Abnormalities of axonal excitability are not generalized in early multifocal motor neuropathy.

abstract：:The aim of this investigation was to define the boundaries of compound motor action potential (CMAP) dispersion, amplitude decay, and area decay in a control population and determine their dependence on external variables such as age and interelectrode distance. Measurements were made from median, ulnar, and common pe...

journal_title：Muscle & nerve

authors： Taylor PK

更新日期：1993-11-01 00:00:00

abstract：:To determine if short TI (time to inversion) recovery (STIR) magnetic resonance imaging (MRI) is useful in assessing lower extremity (LE) denervation in subacute lumbar radiculopathy (LR), 25 subjects underwent lumbar spine MRI, LE STIR MRI and needle electromyography (EMG). In 23 (92%) subjects there was a positive c...

journal_title：Muscle & nerve

authors： Carter GT,Fritz RC

更新日期：1997-09-01 00:00:00

abstract：INTRODUCTION:Anecdotal reports from families and care providers suggest a wide variation in services received by individuals with Duchenne/Becker muscular dystrophy (DBMD). METHODS:We documented the type and frequency of health services received by individuals with DBMD using the Muscular Dystrophy Surveillance Tracki...

journal_title：Muscle & nerve

authors： Pandya SK,Campbell KA,Andrews JG,Meaney FJ,Ciafaloni E

更新日期：2016-02-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to examine the coping strategies of 49 patients with amyotrophic lateral sclerosis (ALS) and the relationships of these strategies to their perceived health-related quality of life (HRQoL). METHODS:Forty-nine subjects were assessed for collection of demographic and medical data. ...

journal_title：Muscle & nerve

authors： Montel S,Albertini L,Spitz E

更新日期：2012-01-01 00:00:00

abstract：:Techniques to estimate motor unit number (MUNE) measure the number of functioning motor units in a muscle. As amyotrophic lateral sclerosis (ALS) is characterized by progressive motor unit loss, this disease offers an ideal setting for the use of MUNE. Statistical MUNE was employed in a recent multicenter trial of cre...

journal_title：Muscle & nerve

authors： Shefner JM,Cudkowicz ME,Zhang H,Schoenfeld D,Jillapalli D,Northeast ALS Consortium.

更新日期：2007-02-01 00:00:00

abstract：:Exertional muscle pain, contractures, recurrent rhabdomyolysis, and pigmenturia are common in certain muscle glycolytic disorders. However, the frequency, distribution, and long-term significance of these findings are poorly understood. First we performed magnetic resonance imaging (MRI) of the extremities as a screen...

journal_title：Muscle & nerve

authors： Fleckenstein JL,Peshock RM,Lewis SF,Haller RG

更新日期：1989-10-01 00:00:00

abstract：:Muscle weakness, studied in 4 patients with multiple sclerosis (MS), was compared with values from normal subjects. Twitch occlusion showed that normal subjects could activate their muscles maximally, but patients rarely achieved greater than 60% activation. In both groups, motoneuron firing rates increased linearly w...

journal_title：Muscle & nerve

authors： Rice CL,Vollmer TL,Bigland-Ritchie B

更新日期：1992-10-01 00:00:00

abstract：:There is a paucity of validated tests to quantify hand function impairment due to carpal tunnel syndrome (CTS). The aim of this study was to test the validity and reliability of the Purdue Pegboard Test (PPT) in CTS patients. We compared 190 CTS patients with 122 healthy, age-matched controls. CTS severity was determi...

journal_title：Muscle & nerve

authors： Amirjani N,Ashworth NL,Olson JL,Morhart M,Chan KM

更新日期：2011-02-01 00:00:00

abstract：:Loss of cells from the motor system occurs during the normal aging process, leading to reduction in the complement of motor neurons and muscle fibers. The latter age-related decrease in muscle mass has been termed "sarcopenia" and is often combined with the detrimental effects of a sedentary lifestyle in older adults,...

journal_title：Muscle & nerve

authors： Vandervoort AA

更新日期：2002-01-01 00:00:00

abstract：:Implantation of normal muscle precursor cells (mpc) for treatment for inherited myopathies such as Duchenne muscular dystrophy is in clear need of improvement to become practicable, but few variables have been studied comparatively. Here, we report the first quantitative estimate of the effectiveness of implanting mpc...

journal_title：Muscle & nerve

authors： Morgan JE,Fletcher RM,Partridge TA

更新日期：1996-02-01 00:00:00

abstract：:Hindlimb unloading (HU) results in oxidative stress, skeletal muscle atrophy, and increased damage upon reloading. Heat shock proteins (HSPs) protect against oxidative stress. However, it is unknown whether HSPs are depressed with long-term unloading (28 days) or reloading. We tested the hypotheses that long-term HU w...

journal_title：Muscle & nerve

authors： Lawler JM,Song W,Kwak HB

更新日期：2006-02-01 00:00:00

abstract：:Somatosensory evoked potentials (SEPs) and motor evoked potentials (MEPs) to transcranial and spinal stimulation from upper and lower limb muscles were elicited in 13 patients with syringomyelia. Seven had an associated Chiari type I anomaly. Diagnosis was confirmed by MRI. In 5 cases, SEPs and MEPs were performed bef...

journal_title：Muscle & nerve

authors： Nogués MA,Pardal AM,Merello M,Miguel MA

更新日期：1992-09-01 00:00:00

abstract：INTRODUCTION:Pretreatment with pyridostigmine bromide (PB) of human intercostal muscle fibers exposed to the irreversible acetylcholinesterase (AChE) inhibitor soman was investigated. METHODS:Muscles were pretreated with 3 × 10(-6) M PB or saline for 20 minutes, then exposed to 10(-7) M soman for 10 minutes. RESULTS:...

journal_title：Muscle & nerve

authors： Maselli RA,Henderson JD,Ng J,Follette D,Graves G,Wilson BW

更新日期：2011-04-01 00:00:00

abstract：:Seventy-five consecutive patients with clinical symptoms and signs of meralgia paresthetica underwent bilateral somatosensory evoked potential (SEP) studies involving stimulation of skin areas innervated by the lateral and anterior femoral cutaneous nerves of the thighs. The most common abnormality was an absolute lat...

journal_title：Muscle & nerve

authors： Cordato DJ,Yiannikas C,Stroud J,Halpern JP,Schwartz RS,Akbunar M,Cook M

更新日期：2004-01-01 00:00:00

abstract：INTRODUCTION:We report preliminary findings of nerve ultrasound in patients with cerebellar ataxia neuropathy vestibular areflexia syndrome (CANVAS) who have sensory impairment due to dorsal root ganglionopathy. METHODS:The ultrasound cross-sectional area (CSA) of median and ulnar nerves of 7 CANVAS patients was compa...

journal_title：Muscle & nerve

authors： Pelosi L,Leadbetter R,Mulroy E,Chancellor AM,Mossman S,Roxburgh R

更新日期：2017-07-01 00:00:00

abstract：:Epstein-Barr virus infection can affect both the central and peripheral nervous system. In some patients this occurs concurrently. Two patients are presented with encephalopathy and acute quadriparesis with diminished reflexes. Positive serology for Epstein-Barr virus was found in both patients. Both patients had a ce...

journal_title：Muscle & nerve

authors： Morgenlander JC

更新日期：1996-08-01 00:00:00

abstract：:Electrophysiological studies were performed on the ventral tail nerve of adult rats following intraperitoneal injection of a crude extract of ciguatoxin from known toxic fish flesh. Ciguatoxin induced significant slowing of both mixed and motor nerve conduction velocities and also significant reductions in both motor ...

journal_title：Muscle & nerve

authors： Cameron J,Flowers AE,Capra MF

更新日期：1993-07-01 00:00:00

abstract：:Absence of α-actinin-3, encoded by the ACTN3 "speed gene," is associated with poorer sprinting performance in athletes and a slowing of relaxation in fast-twitch muscles of Actn3 knockout (KO) mice. Our first aim was to investigate, at the individual-fiber level, possible mechanisms for this slowed relaxation. Our sec...

journal_title：Muscle & nerve

authors： Chan S,Seto JT,Houweling PJ,Yang N,North KN,Head SI

更新日期：2011-01-01 00:00:00

abstract：:Genetically homozygous line 413 dystrophic chickens were given twice-daily intraperitoneal injections of solutions containing branched-chain amino acids (BCCA-leucine, valine, isoleucine) either alone or in combination; and their alpha-ketoacid analogs (alpha-ketoisocaproic and alpha-ketoisovaleric acids). Another tri...

journal_title：Muscle & nerve

authors： Hudecki MS,Pollina CM,Heffner RR

更新日期：1982-07-01 00:00:00

abstract：:The dropped head syndrome occurs in a variety of neuromuscular disorders. We present a woman with chronic inflammatory demyelinating polyneuropathy who developed this syndrome, likely reflecting severe demyelination of nerves to cervical paraspinal muscles. ...

journal_title：Muscle & nerve

authors： Hoffman D,Gutmann L

更新日期：1994-07-01 00:00:00

abstract：:The effects of altering (cross-reinnervation, CR) and/or eliminating (spinal isolation, SI) the activation-dependent neural input to the cat soleus for 8 months on its mechanical and biochemical properties were determined. The percent fast fibers was 0, 27, 38, and 54% for normal control (NC), NC-CR, SI, and SI-CR cat...

journal_title：Muscle & nerve

authors： Roy RR,Eldridge L,Baldwin KM,Edgerton VR

更新日期：1996-06-01 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：INTRODUCTION:The 6-minute walk test (6MWT) is a well-established clinical assessment of functional endurance, validated as a measure of walking ability in spinal muscular atrophy (SMA). The current availability of disease-modifying therapies for SMA indicates a growing need for normative reference data to compare SMA p...

journal_title：Muscle & nerve

authors： Goodwin AM,Cornett KMD,McKay MJ,Burns J,Garber CE,De Vivo DC,Montes J

更新日期：2020-03-01 00:00:00

abstract：:The goal of this study was to estimate the accuracy of concentric-needle single-fiber electromyography (CN-SFEMG) for the diagnosis of myasthenia gravis (MG). A consecutive series of patients referred for CN-SFEMG was evaluated by an investigator blinded to the results of CN-SFEMG in order to determine the presence or...

journal_title：Muscle & nerve

authors： Benatar M,Hammad M,Doss-Riney H

更新日期：2006-08-01 00:00:00

abstract：INTRODUCTION:We assessed antibodies against low-density lipoprotein receptor-related protein 4 (LRP4-Ab) in a Chinese population with myasthenia gravis (MG). METHODS:Serum samples from 116 patients and 80 controls were collected. Acetylcholine receptor antibodies(AChR-Ab) and muscle-specific receptor tyrosine kinase a...

journal_title：Muscle & nerve

authors： Li Y,Zhang Y,Cai G,He D,Dai Q,Xu Z,Chu L

更新日期：2017-11-01 00:00:00

abstract：:CNS conduction and autonomic nervous function were investigated in 15 patients with HMSN I. Central motor conduction time (CMCT) was estimated with magnetic brain stimulation and electrical nerve root stimulation. Somatosensory evoked potential (SEP) and visual evoked potential (VEP) were used for assessment of centra...

journal_title：Muscle & nerve

authors： Solders G,Andersson T,Persson A

更新日期：1991-11-01 00:00:00

abstract：:The distribution of collagen types I, III, and V and fibronectin was investigated by means of immunofluorescent techniques in denervated and normal rat skeletal muscle. During a period of 28 days, a distinct atrophy developed in the denervated gastrocnemius muscle and was accompanied by an increase in types I and III ...

journal_title：Muscle & nerve

authors： Salonen V,Lehto M,Kalimo M,Penttinen R,Aro H

更新日期：1985-02-01 00:00:00

abstract：:The loss of muscle strength with aging appears to be greater in the lower than upper limbs, but strength and its neural control have never been compared in the same population of individuals in both upper and lower limbs. The aim of this study was to investigate differences between eight young (20-31 years) and eight ...

journal_title：Muscle & nerve

authors： Bazzucchi I,Felici F,Macaluso A,De Vito G

更新日期：2004-11-01 00:00:00

abstract：:The clinical, pathologic, and genetic findings of a boy with intranuclear nemaline rod myopathy are described. Serial muscle biopsies revealed myocyte nuclei containing inclusions that were immunoreactive for alpha-actinin and increased with age. Genetic analysis revealed a Val163Leu ACTA1 mutation previously associat...

journal_title：Muscle & nerve

authors： Kaimaktchiev V,Goebel H,Laing N,Narus M,Weeks D,Nixon R

更新日期：2006-09-01 00:00:00

abstract：:Twenty patients with neurogenic disorders, polymyositis, or muscular dystrophies were assessed clinically and by CT imaging of limb, limb girdle, and trunk muscles, using a standard protocol. On each side of these patients 26 movements were graded by the MRC scale, and 20 muscles were assessed by CT imaging. The clini...

journal_title：Muscle & nerve

authors： Swash M,Brown MM,Thakkar C

更新日期：1995-07-01 00:00:00