00:00

abstract：:Patients with chronic inflammatory demyelinating polyneuropathy (CIDP) received immune globulin intravenous, 10% caprylate/chromatography purified (IGIV-C, Gamunex; n=59) or placebo (n=58) every 3 weeks for up to 24 weeks (first period) in a randomized, double-blind, parallel-group, response-conditional, crossover stu...

journal_title：Muscle & nerve

authors： Bril V,Katzberg H,Donofrio P,Banach M,Dalakas MC,Deng C,Hanna K,Hartung HP,Hughes RA,Latov N,Merkies IS,van Doorn PA,ICE Study Group.

更新日期：2009-04-01 00:00:00

abstract：:Peripheral neuropathy marked by reduced nerve conduction velocities was found in four unrelated children, between the ages of 15 months and 9 years, whose autopsies revealed Leigh's subacute necrotizing encephalomyelopathy. Sural nerve biopsies disclosed primary demyelination and remyelination, as well as loss of myel...

journal_title：Muscle & nerve

authors： Goebel HH,Bardosi A,Friede RL,Kohlschütter A,Albani M,Siemes H

更新日期：1986-02-01 00:00:00

abstract：:Impaired torque production is a major physical impairment following stroke, and has been studied extensively in isometric conditions. However, functional use of a limb requires torque production during movement, and the effects of velocity on maximal torque production may be abnormally enhanced in the paretic limb. Th...

journal_title：Muscle & nerve

authors： Lum PS,Patten C,Kothari D,Yap R

更新日期：2004-12-01 00:00:00

abstract：INTRODUCTION:In this study we examined relationships among mechanomyographic (MMG), electromyographic (EMG), and peak twitch torque (PTT) responses as well as test-retest reliability when recorded during recruitment curves in the soleus muscle. METHODS:PTT, EMG (M-wave, H-reflex), and MMG responses were recorded durin...

journal_title：Muscle & nerve

authors： Miramonti AA,Jenkins NDM,Oza PD,Weir JP,Cramer JT

更新日期：2017-07-01 00:00:00

abstract：:A 66-year-old professional golf instructor developed pain, numbness, and weakness in an ulnar distribution, but the lesion could not be localized to either elbow or wrist by routine nerve conduction techniques. Stimulation along serial 1-cm increments in the distal forearm disclosed a point of focal conduction block a...

journal_title：Muscle & nerve

authors： Campbell WW

更新日期：1989-05-01 00:00:00

abstract：:We studied 137 ulnar nerves and abductor digiti minimi (ADM) muscles in 70 patients with amyotrophic lateral sclerosis (ALS), and correlated the results with ADM strength graded on the Medical Research Council (MRC) scale, to address the potential value of a standardized neurophysiological assessment of this nerve-mus...

journal_title：Muscle & nerve

authors： de Carvalho M,Swash M

更新日期：2000-03-01 00:00:00

abstract：INTRODUCTION:Neuromuscular activation can be influenced by both muscle temperature (Tm) and fatigue. METHODS:To assess the effects of Tm and fatigue on the electromechanical delay (EMD), 15 participants performed voluntary isometric contractions of different intensities under neutral (TmN), low (TmL), and high (TmH) T...

journal_title：Muscle & nerve

authors： Cè E,Rampichini S,Agnello L,Limonta E,Veicsteinas A,Esposito F

更新日期：2013-04-01 00:00:00