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Electrical muscle stimulation

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https://www.readbyqxmd.com/read/29791704/use-of-neuromuscular-electrical-stimulation-during-physical-therapy-may-reduce-the-incidence-of-arthrofibrosis-after-total-knee-arthroplasty
#1
Chukwuweike U Gwam, Tanner McGinnis, Jennifer I Etcheson, Nicole E George, Assem A Sultan, Ronald E Delanois, Anil Bhave, Steven F Harwin, Michael A Mont
INTRODUCTION: Arthrofibrosis remains a major complication following total knee arthroplasty (TKA) that negatively impacts patient outcomes and exhausts healthcare resources. The use of neuromuscular electrical stimulation (NMES) has demonstrated the ability to facilitate quadriceps muscle recovery and reduce pain. Therefore, the purpose of this study was to compare TKA patients who received physical therapy (PT) and adjuvant NMES therapy versus physical therapy alone in terms of: 1) rates of manipulation under anesthesia (MUA) to treat arthrofibrosis; and 2) post-therapy range of motion (ROM)...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29788511/training-effects-of-alternated-and-pulsed-currents-on-the-quadriceps-muscles-of-athletes
#2
Pedro Oliveira, Karenina Arrais Guida Modesto, Martim Bottaro, Nicolas Babault, João Luiz Quagliotti Durigan
The aim of the study was to evaluate the effects of 6 weeks training with different neuromuscular electrical stimulation (NMES) currents (medium alternated and low-frequency pulsed current) on muscle architecture and neuromuscular performance of competitive athletes. A double-blind controlled and randomized experimental study was carried out with 33 athletes (22.2±2.6 yrs, 74.7±9.8 kg, 176.8±6.0 cm), divided into 3 groups: mid-frequency current (MF, n=12), pulsed current (PC, n=11) and the control group (CG, n=10)...
May 22, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29787474/hypothermia-decreases-o2-cost-for-ex-vivo-contraction-in-mouse-skeletal-muscle
#3
Patrick J Ferrara, Anthony R P Verkerke, Jeffrey J Brault, Katsuhiko Funai
INTRODUCTION: Evidence suggests that the energy efficiency of key ATPases involved in skeletal muscle contractile activity are improved in a hypothermic condition. However, it is unclear how a decrease in temperature affects skeletal muscle O2 consumption (mVO2) induced by muscle contraction. METHODS: Isolated mouse extensor digitorum longus (EDL) muscles were incubated in a temperature-controlled (37°C or 25°C) bath that included an O2 probe. EDL muscles from one limb were subjected to the measurement of resting mVO2, and the contralateral EDL muscles were used for the measurement of mVO2 with electrically-stimulated contraction...
May 22, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29786465/trunk-stability-enabled-by-non-invasive-spinal-electrical-stimulation-after-spinal-cord-injury
#4
Mrinal Rath, Albert H Vette, Shyamsundar Ramasubramaniam, Kun Li, Joel Burdick, Victor Reggie Edgerton, Yury Gerasimenko, Dimitry Sayenko
Electrical neuromodulation of spinal networks improves the control of movement of the paralyzed limbs after spinal cord injury (SCI). However, the potential of non-invasive spinal stimulation to facilitate postural trunk control during sitting in humans with SCI has not been investigated. We hypothesized that transcutaneous electrical stimulation of the lumbosacral enlargement can improve trunk posture. Eight participants with non-progressive SCI, C3-T9, AIS A or C, performed different motor tasks during sitting...
May 22, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29785045/an-initial-study-on-the-effect-of-functional-electrical-stimulation-in-erectile-dysfunction-a-randomized-controlled-trial
#5
Cristiane Carboni, Alexandre Fornari, Karoline C Bragante, Marcio A Averbeck, Patrícia Vianna da Rosa, Rodrigo Della Mea Plentz
Erectile dysfunction (ED) affects approximately 150 million men worldwide. Functional electrical stimulation (FES) therapy has shown a high regenerative capacity for smooth muscle cells and, therefore, is being increasingly adopted. FES can be a beneficial treatment option when the cause of ED is related to degeneration of cavernous smooth muscle. To evaluate the impact of FES on erectile function in men with erectile dysfunction. Twenty-two patients with ED participated in this randomized clinical trial. Participants were randomly assigned to two groups: intervention (IG) or control (CG)...
May 22, 2018: International Journal of Impotence Research
https://www.readbyqxmd.com/read/29781580/neuromuscular-electrical-stimulation-compared-to-volitional-exercise-in-improving-muscle-function-in-rheumatoid-arthritis-a-randomized-pilot-study
#6
Sara R Piva, Samannaaz S Khoja, Frederico G S Toledo, Mary Chester Wasko, G Kelley Fitzgerald, Bret H Goodpaster, Clair N Smith, Anthony Delitto
OBJECTIVES: To compare the feasibility and effectiveness of Neuromuscular Electrical Stimulation (NMES) with high-intensity volitional resistance training in improving muscle structure and function, and physical function in patients with rheumatoid arthritis (RA). We also described pre- and post-intervention values of myocyte characteristics. METHODS: Two-group single-blinded pilot randomized study in adults with RA. Participants were assigned to 36 sessions over 16 weeks of NMES (n=31) or volitional training (n=28)...
May 21, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29777332/influence-of-tetanic-stimulation-on-the-staircase-phenomenon-and-the-acceleromyographic-time-course-of-neuromuscular-block-a-randomized-controlled-trial
#7
Guido Mazzinari, Carlos L Errando, Oscar Díaz-Cambronero, Manuel Martin-Flores
During neuromuscular monitoring, repeated electrical stimulation evokes muscle responses of increasing magnitude ('staircase phenomenon', SP). We aimed to evaluate whether SP affects time course and twitches' values of an acceleromyographic assessed neuromuscular block with or without previous tetanic stimulation. Fifty adult patients were randomized to receive a 50 Hz tetanic stimulus (S group) or not (C group) before monitor calibration. After 20 min of TOF ratio (TOFr) stimulation rocuronium was administered...
May 18, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29777277/impact-of-muscle-atrophy-on-bone-metabolism-and-bone-strength-implications-for-muscle-bone-crosstalk-with-aging-and-disuse
#8
REVIEW
T Bettis, B-J Kim, M W Hamrick
Bone fractures in older adults are often preceded by a loss of muscle mass and strength. Likewise, bone loss with prolonged bed rest, spinal cord injury, or with exposure to microgravity is also preceded by a rapid loss of muscle mass. Recent studies using animal models in the setting of hindlimb unloading or botulinum toxin (Botox) injection also reveal that muscle loss can induce bone loss. Moreover, muscle-derived factors such as irisin and leptin can inhibit bone loss with unloading, and knockout of catabolic factors in muscle such as the ubiquitin ligase Murf1 or the myokine myostatin can reduce osteoclastogenesis...
May 18, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29776999/stumbling-corrective-reaction-elicited-by-mechanical-and-electrical-stimulation-of-the-saphenous-nerve-in-walking-mice
#9
William Paganini Mayer, Turgay Akay
The ability to walk around in a natural environment requires the capacity to cope with unexpected obstacles that may disrupt locomotion. One such mechanism is called the stumbling corrective reaction (SCR) that enables animals to step over obstacles that would otherwise disturb the progression of swing movement. Here we use in vivo motion analysis and physiological recording techniques to describe the SCR in mice. We show that SCR can be elicited consistently in mice during locomotion by inserting an obstacle along the path of leg movement during swing phase...
May 18, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29772187/platelet-rich-plasma-releasate-promotes-regeneration-and-decreases-inflammation-and-apoptosis-of-injured-skeletal-muscle
#10
Wen-Chung Tsai, Tung-Yang Yu, Gwo-Jyh Chang, Li-Ping Lin, Miao-Sui Lin, Jong-Hwei S Pang
BACKGROUND: Platelet-rich plasma (PRP) contains various cytokines and growth factors that may be beneficial to the healing process of injured muscle. Based on the authors' previous study, PRP releasate can promote proliferation and migration of skeletal muscle cells in vitro, so animal studies are performed to support the use of PRP to treat muscle injury in vivo. PURPOSE: To investigate the effect of PRP releasate on regeneration of injured muscle, as well as its effect on inflammatory reaction and cell apoptosis, in the early stages of the muscle-healing process...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29760579/the-effect-of-transcutaneous-neuromuscular-electrical-stimulation-on-laryngeal-vestibule-closure-timing-in-swallowing
#11
Christopher R Watts, Matthew J Dumican
Background: The purpose of this study was to investigate the effect of transcutaneous neuromuscular electrical stimulation (NMES) on the timing of laryngeal vestibule closure during the pharyngeal stage of swallowing in healthy adults. The theoretical framework proposed that NMES applied to these muscles would present a perturbation to laryngeal vestibular closure reaction time (the amount of time for the laryngeal vestibule to close once the swallowing reflex has been triggered) by providing an antagonistic force to the direction of vestibule closure...
2018: BMC Ear, Nose, and Throat Disorders
https://www.readbyqxmd.com/read/29757673/rapamycin-insensitive-mechanistic-target-of-rapamycin-regulates-basal-and-resistance-exercise-induced-muscle-protein-synthesis
#12
Riki Ogasawara, Takeshi Suginohara
We investigated whether rapamycin-insensitive mechanistic target of rapamycin (mTOR) signaling plays a role in regulating resistance exercise-induced muscle protein synthesis. We used a rodent model of resistance exercise and compared the effect of rapamycin, an allosteric mTOR inhibitor, with the effect of AZD8055, an ATP-competitive mTOR kinase inhibitor. The right gastrocnemius muscle of male Sprague-Dawley rats age 11 wk was contracted isometrically via percutaneous electrical stimulation (100 Hz, 5 sets of ten 3-s contractions, 7 s of rest between contractions, 3 min of rest between sets), and the left gastrocnemius muscle served as control...
May 14, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29755988/bite-forces-and-their-measurement-in-dogs-and-cats
#13
REVIEW
Se Eun Kim, Boaz Arzi, Tanya C Garcia, Frank J M Verstraete
Bite force is generated by the interaction of the masticatory muscles, the mandibles and maxillae, the temporomandibular joints (TMJs), and the teeth. Several methods to measure bite forces in dogs and cats have been described. Direct in vivo measurement of a bite in dogs has been done; however, bite forces were highly variable due to animal volition, situation, or specific measurement technique. Bite force has been measured in vivo from anesthetized dogs by electrical stimulation of jaw adductor muscles, but this may not be reflective of volitional bite force during natural activity...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29755590/wide-pulse-high-frequency-low-intensity-neuromuscular-electrical-stimulation-has-potential-for-targeted-strengthening-of-an-intrinsic-foot-muscle-a-feasibility-study
#14
Darren C James, Matthew C Solan, Katya N Mileva
Background: Strengthening the intrinsic foot muscles is a poorly understood and largely overlooked area. In this study, we explore the feasibility of strengthening m . abductor hallucis (AH) with a specific paradigm of neuromuscular electrical stimulation; one which is low-intensity in nature and designed to interleave physiologically-relevant low frequency stimulation with high-frequencies to enhance effective current delivery to spinal motoneurones, and enable a proportion of force produced by the target muscle to be generated from a central origin...
2018: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29752246/a-novel-stimulation-paradigm-to-limit-the-habituation-of-the-nociceptive-withdrawal-reflex
#15
Sabata Gervasio, Christian B Laursen, Ole K Andersen, Kristian Hennings, Erika G Spaich
In gait rehabilitation, combining gait therapy with functional electrical stimulation based on the nociceptive withdrawal reflex (NWR) improves walking velocity and gait symmetry of hemiparetic patients. However, habituation of the NWR can affect the efficacy of training. The current study aimed at identifying the stimulation parameters that would limit, in healthy participants, the habituation of the NWR. The NWR was elicited at every heel-off while the participants walked on a treadmill. Three stimulation paradigms were tested: deterministic paradigm (fixed parameters), stochastic pulse duration paradigm (varying the pulse duration of the stimuli), and stochastic frequency paradigm (varying the frequency of the stimuli)...
May 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29752242/automated-fes-for-upper-limb-rehabilitation-following-stroke-and-spinal-cord-injury
#16
Edmund F Hodkin, Yuming Lei, Jonathan Humby, Isabel S Glover, Supriyo Choudhury, Hrishikesh Kumar, Monica A Perez, Helen Rodgers, Andrew Jackson
Neurorehabilitation aims to induce beneficial neural plasticity in order to restore function following injury to the nervous system. There is an increasing evidence that appropriately timed functional electrical stimulation (FES) can promote associative plasticity, but the dosage is critical for lasting functional benefits. Here, we present a novel approach to closed-loop control of muscle stimulation for the rehabilitation of reach-to-grasp movements following stroke and spinal cord injury (SCI). We developed a simple, low-cost device to deliver assistive stimulation contingent on users' self-initiated movements...
May 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29751850/comparison-between-transcutaneous-electrical-nerve-stimulation-and-stabilization-exercises-in-fatigue-and-transversus-abdominis-activation-in-patients-with-lumbar-disk-herniation-a-randomized-study
#17
Luiz Armando Vidal Ramos, Bianca Callegari, Fábio Jorge Renovato França, Maurício Oliveira Magalhães, Thomaz Nogueira Burke, Ana Paula de Moura Campos Carvalho E Silva, Gabriel Peixoto Leão Almeida, Josielli Comachio, Amélia Pasqual Marques
OBJECTIVE: The purpose of this study was to compare transcutaneous electrical nerve stimulation (TENS) and stabilization exercises in an attempt to prevent fatigue and improve muscle activation in patients with lumbar disk herniation associated with low back pain. METHODS: This study involved 29 patients (age range 25-58 years) randomized into 2 groups: the segmental stabilization group (n = 15), who received stabilization exercises on the transversus abdominis (TrA) and lumbar multifidus muscles; and the TENS group (n = 14), who received electrotherapy...
May 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29746498/modulation-of-plantar-pressure-and-gastrocnemius-activity-during-gait-using-electrical-stimulation-of-the-tibialis-anterior-in-healthy-adults
#18
Maiki Moriguchi, Noriaki Maeshige, Mizuki Ueno, Yoshiyuki Yoshikawa, Hiroto Terashi, Hidemi Fujino
High plantar flexor moment during the stance phase is known to cause high plantar pressure under the forefoot; however, the effects on plantar pressure due to a change of gastrocnemius medialis (GM) activity during gait, have not been investigated to date. Reciprocal inhibition is one of the effects of electrical stimulation (ES), and is the automatic antagonist alpha motor neuron inhibition which is evoked by excitation of the agonist muscle. The aim of this study was to investigate the influences of ES of the tibialis anterior (TA) on plantar pressure and the GM activity during gait in healthy adults...
2018: PloS One
https://www.readbyqxmd.com/read/29742489/renal-denervation-effects-on-myocardial-fibrosis-and-ventricular-arrhythmias-in-rats-with-ischemic-cardiomyopathy
#19
Bin Zhang, Xiaorong Li, Chu Chen, Wanying Jiang, Dasheng Lu, Qian Liu, Kai Wang, Yuhao Yan, Zhixin Jiang, Jie Geng, Hai Xu, Qijun Shan
BACKGROUND/AIMS: To investigate the impact of renal denervation (RDN) on myocardial fibrosis and ventricular arrhythmias (VAs) in rats with ischemic cardiomyopathy. METHODS: An ischemic cardiomyopathy model was reproduced with myocardial infarction (MI) in adult Sprague-Dawley male rats. The RDN/Sham-RDN procedure was performed at 2 weeks after MI. Sham-MI and sham-RDN rats served as the control group. At 4 weeks after RDN, programmed electrical stimulation (PES) was used to induce VAs, including ventricular tachycardia and ventricular fibrillation, in all 3 groups (MI+RDN, MI, and control groups)...
May 5, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29742451/muscle-plasticity-of-aged-subjects-in-response-to-electrical-stimulation-training-and-inversion-and-or-limitation-of-the-sarcopenic-process
#20
REVIEW
Thierry Paillard
This review addresses the possible structural and functional adaptations of the muscle function to neuromuscular electrical stimulation (NMES) training in frail and/or aged (without advanced chronic disease) subjects. Evidence suggests that the sarcopenic process and its structural and functional effects would be limited and/or reversed through NMES training using excito-motor currents (or direct currents). From a structural viewpoint, NMES helps reduce muscle atrophy. From a functional viewpoint, NMES enables the improvement of motor output (i...
May 6, 2018: Ageing Research Reviews
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