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Electrical muscle stimulation

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https://www.readbyqxmd.com/read/29144103/effects-of-home-based-superimposed-neuromuscular-electrical-stimulation-in-severe-chronic-obstructive-pulmonary-disease-patients-a-randomized-controlled-clinical-trial
#1
Marie C Valenza, Irene Torres-Sánchez, Laura López-López, Irene Cabrera-Martos, Araceli Ortiz-Rubio, Gerald Valenza-Demet
BACKGROUND: COPD patients experience a sustained deterioration of several capacities. Those with severe COPD undergo a considerable decline in their physical and functional capacities, but pulmonary rehabilitation (PR) is used to reduce the weakness of such patients. To date, neuromuscular electrical stimulation (NMES) has been used in acute COPD patients but NMES superimposed onto voluntary muscular contraction has not been tested in COPD patients. AIM: The aim of this study was to evaluate the effects of superimposed NMES on the cardiorespiratory performance and functionality of severe COPD patients undergoing a home-based rehabilitation program...
November 16, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29142468/glucagon-like-peptide-2-modulates-the-nitrergic-neurotransmission-in-strips-from-the-mouse-gastric-fundus
#2
Rachele Garella, Eglantina Idrizaj, Chiara Traini, Roberta Squecco, Maria Giuliana Vannucchi, Maria Caterina Baccari
AIM: To investigate whether glucagon-like peptide-2 (GLP-2) influences the neurally-induced responses in gastric strips from mice, since no data are available. METHODS: For functional experiments, gastric fundal strips were mounted in organ baths containing Krebs-Henseleit solution. Mechanical responses were recorded via force-displacement transducers, which were coupled to a polygraph for continuous recording of isometric tension. Electrical field stimulation (EFS) was applied via two platinum wire rings through which the preparation was threaded...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29141294/-positions-of-the-implanted-stimulating-electrodes-for-artificial-facial-nerve-for-inducing-contraction-of-the-orbicularis-oris-muscle-in-rabbit-with-peripheral-facial-paralysis
#3
D Y Xu, N J Zhao, Y X Zhao, D Luo, Y J Sun, K Y Li
Objective: To explore the optimal positions of the implanted stimulating eletrodes for artificial facial nerve (AFN) for inducing contraction of the orbicularis oris muscle (OOM) in rabbit with peripheral facial paralysis. Methods: According to the four microelectrodes of the AFN stimulating side, four modes of the implanted positions were divided. In line with different modes, the electrodes were implanted into the affected OOM of the rabbits with unilateral peripheral facial paralysis. AFN output electric stimulation to induce contraction of the affected OOM with uniform stimulating frequency and pulse length in vitro...
November 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29135783/beyond-the-bottom-of-the-foot-topographic-organization-of-the-foot-dorsum-in-walking
#4
Taryn Klarner, Gregory E P Pearcey, Yao Sun, Trevor S Barss, Chelsea Kaupp, Bridget Munro, Nick Frank, E Paul Zehr
INTRODUCTION: Sensory feedback from the foot dorsum during walking has only been studied globally by whole nerve stimulation. Stimulating the main nerve innervating the dorsal surface produces a functional stumble corrective response that is phase-dependently modulated. We speculated that effects evoked by activation of discrete skin regions on the foot dorsum would be topographically organized, as with the foot sole. METHODS: Nonnoxious electrical stimulation was delivered to five discrete locations on the dorsal surface of the foot during treadmill walking...
December 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29132482/effectiveness-of-functional-electrical-stimulation-fes-versus-conventional-electrical-stimulation-in-gait-rehabilitation-of-patients-with-stroke
#5
Freeha Sharif, Samina Ghulam, Arshad Nawaz Malik, Quratulain Saeed
OBJECTIVE: To compare the effectiveness of functional electrical stimulation (FES) versus conventional electrical stimulation in gait rehabilitation of patients with stroke for finding the most appropriate problem-oriented treatment for foot drop patients in a shorter time period. STUDY DESIGN: Randomized controlled trial. PLACE AND DURATION OF STUDY: Armed Forces Institute of Rehabilitation Medicine, Rawalpindi, from July to December 2016...
November 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29128629/influence-of-emotional-stimuli-on-lower-limb-cutaneous-reflexes-during-human-gait
#6
Martin Zaback, Brian C Horslen, Taylor W Cleworth, Laurel Collins, Cécile Langlet, J Timothy Inglis, Mark G Carpenter
Previous research has shown that cutaneous reflexes are modulated when walking with a threat to stability. It is unclear if this reflex modulation is purely related to the context of the imposed threat or if emotional changes associated with the threat exert an independent influence on reflex excitability. This study investigated the influence of emotional stimuli on lower limb cutaneous reflexes during treadmill walking. Twenty-eight healthy young adults walked at a self-selected pace while viewing pictures that manipulated emotional arousal and valence (confirmed with electrodermal and self-report measures)...
November 8, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29125566/botulinum-toxin-in-management-of-limb-tremor
#7
REVIEW
Elina Zakin, David Simpson
Essential tremor is characterized by persistent, usually bilateral and symmetric, postural or kinetic activation of agonist and antagonist muscles involving either the distal or proximal upper extremity. Quality of life is often affected and one's ability to perform daily tasks becomes impaired. Oral therapies, including propranolol and primidone, can be effective in the management of essential tremor, although adverse effects can limit their use and about 50% of individuals lack response to oral pharmacotherapy...
November 10, 2017: Toxins
https://www.readbyqxmd.com/read/29123626/treatment-of-hemifacial-spasm-in-patient-with-hemifacial-atrophy-using-combination-therapy-ultrasound-therapy-and-tens-a-case-report
#8
Apala Baduni, Bhuvana Krishnamoorthy
A 19-year-old male patient presented with facial hemi-atrophy with unilateral spasms of the masseter and temporalis muscles. Ultrasound therapy and Transcutaneous Electric Nerve Stimulation therapy, known as combination therapy, were given on alternate days for 2 weeks. At the end of 2 weeks of combination therapy the patient reported a drastic reduction in the number of episodes of muscle spasm. The visual analog scale score for tenderness of the masseter and temporalis was also markedly reduced. No one has previously used combination therapy for the treatment of facial hemi-atrophy with hemi-facial spasms...
October 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/29122535/limited-output-transcranial-electrical-stimulation-lotes-2017-engineering-principles-regulatory-statutes-and-industry-standards-for-wellness-over-the-counter-or-prescription-devices-with-low-risk
#9
Marom Bikson, Bhaskar Paneri, Andoni Mourdoukoutas, Zeinab Esmaeilpour, Bashar W Badran, Robin Azzam, Devin Adair, Abhishek Datta, Xiao Hui Fang, Brett Wingeier, Daniel Chao, Miguel Alonso-Alonso, Kiwon Lee, Helena Knotkova, Adam J Woods, David Hagedorn, Doug Jeffery, James Giordano, William J Tyler
We present device standards for low-power non-invasive electrical brain stimulation devices classified as limited output transcranial electrical stimulation (tES). Emerging applications of limited output tES to modulate brain function span techniques to stimulate brain or nerve structures, including transcranial direct current stimulation (tDCS), transcranial alternating current stimulation (tACS), and transcranial pulsed current stimulation (tPCS), have engendered discussion on how access to technology should be regulated...
October 17, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29120706/administration-of-cloprostenol-and-oxytocin-before-electroejaculation-in-goat-bucks-reduces-the-needed-amount-of-electrical-stimulation-without-affecting-seminal-quality
#10
Rodolfo Ungerfeld, Daniela Casuriaga, Julia Giriboni, Aline Freitas-de-Melo, Patricia Silveira, Felipe Zandonadi Brandão
Electroejaculation (EE) is a widely used semen collection technique; but, it is stressful and painful for the animals. Considering these concerns, it may be important to develop practices to decrease the negative implications of EE on animals. Oxytocin and prostaglandin-F2alpha (PGF2α) stimulate the contractions of the muscles of the male genital tract. Therefore, the aim of this study was to analyze the effectiveness of the administration of oxytocin and/or a PGF2α analogue (cloprostenol) to bucks in relation to their stress response and sperm parameters before semen collection by EE was performed...
October 28, 2017: Theriogenology
https://www.readbyqxmd.com/read/29119963/-what-physiotherapeutic-method-for-the-treatment-of-post-mastectomy-lymphedema-is-the-most-effective
#11
T I Grushina
We have undertaken the search for the publications of interest in the following databases: Scopus, Web of Science, MedLine, The Cochrane Library, CyberLeninka, and Russian science citation index. In addition, we evaluated the effectiveness of the physical agents and procedures having different mechanisms of action of the known factors responsible for the development of post-mastectomy lymphedema. Such agents and procedures include self-massage, manual lymphatic drainage, therapeutic physical exercises, compression bandaging, wearing elastic compression garments, Kinesio Tex taping, pneumatic compression, ultrasonic, electrostatic, extracorporeal shock wave therapy, electrical muscle stimulation, microcurrent and low-intensity laser therapy...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29119953/-the-influence-of-non-invasive-electrical-stimulation-of-the-spinal-cord-on-the-locomotor-function-of-patients-presenting-with-movement-disorders-of-central-genesis
#12
M V Balykin, R N Yakupov, V V Mashin, E Yu Kotova, Yu M Balykin, Yu P Gerasimenko
AIM: The objective of the present study was to evaluate the influence of non-invasive (transcutaneous) electrical spinal cord stimulation on the locomotor function of the patients suffering from movement disorders. PATIENTS AND METHODS: The study involved 10 patients of both sexes at the age from 32 to 70 years (including 40% of men and 60% of women) presenting with the compromised locomotor function of varying severity associated with the disturbances of cerebral blood circulation caused either by an injury to the brain and spinal cord or by stroke...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29118956/the-vienna-fes-interview-protocol-a-mixed-methods-protocol-to-elucidate-the-opinions-of-various-individuals-responsible-for-the-provision-of-fes-exercise
#13
Matthew J Taylor, Ché Fornusek, Andrew J Ruys, Manfred Bijak, Adrian E Bauman
Functional Electrical Stimulation (FES) is the production of electrically elicited muscle contractions to perform a function or task. It has been used as a method to regain lost body functions or support weak body functions, and as such, has been clinically available since the early seventies. Some methods are applied routinely while others have not been translated to the bedside, or are still largely restricted to laboratory use. Progress in this field might be achieved by a strong cooperation of patients, clinicians, therapists and engineers...
June 27, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29118955/effect-of-electrical-stimulation-on-motor-nerve-regeneration-in-sciatic-nerve-ligated-mice
#14
Farzaneh Samiee, Mohammad-Reza Zarrindast
The purpose of this study was to investigate the effect of electrical stimulation on sciatic nerve regeneration and functional recovery of target muscles. Mice were randomly divided into 3 groups: ligated without electrical stimulation, ligated with electrical stimulation and control (non-ligated). The unilateral peripheral mononeuropathy was produced on the right hind limb. Sciatic nerve was then electrically stimulated daily for a period of 2 weeks (duration: 0.2 msec, frequency: 100Hz, amplitude: 15mA). Evoked surface EMG was recorded from biceps femoris (BF) and gluteus maximus (GM) muscles on the 3rd, 7th, 10th and 14th day after sciatic nerve ligation...
June 27, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29118716/etiology-and-recovery-of-neuromuscular-fatigue-following-competitive-soccer-match-play
#15
Callum G Brownstein, Jack P Dent, Paul Parker, Kirsty M Hicks, Glyn Howatson, Stuart Goodall, Kevin Thomas
Aim: Previous research into the etiology of neuromuscular fatigue following competitive soccer match-play has primarily focused on peripheral perturbations, with limited research assessing central nervous system function in the days post-match. The aim of the present study was to examine the contribution and time-course of recovery of central and peripheral factors toward neuromuscular fatigue following competitive soccer match-play. Methods: Sixteen male semi-professional soccer players completed a 90-min soccer match...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29118698/an-acute-exposure-to-muscle-vibration-decreases-knee-extensors-force-production-and-modulates-associated-central-nervous-system-excitability
#16
Robin Souron, Thibault Besson, Chris J McNeil, Thomas Lapole, Guillaume Y Millet
Local vibration (LV) has been recently validated as an efficient training method to improve muscle strength. Understanding the acute effects may help elucidate the mechanism(s). This study aimed to investigate the effects of a single bout of prolonged LV on knee extensor force production and corticospinal responsiveness of vastus lateralis (VL) and rectus femoris (RF) muscles in healthy young and old adults. Across two visits, 23 adult subjects (20-75 years old) performed pre- and post-test measurements, separated by 30-min of either rest (control; CON) or LV...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29117630/biophysical-properties-of-microvascular-endothelium-requirements-for-initiating-and-conducting-electrical-signals
#17
Adam Kapela, Erik J Behringer, Steven S Segal, Nikolaos M Tsoukias
OBJECTIVE: Electrical signaling along the endothelium underlies spreading vasodilation and blood flow control. We use mathematical modeling to determine the electrical properties of the endothelium and gain insight into the biophysical determinants of electrical conduction. METHODS: Electrical conduction data along endothelial cell (EC) tubes (40 μm wide, 2.5 mm long) isolated from mouse skeletal muscle resistance arteries were analyzed using cable equations and a multicellular computational model...
November 8, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29117189/cardiac-cycle-synchronized-electrical-muscle-stimulator-for-lower-limb-training-with-the-potential-to-reduce-the-heart-s-pumping-workload
#18
Ken-Ichiro Sasaki, Hiroo Matsuse, Ryuji Akimoto, Shiro Kamiya, Toshio Moritani, Motoki Sasaki, Yuta Ishizaki, Masanori Ohtsuka, Takaharu Nakayoshi, Takafumi Ueno, Naoto Shiba, Yoshihiro Fukumoto
BACKGROUND: The lower limb muscle may play an important role in decreasing the heart's pumping workload. Aging and inactivity cause atrophy and weakness of the muscle, leading to a loss of the heart-assisting role. An electrical lower limb muscle stimulator can prevent atrophy and weakness more effectively than conventional resistance training; however, it has been reported to increase the heart's pumping workload in some situations. Therefore, more effective tools should be developed...
2017: PloS One
https://www.readbyqxmd.com/read/29115986/the-breaking-and-making-of-healthy-adult-human-skeletal-muscle-in-vivo
#19
Abigail L Mackey, Michael Kjaer
BACKGROUND: While muscle regeneration has been extensively studied in animal and cell culture models, in vivo myogenesis in adult human skeletal muscle has not been investigated in detail. METHODS: Using forced lengthening contractions induced by electrical stimulation, we induced myofibre injury in young healthy males. Muscle biopsies were collected from the injured leg 7 and 30 days after muscle injury and from the uninjured leg as a control. Immuno-stained single muscle fibres and muscle cross sections were studied by wide-field and confocal microscopy...
November 7, 2017: Skeletal Muscle
https://www.readbyqxmd.com/read/29111829/effect-of-cryopreserved-amniotic-membrane-on-the-mechanical-properties-of-skeletal-muscle-after-strabismus-surgery-in-rabbits
#20
Marta Sierra, Ángel Ortillés, Francisco J Miana-Mena, Jorge Grasa, Begoña Calvo
PURPOSE: To study the functional recovery of the superior rectus muscle (SRM) after its partial resection in a rabbit model with and without cryopreserved amniotic membrane (AM). MATERIAL AND METHODS: Resection of the right and left SRMs of 30 rabbits was performed. On the left eyes, a single sheet of equine cryopreserved AM was placed covering the muscle edge sutured. Active and passive mechanical properties of muscles operated with and without AM were monitored over time at 30 (n = 10), 60 (n = 10), and 90 (n = 10) days after surgery...
November 7, 2017: Current Eye Research
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