Association between muscle architecture and quadriceps femoris H-reflex.

abstract：:To evaluate the effect of SMN2 copy number on disease severity in spinal muscular atrophy (SMA), we stratified 45 adult SMA patients based on SMN2 copy number (3 vs. 4 copies). Patients with 3 copies had an earlier age of onset and lower spinal muscular atrophy functional rating scale (SMAFRS) scores and were more lik...

journal_title：Muscle & nerve

authors： Elsheikh B,Prior T,Zhang X,Miller R,Kolb SJ,Moore D,Bradley W,Barohn R,Bryan W,Gelinas D,Iannaccone S,Leshner R,Mendell JR,Mendoza M,Russman B,Smith S,King W,Kissel JT

更新日期：2009-10-01 00:00:00

abstract：:Toxoplasma gondii encysts in skeletal muscle. Although only rarely found at muscle biopsy, this parasite has previously been regarded as a possible cause of polymyositis. We report a case of biopsy-proven toxoplasmic myositis in a non-HIV-infected patient that led to recognition of idiopathic CD4 lymphocytopenia (ICL)...

journal_title：Muscle & nerve

authors： Plonquet A,Bassez G,Authier FJ,Dray JM,Farcet JP,Gherardi RK

更新日期：2003-06-01 00:00:00

abstract：INTRODUCTION:Repetitive loading of the low back tissues induces tension relaxation with a corresponding variation in the myoelectric response of the neuromuscular system, which may influence low back health. The purpose of this study was to observe trunk muscle activities before and after a passive cyclic trunk flexion...

journal_title：Muscle & nerve

authors： Olson MW

更新日期：2011-11-01 00:00:00

abstract：:Type 1 diabetes mellitus (T1DM) is associated with a peripheral neuropathy that reduces nerve conduction velocity. This may impair high motor-unit discharge frequencies (MUDF), decrease muscle activation, and curtail the ability to sustain repetitive contractile tasks. We examined (1) whether MUDF, the contractile pro...

journal_title：Muscle & nerve

authors： Almeida S,Riddell MC,Cafarelli E

更新日期：2008-02-01 00:00:00

abstract：:We describe a patient who developed seropositive myasthenia gravis 16 years after she was diagnosed with autoimmune premature ovarian failure with antibodies to the receptor for follicle-stimulating hormone (FSH). Although thymectomy led to improvement of her myasthenic symptoms, menses did not resume. Such combined s...

journal_title：Muscle & nerve

authors： Ryan MM,Jones HR Jr

更新日期：2004-08-01 00:00:00

abstract：:Body components were measured noninvasively in patients with neuromuscular disease by using dual-energy X-ray absorptiometry (DXA), capable of separately analyzing fat, bone, and muscle content. In all patients with muscle atrophy of myogenic or neurogenic origin, muscle mass was markedly reduced. Although all three c...

journal_title：Muscle & nerve

authors： Kanda F,Fujii Y,Takahashi K,Fujita T

更新日期：1994-04-01 00:00:00

abstract：INTRODUCTION:We tested for the presence of erythropoietin receptor (Epo-R) in human skeletal muscle and alterations in gene expression after prolonged use of an erythropoiesis-stimulating agent (ESA). METHODS:Nine healthy men were treated with ESA for 10 weeks (darbepoietin alfa). Muscle biopsies were collected before...

journal_title：Muscle & nerve

authors： Christensen B,Nellemann B,Thorsen K,Nielsen MM,Pedersen SB,Ornstrup MJ,JØrgensen JO,Jessen N

更新日期：2015-04-01 00:00:00

abstract：:Recent studies on the distribution of labeled endogenous proteins in the experimental neuropathies induced by streoptozotocin diabetes, galactose feeding, zinc pyridinethione, 2,5-hexanedione, acrylamide, and p-bromophenylacetylurea (BPAU) have demonstrated an impaired build up of retrogradely transported material der...

journal_title：Muscle & nerve

authors： Jakobsen J,Brimijoin S,Sidenius P

更新日期：1983-02-01 00:00:00

abstract：INTRODUCTION:In this study we investigated the interaction between adipose tissue-derived stem cells (ASCs) and myoblasts in co-culture experiments. METHODS:Specific inductive media were used to differentiate ASCs in vitro into a Schwann cell-like phenotype (differentiated adipose tissue-derived stem cells, or dASCs) ...

journal_title：Muscle & nerve

authors： El-Habta R,Kingham PJ,Backman LJ

更新日期：2018-02-01 00:00:00

abstract：INTRODUCTION:The risk of cancer in patients diagnosed with myotonic dystrophy (DM) is reported for the homogeneous Utah population. METHODS:Clinical data accessed from the largest Utah healthcare providers have been record-linked to the Utah Population Database, a population-based resource also linked to the Utah Canc...

journal_title：Muscle & nerve

authors： Abbott D,Johnson NE,Cannon-Albright LA

更新日期：2016-10-01 00:00:00

abstract：INTRODUCTION:Valosin-containing protein (VCP) variants that affect muscle, bone, and the nervous system are termed multisystem proteinopathy. VCP myopathy is manifested as limb-girdle weakness, distal weakness and scapuloperoneal weakness. METHODS:We reviewed clinical, genetic, and muscle biopsy data from 6 members of...

journal_title：Muscle & nerve

authors： Guo X,Zhao Z,Shen H,Qi B,Li N,Hu J

更新日期：2019-03-01 00:00:00

abstract：:We developed electrophysiologic methods for testing the three major forelimb nerves as a tool to evaluate motor and sensory recovery in rats. Median, ulnar, or radial nerves were transected and repaired in Sprague-Dawley rats. Compound muscle action potentials (CMAPs) and somatosensory evoked potentials (SSEPs) were r...

journal_title：Muscle & nerve

authors： Wang H,Sorenson EJ,Spinner RJ,Windebank AJ

更新日期：2008-10-01 00:00:00

abstract：:Force fluctuations in leg muscles increase after bedrest, perhaps due to modulation of the neural strategy that is specific to a muscle or common to agonist muscles. The purpose of this study was to examine the modulation of muscle activity and force fluctuations during steady contractions with variable involvement of...

journal_title：Muscle & nerve

authors： Yoshitake Y,Kouzaki M,Fukuoka H,Fukunaga T,Shinohara M

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND:In adult males, cross-sectional area (CSA) for type II muscle fibers is generally larger than for type I fibers. In this cross-sectional study the aim was to compare sex-related CSAs of various muscle fiber types during childhood-to-adulthood transition. METHODS:Percutaneous biopsy samples were obtained fro...

journal_title：Muscle & nerve

authors： Esbjörnsson ME,Dahlström MS,Gierup JW,Jansson EC

更新日期：2020-12-21 00:00:00

abstract：:Compound muscle action potentials (CMAPs) evoked by magnetic brain stimuli are larger if the subject provides a steady background voluntary contraction of the target muscle. This facilitation could be due either to cortical or spinal mechanisms, or both. Both magnetic and electrical stimuli given immediately after the...

journal_title：Muscle & nerve

authors： Mills KR,Kimiskidis V

更新日期：1996-08-01 00:00:00

abstract：:Bariatric surgical procedures are increasingly common. In this review, we characterize the neurologic complications of such procedures, including their mechanisms, frequency, and prognosis. Literature review yielded 50 case reports of 96 patients with neurologic symptoms after bariatric procedures. The most common pre...

journal_title：Muscle & nerve

authors： Koffman BM,Greenfield LJ,Ali II,Pirzada NA

更新日期：2006-02-01 00:00:00

abstract：:Muscular dystrophy is defined as the progressive wasting of skeletal muscles that is caused by inherited or spontaneous genetic mutations. Next-generation sequencing has greatly improved the accuracy and speed of diagnosis for different types of muscular dystrophy. Advancements in depth of coverage, convenience, and o...

journal_title：Muscle & nerve

authors： Hightower RM,Alexander MS

更新日期：2018-01-01 00:00:00

abstract：:Motor evoked potentials (MEPs) obtained by electrical root stimulation and F waves were used to examine the proximal nerve conduction velocity (CV) to tibialis anterior (TA), extensor digitorum brevis (EDB), flexor carpi radialis (FCR), and abductor pollicis brevis (APB) muscles in 40 humans. By subtracting motor late...

journal_title：Muscle & nerve

authors： Zwarts MJ,Guechev A

更新日期：1995-11-01 00:00:00

abstract：INTRODUCTION:To evaluate the sensitivity of electrophysiologic assessments, we compared F-waves and motor and sensory nerve conduction studies (MNCS and SNCS) in patients with diabetes mellitus (DM). METHODS:We tested median, ulnar, tibial, and fibular nerves in 132 DM patients divided into those with and without clin...

journal_title：Muscle & nerve

authors： Pan H,Jian F,Lin J,Chen N,Zhang C,Zhang Z,Ding Z,Wang Y,Cui L,Kimura J

更新日期：2014-06-01 00:00:00

abstract：:The site of the recording electrode influences the amplitude of the compound muscle action potential (CMAP) and its variation over a length of nerve. The effects of large electrodes on this source of intraindividual variability were assessed. Right median nerves of 20 healthy subjects were studied, and recordings made...

journal_title：Muscle & nerve

authors： van Dijk JG,Tjon-a-Tsien A,van der Kamp W

更新日期：1995-01-01 00:00:00

abstract：INTRODUCTION:Myasthenia gravis (MG) is a B-cell-mediated autoimmune disease. B-cell-activating factor (BAFF) is a major factor in B-cell development and activation. In this study we investigated serum BAFF levels in MG patients. METHODS:We compared the serum BAFF levels of 20 MG patients with gender-matched healthy co...

journal_title：Muscle & nerve

authors： Kang SY,Kang CH,Lee KH

更新日期：2016-12-01 00:00:00

abstract：INTRODUCTION:Ulnar nerve displacement at the elbow causes overestimation of nerve conduction velocity. We hypothesized that this overestimation may cause false-negative results when the American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM) diagnostic criteria are used. METHODS:We investigated 9 ...

journal_title：Muscle & nerve

authors： Won SJ,Yoon JS,Kim JY,Kim SJ,Jeong JS

更新日期：2011-10-01 00:00:00

abstract：INTRODUCTION:Venous access for therapeutic plasma exchange (TPE) in myasthenia gravis (MG) can be achieved by central venous catheters (CVC) or peripheral veins (PV), and the preferred method varies among providers. We evaluated our institutional experience with TPE venous access method and complications. METHODS:We r...

journal_title：Muscle & nerve

authors： Guptill JT,Oakley D,Kuchibhatla M,Guidon AC,Hobson-Webb LD,Massey JM,Sanders DB,Juel VC

更新日期：2013-02-01 00:00:00

abstract：:L1 radiculopathy is very rare and difficult to diagnose with needle electromyography. A patient presented with pain and hypesthesia on the anterolateral aspect of the left thigh. Nerve conduction studies and needle electromyography were normal, except for the quadratus lumborum and iliopsoas muscles, which showed abno...

journal_title：Muscle & nerve

authors： Yang SN,Kim DH

更新日期：2010-04-01 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：: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：:Many post-polio patients develop new muscle weakness decades after the initial illness. However, its mechanism and treatment are controversial. The purpose of this study was to test the hypotheses that: (1) after strength training, post-polio patients show strength improvement comparable to that seen in the healthy el...

journal_title：Muscle & nerve

authors： Chan KM,Amirjani N,Sumrain M,Clarke A,Strohschein FJ

更新日期：2003-03-01 00:00:00

abstract：:A middle-aged male developed a right posterior femoral cutaneous neuralgia that persisted for 10 years without any associated neurologic, electrophysiologic, or radiologic findings. Five years after onset, surgical exploration of the subgluteal area identified a venous malformation surrounding the nerve. The syndrome ...

journal_title：Muscle & nerve

authors： Chutkow JG

更新日期：1988-11-01 00:00:00

abstract：:The cerebrospinal fluid (CSF) of patients with demyelinating neurological disease, such as Guillain-Barré syndrome or multiple sclerosis, contains factors that inhibit the excitatory Na+ current. Such antiexcitatory factors are occasionally also detectable in CSF from patients with other neurological diseases but were...

journal_title：Muscle & nerve

authors： Brinkmeier H,Seewald MJ,Wollinsky KH,Rüdel R

更新日期：1996-01-01 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