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https://www.readbyqxmd.com/read/29684885/abnormal-muscle-activation-patterns-are-associated-with-chronic-gait-deficits-following-traumatic-brain-injury
#1
Samuel A Acuña, Mitchell E Tyler, Yuri P Danilov, Darryl G Thelen
BACKGROUND: Gait and balance disorders are common among individuals who have experienced a mild to moderate traumatic brain injury (TBI). However, little is known about how the neuromuscular control of gait is altered following a TBI. RESEARCH QUESTION: Investigate the relationship between lower limb muscle activation patterns and chronic gait deficits in individuals who previously experienced a mild to moderate TBI. METHODS: Lower extremity electromyographic (EMG) signals were collected bilaterally during treadmill and overground walking in 44 ambulatory individuals with a TBI >1 year prior and 20 unimpaired controls...
April 12, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29684047/effect-of-hypnotic-suggestion-on-knee-extensor-neuromuscular-properties-in-resting-and-fatigued-states
#2
Naiandra Dittrich, Daniel Agostino, Roberta Antonini Philippe, Luiz Guilherme A Guglielmo, Nicolas Place
PURPOSE: The aim of this study was to investigate whether hypnotic suggestions can alter knee extensor neuromuscular function at rest and during exercise. METHODS: Thirteen healthy volunteers (8 men and 5 women, 27 ± 3 years old) took part in this counterbalanced, crossover study including two experimental (hypnosis and control) sessions. Knee extensor neuromuscular function was tested before and after hypnosis suggestion by using a combination of voluntary contraction, transcutaneous femoral nerve electrical stimulation and transcranial magnetic stimulation (TMS)...
2018: PloS One
https://www.readbyqxmd.com/read/29683988/case-report-ocular-myasthenia-gravis-associated-with-in-vitro-fertilization-procedures
#3
Yung Ju Yoo, Sang Beom Han, Hee Kyung Yang, Jeong-Min Hwang
SIGNIFICANCE: Ocular myasthenia gravis is a localized form of myasthenia gravis, which is a postsynaptic disorder of the neuromuscular junction that causes fluctuating weakness of extraocular muscles resulting from autoimmune mechanisms. In women with myasthenia, changes in sex hormone levels and administration of corticosteroids can trigger or worsen symptoms of myasthenia gravis. PURPOSE: To describe a case of seronegative ocular myasthenia gravis whose first symptom appeared a day after in vitro fertilization procedure...
April 20, 2018: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29682216/physical-training-interventions-for-children-and-teenagers-affected-by-acute-lymphoblastic-leukemia-and-related-treatment-impairments
#4
REVIEW
Carolina Simioni, Giorgio Zauli, Alberto M Martelli, Marco Vitale, Simona Ultimo, Daniela Milani, Luca M Neri
A decreased physical fitness has been reported in patients and survivors of acute lymphoblastic leukemia (ALL). This is influenced by the negative effects of the disease and by the treatments of childhood cancer. In the past, children were advised to recover in bed, and to take as much relax as possible. Nowadays, it is considered that too much immobility may result in a further decrease of physical fitness and functioning. Exercise training for ALL children has frequently been reported to improve physical fitness and the well-being of the children, since it prevents the negative effects of a sedentary life-style, such as obesity and a poor skeletal health...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29682086/relationships-between-muscle-strength-and-multi-channel-surface-emg-parameters-in-eighty-eight-elderly
#5
Kohei Watanabe, Motoki Kouzaki, Madoka Ogawa, Hiroshi Akima, Toshio Moritani
Background: Since age-related muscle strength loss cannot be explained solely by muscle atrophy, other determinants would also contribute to muscle strength in elderly. The present study aimed to clarify contribution of neuromuscular activation pattern to muscle strength in elderly group. From 88 elderlies (age: 61~ 83 years), multi-channel surface electromyography (EMG) of the vastus lateralis muscle was recorded with two-dimensional 64 electrodes during isometric submaximal ramp-up knee extension to assess neuromuscular activation pattern...
2018: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/29681644/paraneoplastic-lambert-eaton-syndrome-in-a-patient-with-disseminated-metastatic-cancer
#6
Gregorio Arellano-Aguilar, Erik Santiago Núñez-Mojica, José Luis Gutiérrez-Velazco, Luis Gerardo Domínguez-Carrillo
Background: Neurological paraneoplastic syndromes are rare, occur in 0.01% of all cancer patients; like part of them, the Lambert-Eaton syndrome is an autoimmune presynaptic disorder of neuromuscular transmission characterized by muscle weakness and neurovegetative dysfunction, and often associated with small cell lung cancer. Case report: A 72 years old female with a family history of lung cancer and leukemia, with 7 months of dry cough and 3 months with waist and pelvic muscle weakness, oropharyngeal dysphagia, dry mouth, chronic constipation and weight loss of 10 kg...
2018: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/29679393/neuromuscular-ultrasound-findings-in-eosinophilic-fasciitis-a-case-series-and-literature-review
#7
Michael Verenes, Sarah L Stone, Lisa D Hobson-Webb, Justin T Mhoon, Amanda C Guidon, Carolina De Jesus-Acosta, Michael S Cartwright
No abstract text is available yet for this article.
April 20, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29679248/effects-of-training-intensity-in-electromyostimulation-on-human-skeletal-muscle
#8
Toshiharu Natsume, Hayao Ozaki, Ryo Kakigi, Hiroyuki Kobayashi, Hisashi Naito
PURPOSE: High-intensity neuromuscular electrical stimulation (NMES) training can induce muscle hypertrophy at the whole muscle and muscle fiber levels. However, whether low-intensity NMES training has a similar result is unknown. This study aimed to investigate whether low-intensity NMES training could elicit muscle hypertrophy at the whole muscle and muscle fiber levels in the human skeletal muscle. METHODS: Eight untrained young males were subjected to 18 min of unilateral NMES training for 8 weeks...
April 20, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29679247/neuromuscular-and-electromechanical-properties-of-ultra-power-athletes-the-traceurs
#9
Sidney Grosprêtre, Philippe Gimenez, Alain Martin
PURPOSE: Practising a power-type activity over years can shape the neuromuscular profile of athletes. This study aimed at comparing the neuromuscular profile of a non-trained group (NT, n = 10) to power athletes practising Parkour (= traceurs, group PK, n = 11), an activity consisting of jumping obstacles mostly in an urban landscape. METHODS: Maximal isometric plantar flexion force (MVC) and rate of torque development (RTD) were evaluated, and neuromuscular function of triceps surae muscles was assessed and compared between groups through the analysis of evoked potentials from posterior tibial nerve stimulation...
April 20, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29678888/bovine-spastic-syndrome-a-review
#10
REVIEW
Victoria Goeckmann, Sophie Rothammer, Ivica Medugorac
Bovine spastic syndrome (BSS) was described for the first time in 1941. The disease occurs in various-maybe even all-cattle breeds and is a chronic-progressive neuromuscular disorder that commonly affects cattle of at least three years of age. Typical clinical signs of the disease are clonic-tonic cramps of the hindlimbs that occur in attacks. Since BSS does not recover, affected animals can only be treated symptomatically by improving welfare conditions and management factors, or with physical therapy or drugs...
April 20, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29678563/pilot-randomized-trial-of-integrated-cognitive-behavioral-therapy-and-neuromuscular-training-for-juvenile-fibromyalgia-the-fit-teens-program
#11
Susmita Kashikar-Zuck, William R Black, Megan Pfeiffer, James Peugh, Sara E Williams, Tracy V Ting, Staci Thomas, Katie Kitchen, Gregory D Myer
Cognitive-behavioral therapy (CBT) improves coping and daily functioning in adolescents with juvenile fibromyalgia (JFM), but is less effective in reducing pain. This pilot trial evaluated the efficacy of a novel intervention (Fibromyalgia Integrative Training for Teens; FIT Teens) which integrates CBT with specialized neuromuscular exercise training to enhance the impact of treatment on reducing pain and disability. Forty adolescents with JFM (12-18 years) were randomized to CBT-only or FIT Teens. Treatment was conducted in group-based sessions over 8 weeks with assessments at baseline, post-treatment, and 3-month follow-up (primary endpoint)...
April 17, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29678396/time-to-peak-torque-and-acceleration-time-are-altered-in-male-patients-following-traumatic-shoulder-instability
#12
Jin Hyuck Lee, Ji Soon Park, Hyun Jung Hwang, Woong Kyo Jeong
BACKGROUND: Numerous authors have evaluated the strength of the rotator cuff muscles in patients with shoulder instability. However, only limited data are available with regard to neuromuscular control in patients with traumatic anterior shoulder instability, in particular at 90° of abduction. This study was designed to assess muscle strength and neuromuscular control ability using time to peak torque and acceleration time in nonathletic patients with traumatic anterior shoulder instability...
April 17, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29676910/5-phosphorothiolate-dinucleotide-cap-analogs-reagents-for-mrna-modification-and-potent-small-molecular-inhibitors-of-decapping-enzymes
#13
Blazej Andrzej Wojtczak, Pawel J Sikorski, Kaja Fac-Dabrowska, Anna Nowicka, Marcin Warminski, Dorota Kubacka, Elzbieta Nowak, Marcin Nowotny, Joanna Kowalska, Jacek Jemielity
The 5' cap consists of 7-methylguanosine (m7G) linked by a 5'-5'-triphosphate bridge to mRNA and acts as the master regu-lator of mRNA turnover and translation initiation in eukaryotes. Cap analogs that influence mRNA translation and turnover (either as small molecules or as part of an RNA transcript) are valuable tools for studying gene expression, which is often also of therapeutic relevance. Here, we synthesized a series of 15 dinucleotide cap (m7GpppG) analogs containing a 5'-phosphorothiolate (5'-PSL) moiety (i...
April 20, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29675142/reviewing-clinical-effectiveness-of-active-training-strategies-of-platform-based-ankle-rehabilitation-robots
#14
REVIEW
Xiangfeng Zeng, Guoli Zhu, Mingming Zhang, Sheng Q Xie
Objective: This review aims to provide a systematical investigation of clinical effectiveness of active training strategies applied in platform-based ankle robots. Method: English-language studies published from Jan 1980 to Aug 2017 were searched from four databases using key words of "Ankle∗ " AND "Robot∗ " AND "Effect∗ OR Improv∗ OR Increas∗ ." Following an initial screening, three rounds of discrimination were successively conducted based on the title, the abstract, and the full paper...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29674962/invaginating-structures-in-mammalian-synapses
#15
REVIEW
Ronald S Petralia, Ya-Xian Wang, Mark P Mattson, Pamela J Yao
Invaginating structures at chemical synapses in the mammalian nervous system exist in presynaptic axon terminals, postsynaptic spines or dendrites, and glial processes. These invaginating structures can be divided into three categories. The first category includes slender protrusions invaginating into axonal terminals, postsynaptic spines, or glial processes. Best known examples of this category are spinules extending from postsynaptic spines into presynaptic terminals in forebrain synapses. Another example of this category are protrusions from inhibitory presynaptic terminals invaginating into postsynaptic neuronal somas...
2018: Frontiers in Synaptic Neuroscience
https://www.readbyqxmd.com/read/29674282/bioenergetics-mechanisms-regulating-muscle-stem-cell-self-renewal-commitment-and-function
#16
REVIEW
Phablo Abreu
Muscle stem cells or satellite cells are crucial for muscle maintenance and repair. These cells are mitotically quiescent and uniformly express the transcription factor Pax7, intermittently entering the cell cycle to give rise to daughter myogenic precursors cells and fuse with neighboring myofibers or self-renew, replenishing the stem cell pool in adult skeletal muscle. Pivotal roles of muscle stem cells in muscle repair have been uncovered, but it still remains unclear how muscle stem cell self-renewal is molecularly regulated and how muscle stem cells maintain muscle tissue homeostasis...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29673398/assessment-of-orthotic-needs-in-iranian-veterans-with-ankle-and-foot-disorders
#17
Kamiar Ghoseiri, Mostafa Allami, Mohammad Reza Soroush
BACKGROUND: War-related traumas can lead to orthopedic and neurological disorders in victims. However, the scope of such disorders may expand months or even years after the trauma. Orthotic treatment as a rehabilitation process aims to enable people with disabilities to reach and maintain their optimal physical, sensory, intellectual, psychological, and social functional levels. This study aimed to investigate the rate of using orthoses among Iranian veterans with neuromuscular and skeletal disorders of the ankle and foot...
April 20, 2018: Military Medical Research
https://www.readbyqxmd.com/read/29672872/neuromuscular-ultrasound-of-the-brachial-plexus-a-standardized-approach
#18
REVIEW
Vanessa Baute, Jeffrey A Strakowski, Jon W Reynolds, Kristopher R Karvelas, Paul Ehlers, Kevin J Brenzy, Zhongyu J Li, Michael S Cartwright
Reliable assessment of brachial plexus disorders can be challenging due to the complexity of the anatomy and variation of potential pathology. Electrodiagnostic testing can be both uncomfortable for the patient and inconclusive. Ultrasound can serve as a complement to clinical assessment, electrodiagnostic testing, and other imaging modalities. This paper describes a systematic approach for performing neuromuscular ultrasound for suspected pathology in the brachial plexus. The literature regarding techniques for brachial plexus ultrasound was reviewed...
April 19, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29671152/predictive-simulations-of-neuromuscular-coordination-and-joint-contact-loading-in-human-gait
#19
Yi-Chung Lin, Jonathan P Walter, Marcus G Pandy
We implemented direct collocation on a full-body neuromusculoskeletal model to calculate muscle forces, ground reaction forces and knee contact loading simultaneously for one cycle of human gait. A data-tracking collocation problem was solved for walking at the normal speed to establish the practicality of incorporating a 3D model of articular contact and a model of foot-ground interaction explicitly in a dynamic optimization simulation. The data-tracking solution then was used as an initial guess to solve predictive collocation problems, where novel patterns of movement were generated for walking at slow and fast speeds, independent of experimental data...
April 18, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29670571/electromyographical-gait-characteristics-in-parkinson-s-disease-effects-of-combined-physical-therapy-and-rhythmic-auditory-stimulation
#20
Christopher A Bailey, Federica Corona, Mauro Murgia, Roberta Pili, Massimiliano Pau, Julie N Côté
Background: In persons with Parkinson's disease (PD), gait dysfunctions are often associated with abnormal neuromuscular function. Physical therapy combined with auditory stimulation has been recently shown to improve motor function and gait kinematic patterns; however, the underlying neuromuscular control patterns leading to this improvement have never been identified. Objectives: (1) Assess the relationships between motor dysfunction and lower limb muscle activity during gait in persons with PD; (2) Quantify the effects of physical therapy with rhythmic auditory stimulation (PT-RAS) on lower limb muscle activity during gait in persons with PD...
2018: Frontiers in Neurology
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