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Neuromuscular control

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https://www.readbyqxmd.com/read/29156739/electroacupuncture-alleviates-neuromuscular-dysfunction-in-an-experimental-rat-model-of-immobilization
#1
Jun Yang, Su Min, Fei Xie, Jingyuan Chen, Xuechao Hao, Li Ren
Immobilization-related skeletal muscle atrophy is a major concern to patients in Intensive Care Units and it has a profound effect on the quality of life. However, the underlying molecular events for the therapeutic effect of electroacupuncture to treat muscle atrophy have not been fully elucidated. Here we developed an immobilization mouse model and tested the hypothesis that skeletal muscle weakness may be caused by the increased expression of γ and α7 nicotinic acetylcholine receptors (nAChRs) on muscle cell membranes, while electroacupuncture could decrease the expression of γ and α7 nicotinic acetylcholine receptors...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29153297/pain-management-practice-and-guidelines-in-jordanian-pediatric-intensive-care-units
#2
Ahmad Ismail, Paula Forgeron, Viola Polomeno, Huda Gharaibeh, Denise Harrison
Limited knowledge exists of current pain management practices and supporting guidelines in Jordanian pediatric intensive care units. To determine the current pain management practices and the availability and content of practice guidelines in Jordanian pediatric intensive care units, we conducted a cross-sectional and multisite survey of four pediatric intensive care units in Jordan. A questionnaire was developed and orally administered over the phone or in person to head nurses or their nominees to capture pain management practices and the existence and content of guidelines...
November 15, 2017: Pain Management Nursing: Official Journal of the American Society of Pain Management Nurses
https://www.readbyqxmd.com/read/29148138/artificial-walking-technologies-to-improve-gait-in-cerebral-palsy-multichannel-neuromuscular-stimulation
#3
Jessica Rose, Katelyn Cahill-Rowley, Erin E Butler
Cerebral palsy (CP) is the most common childhood motor disability and often results in debilitating walking abnormalities, such as flexed-knee and stiff-knee gait. Current medical and surgical treatments are only partially effective in improving gait abnormalities and may cause significant muscle weakness. However, emerging artificial walking technologies, such as step-initiated, multichannel neuromuscular electrical stimulation (NMES), can substantially improve gait patterns and promote muscle strength in children with spastic CP...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29146863/modeling-search-movements-of-an-insect-s-front-leg
#4
Tibor I Tóth, Eva Berg, Silvia Daun
Beside locomotion, search movements are another important type of motor activity of insects. They are very often performed by the front legs of the animals. They consist of cyclic stereotypical leg movements that can be modified by sensory signals. The details of the local organization of these movements have however not yet been studied. In this paper, we, using an appropriate variant of our existing one-leg model, present a scheme of how these searching movements might be organized and performed on the level of local neuromuscular control networks...
November 2017: Physiological Reports
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
#5
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/29143566/electromyographic-evaluation-in-children-orthodontically-treated-for-skeletal-class-ii-malocclusion-comparison-of-two-treatment-techniques
#6
Eleonora Ortu, Davide Pietropaoli, Fray Adib, Chiara Masci, Mario Giannoni, Annalisa Monaco
Objective To compare the clinical efficacy of two techniques for fabricating a Bimler device by assessing the patient's surface electromyography (sEMG) activity at rest before treatment and six months after treatment. Methods Twenty-four patients undergoing orthodontic treatment were enrolled in the study; 12 formed the test group and wore a Bimler device fabricated with a Myoprint impression using neuromuscular orthodontic technique and 12 formed the control group and were treated by traditional orthodontic technique with a wax bite in protrusion...
November 16, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29140969/risk-factors-for-ventilator-associated-events-in-a-picu
#7
Raeley Guess, Jarin Vaewpanich, Jorge A Coss-Bu, Siriporn Phongjitsiri, Curtis Kennedy, Jeffrey Starke, Satid Thammasitboon
OBJECTIVE: The term ventilator-associated events includes ventilator-associated condition, infection-related ventilator-associated complication, and ventilator-associated pneumonia. We sought to identify potential new risk factors for ventilator-associated condition and infection-related ventilator-associated complication in the PICU population. DESIGN: Matched case control study. SETTING: Children's hospital at a tertiary care academic medical center...
November 14, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29140144/joint-moment-angle-properties-of-the-hip-extensors-in-subjects-with-and-without-patellofemoral-pain
#8
Curtis Kindel, John Challis
Strength deficits of hip extension in individuals with patellofemoral syndrome are commonly reported in the literature. No literature to date has examined these deficits with variable positions of the knee and hip; altering knee angle alters the length and therefore potentially the force produced by the biarticular muscles. Beyond strength, neuromuscular control can also be assessed through the analysis of isometric joint moment steadiness. Subjects consisted of a group of individuals with patellofemoral syndrome (n=9), and a group of age and size matched controls with no symptoms (n=9)...
November 15, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29135277/somato-visceral-effects-in-the-treatment-of-dysmenorrhea-neuromuscular-manual-therapy-and-standard-pharmacological-treatment
#9
Giovanni Barassi, Rosa Grazia Bellomo, Annamaria Porreca, Piera Attilia Di Felice, Loris Prosperi, Raoul Saggini
OBJECTIVES: This study aims to verify whether neuromuscular therapy (NMT) or pharmacology therapy (PT) is more effective for reducing symptoms in women affected by primary dysmenorrhea and the effects associated with each treatment. DESIGN: A controlled, randomized, single-blind clinical trial within the framework of the chair of physical medicine and rehabilitation of the University "G. d'Annunzio" of Chieti-Pescara. The study was conducted on a sample of 60 women suffering from primary dysmenorrhea...
November 14, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/29133185/squatting-re-education-with-lumbo-pelvic-thigh-muscles-cocontraction-improves-functional-performance-in-patellofemoral-pain-syndrome-a-case-report
#10
Nagarajan Manickaraj
Anterior knee pain with or without joint crepitus during squatting is the common clinical feature in the individuals with patellofemoral pain syndrome (PFPS). Altered lower extremity alignment and lumbo-pelvic-thigh muscles motor control is often associated with PFPS. Although current interventions recommend individual muscle activation and strength training exercises, the reported benefits of cocontraction based exercises in PFPS is limited. It might be due to the long standing hypothesis that the exercise induced cocontraction of thigh muscles may induce a negative effect by increasing the joint contact forces in individuals with knee osteoarthritis...
November 10, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29131779/sport-sampling-is-associated-with-improved-landing-technique-in-youth-athletes
#11
Lindsay J DiStefano, Eleanor M Beltz, Hayley J Root, Jessica C Martinez, Andrew Houghton, Nicole Taranto, Katherine Pearce, Erin McConnell, Courtney Muscat, Steve Boyle, Thomas H Trojian
BACKGROUND: Sport sampling is recommended to promote fundamental movement skill acquisition and physical activity. In contrast, sport specialization is associated with musculoskeletal injury risk, burnout, and attrition from sport. There is limited evidence to support the influence of sport sampling on neuromuscular control, which is associated with injury risk, in youth athletes. HYPOTHESIS: Athletes who participated in only 1 sport during the previous year would demonstrate higher Landing Error Scoring System (LESS) scores than their counterparts...
November 1, 2017: Sports Health
https://www.readbyqxmd.com/read/29130196/super-resolution-single-molecule-fish-at-the-drosophila-neuromuscular-junction
#12
Joshua S Titlow, Lu Yang, Richard M Parton, Ana Palanca, Ilan Davis
The lack of an effective, simple, and highly sensitive protocol for fluorescent in situ hybridization (FISH) at the Drosophila larval neuromuscular junction (NMJ) has hampered the study of mRNA biology. Here, we describe our modified single molecule FISH (smFISH) methods that work well in whole mount Drosophila NMJ preparations to quantify primary transcription and count individual cytoplasmic mRNA molecules in specimens while maintaining ultrastructural preservation. The smFISH method is suitable for high-throughput sample processing and 3D image acquisition using any conventional microscopy imaging modality and is compatible with the use of antibody colabeling and transgenic fluorescent protein tags in axons, glia, synapses, and muscle cells...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29126270/neural-plasticity-with-age-unilateral-maximal-strength-training-augments-efferent-neural-drive-to-the-contralateral-limb-in-older-adults
#13
Tiril Tøien, Runar Unhjem, Thomas Storehaug Øren, Ann Charlotte Gjertsen Kvellestad, Jan Hoff, Eivind Wang
Efferent neural drive during strong muscle contractions is attenuated with age, even after lifelong strength training. However, it is unknown if this deterioration may impede contralateral neural plasticity, and limit the clinical value of unilateral strength training. We assessed muscle force-generating capacity, evoked potentials recordings (V-wave and H-reflex normalized to M-wave; V/M-ratio and H/M-ratio) and voluntary activation (VA) in the plantar flexors of the contralateral limb following unilateral maximal strength training (MST) with the dominant limb for three weeks (9 sessions)...
November 4, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29122523/subcutaneous-immunoglobulin-for-maintenance-treatment-in-chronic-inflammatory-demyelinating-polyneuropathy-path-a-randomised-double-blind-placebo-controlled-phase-3-trial
#14
Ivo N van Schaik, Vera Bril, Nan van Geloven, Hans-Peter Hartung, Richard A Lewis, Gen Sobue, John-Philip Lawo, Michaela Praus, Orell Mielke, Billie L Durn, David R Cornblath, Ingemar S J Merkies
BACKGROUND: Approximately two-thirds of patients with chronic inflammatory demyelinating polyneuropathy (CIDP) need long-term intravenous immunoglobulin. Subcutaneous immunoglobulin (SCIg) is an alternative option for immunoglobulin delivery, but has not previously been investigated in a large trial of CIDP. The PATH study compared relapse rates in patients given SCIg versus placebo. METHODS: Between March 12, 2012, and Sept 20, 2016, we studied patients from 69 neuromuscular centres in North America, Europe, Israel, Australia, and Japan...
November 6, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/29121964/muscle-force-distribution-of-the-lower-limbs-during-walking-in-diabetic-individuals-with-and-without-polyneuropathy
#15
Aline A Gomes, Marko Ackermann, Jean P Ferreira, Maria Isabel V Orselli, Isabel C N Sacco
BACKGROUND: Muscle force estimation could advance the comprehension of the neuromuscular strategies that diabetic patients adopt to preserve walking ability, which guarantees their independence as they deal with their neural and muscular impairments due to diabetes and neuropathy. In this study, the lower limb's muscle force distribution during gait was estimated and compared in diabetic patients with and without polyneuropathy. METHODS: Thirty individuals were evaluated in a cross-sectional study, equally divided among controls (CG) and diabetic patients with (DNG) and without (DG) polyneuropathy...
November 9, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29119418/low-level-laser-therapy-improves-the-vo2-kinetics-in-competitive-cyclists
#16
Fábio J Lanferdini, Renata L Krüger, Bruno M Baroni, Caetano Lazzari, Pedro Figueiredo, Alvaro Reischak-Oliveira, Marco A Vaz
Some evidence supports that low-level laser therapy (LLLT) reduces neuromuscular fatigue, so incrementing sports performance. A previous randomized controlled trial of our group showed increased exercise tolerance in male competitive cyclists treated with three different LLLT doses (3, 6, and 9 J/diode; or 135, 270, and 405 J/thigh) before time-to-exhaustion cycling tests. Now, the present study was designed to evaluate the effects of these LLLT doses on the VO2 kinetics of athletes during cycling tests. Twenty male competitive cyclists (29 years) participated in a crossover, randomized, double-blind, and placebo-controlled trial...
November 9, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29118957/morphological-peculiarities-of-neuromuscular-junctions-among-different-fiber-types-effect-of-exercise
#17
Teet Seene, Maria Umnova, Priit Kaasik
The aim of our research was to examine whether there are differences in the morphology of neuromuscular junctions of different types of muscle fibers in rodents, and after their adaptation to six weeks endurance exercise training. After 5-day acclimation, Wistar rats were subjected to run with the speed 35 m/min during 6 week, 5 days per week and the training volume reached 60 min per day. Muscle samples for ultrastructural studies were fixed, dehydrated and embedded in Epon-812. Ultra-thin sections were cut from longitudinally and transversely oriented blocs, using 4 blocks from each animal...
June 27, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29118693/design-of-a-soft-robotic-elbow-sleeve-with-passive-and-intent-controlled-actuation
#18
Tze Hui Koh, Nicholas Cheng, Hong Kai Yap, Chen-Hua Yeow
The provision of continuous passive, and intent-based assisted movements for neuromuscular training can be incorporated into a robotic elbow sleeve. The objective of this study is to propose the design and test the functionality of a soft robotic elbow sleeve in assisting flexion and extension of the elbow, both passively and using intent-based motion reinforcement. First, the elbow sleeve was developed, using elastomeric and fabric-based pneumatic actuators, which are soft and lightweight, in order to address issues of non-portability and poor alignment with joints that conventional robotic rehabilitation devices are faced with...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29117442/neuromuscular-adaptations-induced-by-adjacent-joint-training
#19
Ryoichi Ema, Itaru Saito, Ryota Akagi
Effects of resistance training are well known to be specific to tasks that are involved during training. However, it remains unclear whether neuromuscular adaptations are induced after adjacent joint training. This study examined the effects of hip flexion training on maximal and explosive knee extension strength and neuromuscular performance of the rectus femoris (RF, hip flexor and knee extensor) compared with the effects of knee extension training. Thirty-seven untrained young men were randomly assigned to hip flexion training, knee extension training, or a control group...
November 8, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29114849/risk-of-skin-cancer-among-patients-with-myotonic-dystrophy-type-1-based-on-primary-care-physician-data-from-the-united-kingdom-clinical-practice-research-datalink
#20
Youjin Wang, Ruth M Pfeiffer, Rotana Alsaggaf, Wilhelmine Meeraus, Julia C Gage, Lesley A Anderson, Renée C Bremer, Nikoletta Nikolenko, Hanns Lochmuller, Mark H Greene, Shahinaz M Gadalla
Myotonic dystrophy type 1 (DM1) is an inherited multisystem neuromuscular disorder caused by a CTG trinucleotide repeat expansion in the DMPK gene. Recent evidence documents that DM1 patients have an increased risk of certain cancers, but whether skin cancer risks are elevated is unclear. Using the U.K. Clinical Practice Research Datalink (CPRD), we identified 1,061 DM1 patients and 15,119 DM1-free individuals matched on gender, birth year (±2 years), attending practice, and registration year (±1 year). We calculated the hazard ratios (HRs) and 95% confidence intervals (CIs) for the association of DM1 diagnosis with skin cancer risk using Cox proportional hazards models, for all skin cancers combined and by histological subtype...
November 7, 2017: International Journal of Cancer. Journal International du Cancer
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