Impact of initial muscle length on force deficit following lengthening contractions in mammalian skeletal muscle.

abstract：:To delineate change in median nerve size in carpal tunnel syndrome (CTS), we compared ultrasonograms of nerve cross-sections from patients (201 wrists of 125 women with idiopathic CTS) and controls (200 dominant wrists of 200 women). Major and minor axes, cross-sectional area, and the flattening ratio (major axis/mino...

journal_title：Muscle & nerve

authors： Nakamichi KI,Tachibana S

更新日期：2000-11-01 00:00:00

abstract：:We studied the effects of prolonged high-frequency stimulation in normal rat tail nerves. Nerves could conduct impulses at 50 Hz for 5 hours without complete conduction block. However, over time there was a significant decrease in amplitude and increase in latency of the compound nerve action potential (CNAP), which g...

journal_title：Muscle & nerve

authors： Robinson LR,Nielsen VK

更新日期：1990-04-01 00:00:00

abstract：INTRODUCTION:In this study we aimed to determine the maximal isometric muscle strength of a healthy, normal-weight, pediatric population between 6 and 15 years of age using hand-held dynamometry to establish strength reference values. The secondary objective was determining the relationship between strength and anthrop...

journal_title：Muscle & nerve

authors： Escobar RG,Munoz KT,Dominguez A,Banados P,Bravo MJ

更新日期：2017-01-01 00:00:00

abstract：:Clinical testing for neuromuscular dysfunction is supported by an extensive amount of excellent basic information about normal and abnormal subcellular physiology and ultrastructure. This information provides an essential frame of reference for describing the rationale of single-fiber electromyography (SFEMG). SFEMG i...

journal_title：Muscle & nerve

authors： Keesey JC

更新日期：1989-08-01 00:00:00

abstract：:A family is described in which five males have late-onset facial weakness, dysarthria, dysphagia, and slowly progressive proximal weakness. Electrodiagnostic studies and muscle biopsy were compatible with spinal muscular atrophy. This family appears quite similar to several previously reported families with late-onset...

journal_title：Muscle & nerve

authors： Ringel SP,Lava NS,Treihaft MM,Lubs ML,Lubs HA

更新日期：1978-07-01 00:00:00

abstract：INTRODUCTION:We sought to translate, cross-culturally adapt, and evaluate the internal consistency and validity of the Chinese version of the 15-Item Myasthenia Gravis Quality of Life (MG-QOL15). METHODS:Translation and cross-cultural adaptation of the MG-QOL15 were performed. We used Cronbach's α to test internal con...

journal_title：Muscle & nerve

authors： Miao X,Lian Z,Liu J,Chen H,Shi Z,Li M,Zhou H,Hu X,Yang R

更新日期：2019-01-01 00:00:00

abstract：INTRODUCTION:Electrical impedance myography (EIM) is an emerging non-invasive, highly reproducible electrophysiological technique that objectively characterizes muscle structure and composition by measuring bioimpedance. We assessed the ability of EIM ability to discriminate 2 forms of congenital muscular dystrophy (CM...

journal_title：Muscle & nerve

authors： Schwartz DP,Dastgir J,Salman A,Lear B,Bönnemann CG,Lehky TJ

更新日期：2016-03-01 00:00:00

abstract：:The purpose of this study was to evaluate the effects of spinal cord injury (SCI) and functional electrical stimulation (FES) of paralyzed muscles on type IV collagen content and proteins involving its degradation, which is initiated by matrix metalloproteinase (MMP)-2 and -9 and regulated by their tissue inhibitors (...

journal_title：Muscle & nerve

authors： Koskinen SO,Kjaer M,Mohr T,Sørensen FB,Suuronen T,Takala TE

更新日期：2000-04-01 00:00:00

abstract：:A 29-year-old Haitian man had a sore throat with a marked tonsillar exudate followed by the onset of increasingly blurred vision with swallowing difficulties and, then, a diffuse acute demyelinating neuropathy. Cerebrospinal fluid showed moderate pleiocytosis and elevated protein content. Serological testing for dipht...

journal_title：Muscle & nerve

authors： Créange A,Meyrignac C,Roualdes B,Degos JD,Gherardi RK

更新日期：1995-12-01 00:00:00

abstract：:This article describes a 37-year-old woman with progressive external ophthalmoplegia, peripheral neuropathy, and chronic intractable diarrhea. Laboratory studies disclosed lactic acidosis, ragged red fibers lacking cytochrome c oxidase, high-normal muscular mitochondrial enzymes, demyelinating neuropathy, leukoencepha...

journal_title：Muscle & nerve

authors： Uncini A,Servidei S,Silvestri G,Manfredi G,Sabatelli M,Di Muzio A,Ricci E,Mirabella M,Di Mauro S,Tonali P

更新日期：1994-06-01 00:00:00

abstract：:Electromyographic (EMG) recordings may serve an important role in predicting torque during repetitive activation of paralyzed muscle. We compared the initial M-wave to the subsequent M-waves of the same train under fatigued and recovered conditions in the paralyzed human soleus muscle. Sixteen individuals with chronic...

journal_title：Muscle & nerve

authors： Chang YJ,Shields RK

更新日期：2002-11-01 00:00:00

abstract：INTRODUCTION:Muscle fatigue could have a greater impact on position sense when antagonists of the movement are fatigued. Hence, this study aimed to compare the effects of antagonist and agonist exercise-induced muscle fatigue on knee joint position sense. METHODS:This within-subjects repeated-measures study included 4...

journal_title：Muscle & nerve

authors： Ribeiro F,Venâncio J,Quintas P,Oliveira J

更新日期：2011-08-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to determine the patterns of responses for the electromyographic (EMG) amplitude vs. oxygen uptake ( V̇O2 ) relationships from muscles of the quadriceps femoris and hamstrings during incremental treadmill running. METHODS:Twelve men volunteered to perform an incremental test to e...

journal_title：Muscle & nerve

authors： Camic CL,Kovacs AJ,Enquist EA,McLain TA,Hill EC

更新日期：2015-12-01 00:00:00

abstract：:The pathophysiology of hepatic neuropathy is poorly understood, but membrane depolarization due to a toxic inhibition of oxidative metabolism has been proposed. We investigated the relationship between nerve excitability properties, nerve dysfunction, and liver function in 11 pretransplant patients, the majority of wh...

journal_title：Muscle & nerve

authors： Ng K,Lin CS,Murray NM,Burroughs AK,Bostock H

更新日期：2007-06-01 00:00:00

abstract：:The clinical and neurophysiological features of multifocal motor neuropathy (MMN) indicate selective involvement of motor axons, but pathological abnormalities in sensory axons suggest a more widespread disease process. The present study was undertaken to determine whether the focal abnormalities are associated with w...

journal_title：Muscle & nerve

authors： Cappelen-Smith C,Kuwabara S,Lin CS,Burke D

更新日期：2002-12-01 00:00:00

abstract：:The mutual links between muscle pain and resting electromyographic (EMG) activity are still controversial. This study described effects of experimental muscle pain on resting EMG activity in a jaw-closing muscle and a leg muscle. Pain was induced by injections of hypertonic saline into the muscles in 10 subjects. Inje...

journal_title：Muscle & nerve

authors： Svensson P,Graven-Nielsen T,Matre D,Arendt-Nielsen L

更新日期：1998-11-01 00:00:00

abstract：INTRODUCTION:Thymectomy is required for the treatment of thymoma-associated myasthenia gravis (MG). However, MG may develop only after thymectomy, a condition known as post-thymectomy MG. This study aimed to investigate the risk factors for post-thymectomy MG in patients with thymoma. METHODS:We retrospectively identi...

journal_title：Muscle & nerve

authors： Kim A,Choi SJ,Kang CH,Lee S,Son H,Kim JA,Shin JY,Kim SM,Hong YH,Sung JJ

更新日期：2021-01-12 00:00:00

abstract：:The latency fluctuation of single motor unit potentials (MUPH) in the H-reflex is greater than the latency fluctuation of MUPs in the direct (MUPM) and recurrent (MUPF) responses. This has been attributed to the variability in the impulse generation at the site of nerve stimulation, and to the variation in the synapti...

journal_title：Muscle & nerve

authors： Soliven B,Maselli RA

更新日期：1992-06-01 00:00:00

abstract：:Peripheral nerve lesions are sometimes associated with focal dystonia. We diagnosed ulnar neuropathy in 28 of 73 (40%) cases of occupational cramp in musicians. Focal slowing of ulnar conduction across the elbow was identified in 15 of 19 (79%) patients using the near nerve technique and in 5 of 17 (29%) patients usin...

journal_title：Muscle & nerve

authors： Charness ME,Ross MH,Shefner JM

更新日期：1996-04-01 00:00:00

abstract：:KANDID is an advanced EMG decision support system dedicated to the support of the clinical neurophysiologist during EMG examinations. It has facilities for test planning, automatized and structured data interpretation, EMG diagnosis, explanation, and reporting. In a prospective European multicenter field trial, the ag...

journal_title：Muscle & nerve

authors： Vingtoft S,Fuglsang-Frederiksen A,Rønager J,Petrera J,Stigsby B,Willison RG,Jarratt JA,Fawcett PR,Schofield IS,Otte G

更新日期：1993-05-01 00:00:00

abstract：:The clinical efficacy of functional electrical stimulation (FES) is limited by the rapid onset of fatigue. Functional electrical stimulation applications typically stimulate skeletal muscles with constant-frequency trains (CFTs). Our laboratory has identified trains that we call doublet-frequency trains (DFTs) and tha...

journal_title：Muscle & nerve

authors： Scott WB,Lee SC,Johnston TE,Binder-Macleod SA

更新日期：2005-05-01 00:00:00

abstract：:The utilization of viable biological nerve graft substitutes and nerve allografts raises the problem of nerve storage. To clarify this, rat sciatic nerve segments were harvested and stored in Dulbecco's modified eagle medium. The segments were divided into three groups. In the first group, no cryoprotectant was added,...

journal_title：Muscle & nerve

authors： Fansa H,Lassner F,Kook PH,Keilhoff G,Schneider W

更新日期：2000-08-01 00:00:00

abstract：:Involuntary muscle contractions are common after spinal cord injury (SCI). Increased sensitivity to Ia muscle afferent input may contribute to the development of these spasms. Since tendon vibration results in a period of postactivation depression of the Ia synapse, we sought to determine whether Achilles tendon vibra...

journal_title：Muscle & nerve

authors： Butler JE,Godfrey S,Thomas CK

更新日期：2006-05-01 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:We evaluated the contribution of denervation-related molecular processes to rotator cuff muscle degeneration after tendon release. METHODS:We assessed the levels of myogenic (myogenin and myogenic differentiation factor [myoD]) and proadipogenic (peroxisome proliferator-activated receptor γ) transcription...

journal_title：Muscle & nerve

authors： Flück M,Valdivieso P,Ruoss S,von Rechenberg B,Benn MC,Meyer DC,Wieser K,Gerber C

更新日期：2019-01-01 00:00:00

abstract：INTRODUCTION:We adopted a proteomics-based approach to gain insights into phenotypic differences between A/J and B10.SJL murine dysferlinopathy models. METHODS:We optimized immunoblotting of dysferlin by preparing homogenates of the tibialis anterior (TA) muscle under several different conditions. We compared TA muscl...

journal_title：Muscle & nerve

authors： Mueller AL,Desmond PF,Hsia RC,Roche JA

更新日期：2014-08-01 00:00:00

abstract：:Being the smallest functional units under neural control, motor units play an integral role in muscle physiology. However, at the present time, there does not exist any widely accepted technique for quantifying or estimating the number of motor units in a muscle. Specifically, the existing techniques are the increment...

journal_title：Muscle & nerve

authors： Slawnych MP,Laszlo CA,Hershler C

更新日期：1990-11-01 00:00:00

abstract：INTRODUCTION:The radial nerve and posterior interosseous nerve (PIN) are prone to injury at multiple sites. Electrodiagnostic (EDx) studies may only identify the most proximal lesion. Nerve ultrasound could augment EDx by visualizing additional pathology. METHODS:This investigation was a retrospective examination of u...

journal_title：Muscle & nerve

authors： Dietz AR,Bucelli RC,Pestronk A,Zaidman CM

更新日期：2016-03-01 00:00:00

abstract：INTRODUCTION:Muscle growth and regeneration are processes closely associated with proliferation, differentiation, and apoptosis of muscle cells. Death-associated protein 1 (DAP1) has been identified as a negative regulator of autophagy. Little is known about the function of DAP1 in the regulation of myogenesis and sate...

journal_title：Muscle & nerve

authors： Shin J,McFarland DC,Strasburg GM,Velleman SG

更新日期：2013-11-01 00:00:00

abstract：:Charcot-Marie-Tooth (CMT) disease is a heterogeneous group of inherited sensory and motor neuropathies. Mutations in the gene that encodes for myelin protein zero (MPZ) can produce different phenotypes: CMT1 (with low conduction velocities), CMT2 (less frequent and with unaffected conduction velocities), and CMTID (wi...

journal_title：Muscle & nerve

authors： Banchs I,Casasnovas C,Montero J,Volpini V,Martínez-Matos JA

更新日期：2010-08-01 00:00:00