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Neuromuscular stimulation

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https://www.readbyqxmd.com/read/29335666/a-modified-dynamic-surface-controller-for-delayed-neuromuscular-electrical-stimulation
#1
Naji Alibeji, Nicholas Kirsch, Brad E Dicianno, Nitin Sharma
A widely accepted model of muscle force generation during neuromuscular electrical stimulation (NMES) is a second-order nonlinear musculoskeletal dynamics cascaded to a delayed first-order muscle activation dynamics. However, most nonlinear NMES control methods have either neglected the muscle activation dynamics or used an ad hoc strategies to tackle the muscle activation dynamics, which may not guarantee control stability. We hypothesized that a nonlinear control design that includes muscle activation dynamics can improve the control performance...
August 2017: IEEE/ASME Transactions on Mechatronics
https://www.readbyqxmd.com/read/29332237/acute-acetaminophen-ingestion-improves-performance-and-muscle-activation-during-maximal-intermittent-knee-extensor-exercise
#2
Paul T Morgan, Joanna L Bowtell, Anni Vanhatalo, Andrew M Jones, Stephen J Bailey
AIM: Acetaminophen is a commonly used medicine for pain relief and emerging evidence suggests that it may improve endurance exercise performance. This study investigated some of the physiological mechanisms by which acute acetaminophen ingestion might blunt muscle fatigue development. METHODS: Thirteen active males completed 60 × 3 s maximum voluntary contractions (MVC) of the knee extensors with each contraction separated by a 2 s passive recovery period...
January 13, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29316600/impact-of-neuromuscular-electrical-stimulation-nmes-on-90-day-episode-costs-and-post-acute-care-utilization-in-total-knee-replacement-patients-with-disuse-atrophy
#3
Sarmistha Pal, Morad Chughtai, Assem A Sultan, Anton Khlopas, Nipun Sodhi, Nicole E George, Jennifer I Etcheson, Chukwuweike U Gwam, Jared M Newman, Linsen T Samuel, Anil Bhave, Joan E DaVanzo, Michael A Mont
INTRODUCTION: This study evaluated differences in: 1) total episode payments, 2) probability of hospital readmission, 3) probability of inpatient rehab facility (IRF) and utilization, and 4) probability of skilled nursing care facility (SNF) utilization in patients who had disuse atrophy and underwent a total knee arthroplasty (TKA) and either did, or did not, receive preoperative home-based neuromuscular electrical stimulation (NMES) therapy. MATERIALS AND METHODS: We used the Medicare limited dataset for a 5% sample of beneficiaries from 2014 and 2015 to construct episodes-of-care for TKA (DRG-470) patients with disuse atrophy who underwent a TKA during the 30 days prior to hospital admission and 90 days post-discharge...
December 22, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29289885/structural-and-biological-characterization-of-new-hybrid-drugs-joining-an-hdac-inhibitor-to-different-no-donors
#4
Sandra Atlante, Konstantin Chegaev, Chiara Cencioni, Stefano Guglielmo, Elisabetta Marini, Emily Borretto, Carlo Gaetano, Roberta Fruttero, Francesco Spallotta, Loretta Lazzarato
HDAC inhibitors and NO donors have already revealed independently their broad therapeutic potential in pathologic contexts. Here we further investigated the power of their combination in a single hybrid molecule. Nitrooxy groups or substituted furoxan derivatives were joined to the α-position of the pyridine ring of the selective class I HDAC inhibitor MS-275. Biochemical analysis showed that the association with the dinitrooxy compound 31 or the furoxan derivative 16 gives hybrid compounds the ability to preserve the single moiety activities...
December 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29288590/combined-electrical-stimulation-and-exercise-for-swallow-rehabilitation-post-stroke-a-pilot-randomized-control-trial
#5
Lise Sproson, Sue Pownall, Pam Enderby, Jenny Freeman
BACKGROUND: Dysphagia is common after stroke, affecting up to 50% of patients initially. It can lead to post-stroke pneumonia, which causes 30% of stroke-related deaths, a longer hospital stay and poorer health outcomes. Dysphagia care post-stroke generally focuses on the management of symptoms, via modified oral intake textures and adapted posture, rather than direct physical rehabilitation of the swallowing function. Transcutaneous neuromuscular electrical stimulation (NMES) is a promising rehabilitation technology that can be used to stimulate swallowing; however, findings regarding efficacy have been conflicting...
December 30, 2017: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/29280254/characterization-of-the-functional-near-infrared-spectroscopy-response-to-nociception-in-a-pediatric-population
#6
Vanessa A Olbrecht, Yifei Jiang, Luigi Viola, Charlotte M Walter, Hanli Liu, Charles D Kurth
BACKGROUND: Near-infrared spectroscopy can interrogate functional optical signal changes in regional brain oxygenation and blood volume to nociception analogous to functional magnetic resonance imaging. AIMS: This exploratory study aimed to characterize the near-infrared spectroscopy signals for oxy-, deoxy-, and total hemoglobin from the brain in response to nociceptive stimulation of varying intensity and duration, and after analgesic and neuromuscular paralytic in a pediatric population...
December 27, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29278871/the-effect-of-surface-neuromuscular-electrical-stimulation-on-patients-with-post-stroke-dysphagia
#7
Pingping Meng, Shuchao Zhang, Qiang Wang, Peipei Wang, Chao Han, Jinghui Gao, Shouwei Yue
OBJECTIVE: To assess whether the clinical efficacy of a therapeutic protocol using surface neuromuscular electrical stimulation (sNMES) on patients with post-stroke dysphagia (PSD) is superior to that without sNMES, and whether swallowing functional outcome is different with regards to different electrode placement on patients' skin of neck. METHODS: Thirty patients with PSD were randomly allocated into treatment group A (TGA), treatment group B (TGB) and control group according to a random number table...
December 15, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29276467/chiropractic-management-using-multimodal-therapies-on-2-pediatric-patients-with-constipation
#8
Madhu Mia Iyer, Evangelia Skokos, Denise Piombo
Objective: The purpose of this case report is to describe chiropractic management of 7-month-old male twins who had had constipation since birth. Clinical Features: Identical male twins presented with the chief complaint of constipation and bloating. Both patients were born premature after 29 weeks of gestation and had invasive abdominal surgeries in the right lower quadrant resulting in healed postsurgical scars. Patient A underwent ileostomy for a perforation in his ileum...
December 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/29247626/low-frequency-pulsed-current-versus-kilohertz-frequency-alternating-current-a-scoping-literature-review
#9
Marco Aurélio Vaz, Viviane Bortoluzzi Frasson
OBJECTIVE: To compare the effectiveness of low-frequency pulsed current versus kilohertz-frequency alternating current in terms of evoked-force, discomfort level, current intensity, and muscle fatigability, to discuss the physiological mechanisms of each Neuromuscular Electrical Stimulation type, and to determine if kilohertz-frequency alternating current is better than low-frequency pulsed current for clinical treatment. DATA SOURCES: Manuscripts were obtained from PUBMED, SCOPUS, CENTRAL, CINAHL and SPORTSDISCUS databases using the terms "Russian current" OR "Kilohertz current" OR "Alternating current" OR "Pulsed current" OR "Aussie current" AND torque OR discomfort OR fatigue OR "current intensity", and through citation tracking up to July 2017...
December 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29243682/orthodontic-surgical-treatment-electromyographic-and-kinesiographic-evaluation-in-follow-up-period-experimental-study
#10
Lucia Giannini, Cinzia Maspero, Guido Galbiati, Laima Kairyte, Federica Zanoni, Giampietro Farronato
INTRODUCTION: The aim of this study was to investigate muscular function and mandibular kinesiology of patients undergoing orthodontic-surgical treatment by electromyography and kinesiography. Electromyographic evaluation is essential to estimate masticatory forces in patients undergoing combined surgical-orthodontic treatment. MATERIALS AND METHODS: 60 patients referred for orthodontic surgical treatment were included in the study, 43 patients presented a class III while 17 presented a class II...
2017: Stomatologija
https://www.readbyqxmd.com/read/29240948/early-cyclical-neuromuscular-electrical-stimulation-improves-strength-and-trophism-by-akt-pathway-signaling-in-partially-paralyzed-biceps-muscle-after-spinal-cord-injury-in-rats
#11
Gabriel R de Freitas, Caroline C do Espírito Santo, Nicolas A M M de Machado-Pereira, Franciane Bobinski, Adair R S Dos Santos, Jocemar Ilha
Background: Electrical stimulation is often used to treat weakness in people with spinal cord injury (SCI), however its efficacy to increase strength and trophism are weak and the mechanisms underlying the therapeutic benefits are unknown. Objective: The purpose of the study was to analyze the effects of neuromuscular electrical stimulation (NMES) on muscle function, trophism and the Akt pathway signaling involved in muscular plasticity after incomplete-SCI in rats...
December 12, 2017: Physical Therapy
https://www.readbyqxmd.com/read/29235992/avoiding-neuromuscular-stimulation-in-liver-irreversible-electroporation-using-radiofrequency-electric-fields
#12
Quim Castellví, Borja Mercadal, Xavier Moll, Dolors Fondevila, Anna Andaluz, Antoni Ivorra
Electroporation based treatments typically consist in applying high voltage dc pulses. As an undesired side effect, these dc pulses cause electrical stimulation of excitable tissues such as motor nerves. In the present in vivo study, it was explored the use of bursts of sinusoidal voltage in the frequency range from 50 kHz to 2 MHz to induce irreversible electroporation (IRE) whilst avoiding neuromuscular stimulation. Series of 100 dc pulses or sinusoidal bursts, both with an individual duration of 100 µs, were delivered to rabbit liver through thin needles in a monopolar electrode configuration and thoracic movements were recorded with an accelerometer...
December 13, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29233625/the-clinical-use-of-neuromuscular-electrical-stimulation-for-neuromuscular-rehabilitation-what-are-we-overlooking
#13
Nicola A Maffiuletti, Julien Gondin, Nicolas Place, Jennifer Stevens-Lapsley, Isabelle Vivodtzev, Marco A Minetto
The clinical success of neuromuscular electrical stimulation (NMES) for neuromuscular rehabilitation is greatly compromised by the poor consideration of different physiological and methodological issues that are not always obvious for the clinicians. Therefore, the aim of this narrative review is to re-examine some of these fundamental aspects of NMES using a tripartite model perspective. First, we contend that NMES does not actually bypass the central nervous system but results in a multitude of neurally-mediated responses that contribute substantially to force generation and may engender neural adaptations...
December 9, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29231243/neuromuscular-electrical-stimulation-nmes-for-patellofemoral-pain-syndrome
#14
REVIEW
Ana Luiza C Martimbianco, Maria Regina Torloni, Brenda Ng Andriolo, Gustavo Jm Porfírio, Rachel Riera
BACKGROUND: Patellofemoral pain syndrome, now generally referred to as patellofemoral pain (PFP), is one of the most common orthopaedic disorders, characterised by pain in the anterior or retropatellar knee region. Neuromuscular electrical stimulation (NMES) has been proposed generally as a complementary treatment, associated with other interventions such as exercise, or as a single treatment to increase muscle force, reduce knee pain, and improve function. OBJECTIVES: To assess the effects (benefits and harms) of neuromuscular electrical stimulation for people with patellofemoral pain...
December 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29218407/short-vs-long-pulses-for-testing-knee-extensor-neuromuscular-properties-does-it-matter
#15
Caroline Giroux, Boris Roduit, Javier Rodriguez-Falces, Jacques Duchateau, Nicola A Maffiuletti, Nicolas Place
PURPOSE: The present study aimed at comparing knee extensor neuromuscular properties determined with transcutaneous electrical stimulation using two pulse durations before and after a standardized fatigue protocol. METHODS: In the first sub-study, 19 healthy participants (ten women and nine men; 28 ± 5 years) took part to two separate testing sessions involving the characterization of voluntary activation (twitch interpolation technique), muscle contractility (evoked forces by single and paired stimuli), and neuromuscular propagation (M-wave amplitude from vastus lateralis and vastus medialis muscles) obtained at supramaximal intensity with a pulse duration of either 0...
December 7, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29214392/modulation-of-specific-inhibitory-networks-in-fatigued-locomotor-muscles-of-healthy-males
#16
Stuart Goodall, Glyn Howatson, Kevin Thomas
Reduced maximal force capability of skeletal muscle, as a consequence of exercise, can be due to peripheral or central fatigue mechanisms. In upper-limb muscles, neuromuscular fatigue is concurrent with reduced corticospinal excitability and increased inhibition (lengthened corticospinal silent period [CSP]; reduced short-interval intracortical inhibition [SICI] ratio). However, it is unclear whether these adjustments occur in response to fatiguing exercise of locomotor muscles. This study examined the effect of fatiguing, maximal, knee-extensor exercise on motor cortical excitability and inhibition...
December 6, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29210719/neuromodulatory-burst-therapy-for-agent-orange-induced-peripheral-neuropathy-a-case-report
#17
Roxanna Rasekhi, Danielle Babb, Chane Price
The prevalence of neuromuscular diseases and peripheral neuropathies in veterans exposed to Agent Orange (AO) is particularly high. Pharmacologic management has not been effective for these patients. Burst therapy spinal cord stimulation (SCS), recently approved for use in the United States, has had demonstrable success in both Europe and Australia. We present a patient with AO-induced peripheral neuropathy who was successfully treated with burst SCS. To our knowledge, this is the first report describing the use of burst SCS for treatment of peripheral neuropathy related to AO exposure...
November 27, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29205338/s1p-receptor-antagonists-fingolimod-and-siponimod-do-not-improve-the-outcome-of-experimental-autoimmune-myasthenia-gravis-mice-after-disease-onset
#18
Andreas Pelz, Hanne Schaffert, Radharani Diallo, Falk Hiepe, Andreas Meisel, Siegfried Kohler
Myasthenia gravis (MG) is an autoimmune disease characterized by muscle weakness and fatigue in the presence of circulating antibodies against components of the neuromuscular junction. Most patients have a good prognosis, but some are refractory to standard-of-care immunosuppressive treatment and suffer from recurrent myasthenic crises. Functional sphingosine-1-phosphate (S1P) antagonists like fingolimod and siponimod (BAF312) are successfully used for the treatment of multiple sclerosis, and fingolimod was shown to prevent the development of myasthenic symptoms in experimental autoimmune myasthenia gravis (EAMG), the standard model of MG...
December 4, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/29202270/effects-of-neuromuscular-electrical-stimulation-on-contralateral-quadriceps-function
#19
Thomas Cattagni, Romuald Lepers, Nicola A Maffiuletti
Because maximal voluntary strength of the knee extensor muscles can be facilitated by the concomitant application of neuromuscular electrical stimulation (NMES) to the contralateral homologous muscle, we aimed to determine whether this was associated with an enhanced neural drive to the agonist muscles. A secondary goal of this study was to examine the potential dose-response relationship between NMES intensity and contralateral facilitation. Twelve healthy men (age: 30 ± 7 yr) completed several maximal voluntary contractions (MVC) of the left knee extensors while the right quadriceps received low-intensity NMES (10% MVC), high-intensity NMES (30% MVC) or no NMES...
November 28, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29201547/decremental-responses-in-patients-with-motor-neuron-disease
#20
Mohammed H Alanazy, Janka Hegedus, Chris White, Lawrence Korngut
Objective: Involvement of the neuromuscular junction (NMJ) in amyotrophic lateral sclerosis (ALS) has been reported and is increasingly recognized as an important pathophysiological aspect. The relationship between decrement and clinical measures for possible application as a biomarker has not been comprehensively explored. Methods: We performed routine repetitive nerve stimulation (RNS) of three nerves on patients with ALS. We captured measures of muscle strength, grip strength, fatigability, and calculated slow vital capacity (SVC) rates of change assessing for associations...
November 2017: Brain and Behavior
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