Action potential shape of rabbit masseter motor units and jaw angle.

abstract：INTRODUCTION:The aim of this study was to compare ultrasound echo intensity (EI) with high-resolution T1 -weighted MRI and to establish calibration equations to estimate percent intramuscular fat from EI. METHODS:Thirty-one participants underwent both ultrasound and MRI testing of 4 muscles: rectus femoris (RF); bicep...

journal_title：Muscle & nerve

authors： Young HJ,Jenkins NT,Zhao Q,Mccully KK

更新日期：2015-12-01 00:00:00

abstract：:Six members originating from two families with hereditary motor and sensory neuropathy (hypertrophic and neuronal types) were noted to have enlarged calf muscles. Muscle computed tomography revealed that muscle enlargement in the propositus of the family with the hypertrophic type of HMSN was due to an increase in mus...

journal_title：Muscle & nerve

authors： De Visser M,Hoogendijk JE,Ongerboer BW,Verbeeten BJ Jr

更新日期：1990-01-01 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：INTRODUCTION:C8-root impingement by C7/T1 lesions on neuroimaging studies is not consistently observed in C8 radiculopathy. We hypothesized that C7 or T1 root lesions (with a pre- or postfixed plexus) or cervical myelopathy might explain some "C8 radiculopathies" without C8 root compression. METHODS:Retrospective anal...

journal_title：Muscle & nerve

authors： Hehir MK,Figueroa JJ,Zynda-Weiss AM,Stanton M,Logigian EL

更新日期：2012-06-01 00:00:00

abstract：:Mitochondrial trifunctional protein (TFP) deficiency is a rare disorder of the fatty acid beta-oxidation cycle with heterogeneous phenotypes and occurs secondary to either alpha- or beta-subunit mutations. We characterized the neuromyopathic phenotype of TFP deficiency through adolescence or adulthood in 11 patients, ...

journal_title：Muscle & nerve

authors： Spiekerkoetter U,Bennett MJ,Ben-Zeev B,Strauss AW,Tein I

更新日期：2004-01-01 00:00:00

abstract：:In an attempt to determine the relative importance of the nerve cell body and of the axon in initiating and controlling axonal regeneration, nerve cell bodies were irradiated and the ability of the distal axon to sprout was examined. Mice were subjected to either 25 or 50 Gray (Gy) of x-irradiation localized to the lu...

journal_title：Muscle & nerve

authors： Pamphlett RS

更新日期：1988-05-01 00:00:00

abstract：:Ventricular repolarization dysfunction has recently been reported in multiple sclerosis (MS). We evaluated ventricular repolarization dysfunction in 52 MS patients and looked for a relationship between corrected QT (QTc) abnormalities (i.e., abnormalities of QT intervals corrected for rate) and spinal cord magnetic re...

journal_title：Muscle & nerve

authors： de Seze J,Stojkovic T,Gauvrit JY,Saint Michel T,Ayachi M,Pruvo JP,Vermersch P

更新日期：2000-08-01 00:00:00

abstract：:This study was designed to compare electromyogram (EMG) and acoustic myogram (AMG) recordings of biceps brachii muscles in patients with spastic cerebral palsy (CP). The maximal voluntary contraction (MVC) in the CP group was approximately one half of that of the normal group even after being normalized by the muscle ...

journal_title：Muscle & nerve

authors： Akataki K,Mita K,Itoh K,Suzuki N,Watakabe M

更新日期：1996-10-01 00:00:00

abstract：:Tarsal tunnel syndrome is relatively rare and the diagnosis may be difficult even though the etiologies for the syndrome are multiple. The symptoms are often vague but are usually burning pain and paresthesias in the toes and soles of the feet with nocturnal exacerbations. The physical examination may elicit a sensory...

journal_title：Muscle & nerve

authors： DeLisa JA,Saeed MA

更新日期：1983-11-01 00:00:00

abstract：BACKGROUND:We aimed at evaluating the differential involvement of large myelinated Aβ-, small myelinated Aδ-, and unmyelinated C-fibers in patients with diabetic polyneuropathy and how they contribute to neuropathic pain. METHODS:We collected clinical and diagnostic test variables in 133 consecutive patients with diab...

journal_title：Muscle & nerve

authors： Galosi E,Di Pietro G,La Cesa S,Di Stefano G,Leone C,Fasolino A,Di Lionardo A,Leonetti F,Buzzetti R,Mollica C,Cruccu G,Truini A

更新日期：2021-01-01 00:00:00

abstract：:The aim of this study was to estimate normal jitter in voluntarily activated extensor digitorum communis (EDC) and orbicularis oculi (OOc) muscles using a disposable concentric needle electrode (CNE). The EDC of 67 normal subjects (22 males and 45 females, mean age 35.5 +/- 10.2 years) and the OOc of 50 normal subject...

journal_title：Muscle & nerve

authors： Kouyoumdjian JA,Stålberg EV

更新日期：2008-06-01 00:00:00

abstract：:There is a suprasegmental influence on the masseter reflex (MassR) in animals, which is mediated via the fifth nerve spinal nucleus (5SpN). Corresponding data in humans are lacking. Out of 268 prospectively recruited patients with clinical signs of acute brainstem infarctions, we identified 38 with magnetic resonance ...

journal_title：Muscle & nerve

authors： Thömke F,Marx JJ,Cruccu G,Stoeter P,Hopf HC

更新日期：2007-10-01 00:00:00

abstract：:Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and membranous glomerulonephritis (MGN) are both autoimmune disorders that are rarely observed concurrently. We describe a patient who developed MGN nearly 20 years after the onset of CIDP, resulting in a secondary progression of his neuropathy. He respo...

journal_title：Muscle & nerve

authors： Smyth S,Menkes DL

更新日期：2008-01-01 00:00:00

abstract：:Electromyographic examination of the deeper external anal sphincter (EAS) muscle is far more uncomfortable than of the subcutaneous muscle, so we tested the need for its examination. We compared the findings in 85 paired examinations of ipsilateral subcutaneous and deeper EAS muscles in 67 patients with a cauda equina...

journal_title：Muscle & nerve

authors： Podnar S

更新日期：2003-09-01 00:00:00

abstract：INTRODUCTION:Symptoms often return in patients with carpal tunnel syndrome (CTS) who are treated with a local corticosteroid injection. We aimed to determine prognostic factors for a successful long-term outcome. METHODS:We prospectively followed 113 patients who received an injection for CTS. Clinical, electrophysiol...

journal_title：Muscle & nerve

authors： Meys V,Thissen S,Rozeman S,Beekman R

更新日期：2011-11-01 00:00:00

abstract：:Skeletal muscle cells are hypertrophied by mechanical stresses, but the underlying molecular mechanisms are not fully understood. Two signaling pathways, phosphatidylinositol 3-kinase (PI3K)/Akt to target of rapamycin (TOR) and extracellular signal-regulated kinase kinase (MEK) to extracellular signal-regulated kinase...

journal_title：Muscle & nerve

authors： Sasai N,Agata N,Inoue-Miyazu M,Kawakami K,Kobayashi K,Sokabe M,Hayakawa K

更新日期：2010-01-01 00:00:00

abstract：:We studied the effects of a 12-week progressive resistance strength training program in weakened muscles of 5 patients with sporadic inclusion body myositis (IBM). Strength was evaluated with Medical Research Council (MRC) scale ratings and quantitative isometric and dynamic tests. Changes in serum creatine kinase (CK...

journal_title：Muscle & nerve

authors： Spector SA,Lemmer JT,Koffman BM,Fleisher TA,Feuerstein IM,Hurley BF,Dalakas MC

更新日期：1997-10-01 00:00:00

abstract：:Electrophysiologic findings in thallium intoxication are usually untimely, limited in extent, and often uninformative. This report documents serial conduction and electromyographic findings in a case of thallium poisoning, beginning 10 days after symptom onset and ending 24 months later. Initially, the plantar nerves ...

journal_title：Muscle & nerve

authors： Dumitru D,Kalantri A

更新日期：1990-05-01 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:In preparation for clinical trials we examine the validity, reliability, and patient understanding of the Myotonic Dystrophy Health Index (MDHI). METHODS:Initially we partnered with 278 myotonic dystrophy type-1 (DM1) patients and identified the most relevant questions for the MDHI. Next, we used factor a...

journal_title：Muscle & nerve

authors： Heatwole C,Bode R,Johnson N,Dekdebrun J,Dilek N,Heatwole M,Hilbert JE,Luebbe E,Martens W,Mcdermott MP,Rothrock N,Thornton C,Vickrey BG,Victorson D,Moxley R 3rd

更新日期：2014-06-01 00:00:00

abstract：INTRODUCTION:In this study we noninvasively evaluated skeletal muscle mitochondrial capacity, muscle-specific endurance, and energy/fatigue feelings in persons with Friedreich ataxia (FRDA) and able-bodied controls (AB). METHODS:Forearm mitochondrial capacity was measured in FRDA (n = 16) and AB (n = 10) study partici...

journal_title：Muscle & nerve

authors： Bossie HM,Willingham TB,Schoick RAV,O'Connor PJ,McCully KK

更新日期：2017-10-01 00:00:00

abstract：INTRODUCTION:Far-field potentials (FFPs) from muscles other than the abductor digiti minimi (ADM) may interfere with motor unit number estimation (MUNE) from that muscle. METHODS:We identified the origin of each surface motor unit potential (SMUP) during hypothenar MUNE using the multiple point stimulation method in 2...

journal_title：Muscle & nerve

authors： Kawamura Y,Sonoo M,Higashihara M,Chiba T,Hatanaka Y

更新日期：2013-08-01 00:00:00

abstract：:Intravenous immunoglobulin (IVIg) is a useful tool in the treatment of a variety of neuromuscular disorders. Though IVIg therapy is generally safe, hemolytic anemia is a potentially serious complication that is often overlooked, and is currently not listed in product inserts. We analyzed 45 patients who received IVIg ...

journal_title：Muscle & nerve

authors： Wilson JR,Bhoopalam H,Fisher M

更新日期：1997-09-01 00:00:00

abstract：:We report three patients with inflammatory myopathy who presented clinically with weakness and wasting of only one limb. The myopathy progressed over 6 months and 5 years, respectively, in two patients and was stable after 8 years in the third patient. One patient had a skin rash. Serum CK was elevated in the two pati...

journal_title：Muscle & nerve

authors： Lederman RJ,Salanga VD,Wilbourn AJ,Hanson MR,Dudley AW Jr

更新日期：1984-02-01 00:00:00

abstract：:Small-fiber neuropathy is a common disorder. It is often "idiopathic" and typically presents with painful feet in patients over the age of 60. Autoimmune mechanisms are often suspected, but rarely identified. Known causes of small-fiber neuropathy include diabetes mellitus, amyloidosis, toxins, and inherited sensory a...

journal_title：Muscle & nerve

authors： Lacomis D

更新日期：2002-08-01 00:00:00

abstract：:To enable the quantitative assessment of peripheral nerve structure and function, we determined the normal values for sural nerve hydration structure as measured by magnetic resonance proton imaging, and for neurological function with scores for neuropathic symptoms, signs, and nerve conduction properties. Normal huma...

journal_title：Muscle & nerve

authors： Eaton RP,Sibbitt WL Jr,Bicknell JM,King MK,Griffey RH,Sibbitt RR

更新日期：1993-03-01 00:00:00

abstract：:New developments in the rapid diagnosis and treatment of boys with Duchenne muscular dystrophy (DMD) have led to growing enthusiasm for instituting DMD newborn screening (NBS) in the United States. Our group has been interested in developing clinical guidance to be implemented consistently in specialty care clinics ch...

journal_title：Muscle & nerve

authors： Kwon JM,Abdel-Hamid HZ,Al-Zaidy SA,Mendell JR,Kennedy A,Kinnett K,Cwik VA,Street N,Bolen J,Day JW,Connolly AM

更新日期：2016-08-01 00:00:00

abstract：:Repetitive nerve stimulation (RNS) of the median nerve is rarely studied in myasthenia gravis (MG). We performed a retrospective analysis of RNS studies performed on 448 patients at our center between 2010 and 2016. Among 95 patients with MG, an abnormal decrement of the compound muscle action potential amplitude was ...

journal_title：Muscle & nerve

authors： Lee TH,Li Y

更新日期：2019-12-01 00:00:00

abstract：:The myogenic regulatory factor MyoD plays an important role in embryonic and adult skeletal muscle growth. Even though it is best known as a marker for activated satellite cells, it is also expressed in myonuclei, and its expression can be induced by a variety of different conditions. Several model systems have been u...

journal_title：Muscle & nerve

authors： Legerlotz K,Smith HK

更新日期：2008-09-01 00:00:00

abstract：:Because of their central role in muscle development and maintenance, MEF2 family members represent excellent candidate effectors of the muscle pathology in myotonic dystrophy (DM). We investigated the expression and alternative splicing of all four MEF2 genes in muscle from neuromuscular disorder (NMD) patients, inclu...

journal_title：Muscle & nerve

authors： Bachinski LL,Sirito M,Böhme M,Baggerly KA,Udd B,Krahe R

更新日期：2010-12-01 00:00:00