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https://www.readbyqxmd.com/read/28440863/fewdon-mnd-syndrome-finger-extension-weakness-and-downbeat-nystagmus-a-novel-motor-neuron-disorder
#1
Aline Delva, Nimish Thakore, Erik Pioro, Koen Poesen, Rachel Saunders-Pullman, Inge A Meijer, Janet C Rucker, John T Kissel, Philip Van Damme
Introduction Disturbances of eye movements are infrequently encountered in motor neuron diseases or motor neuropathies, and there is no known syndrome that combines progressive muscle weakness with downbeat nystagmus. Methods To describe the core clinical features of a syndrome of motor neuron disease associated with downbeat nystagmus, clinical features were collected from 6 patients. Results All patients had slowly progressive muscle weakness and wasting, in combination with downbeat nystagmus, which was clinically most obvious in downward and lateral gaze...
April 25, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28436583/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#2
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
April 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28433752/serotonergic-transmission-and-gap-junctional-coupling-in-proventricular-muscle-cells-in-the-american-cockroach-periplaneta-americana
#3
Ryoichi Yoshimura, Taeko Suetsugu, Yasuhisa Endo
The visceral muscle tissues of insects consist of striated muscle cells. The mechanisms responsible for delivering signals to the contractile muscles in the insect digestive tract remain unclear. We found that serotonergic nerves innervate the hemocoel surfaces of foregut and midgut muscles in the American cockroach. Electron microscopy of the neuromuscular junctions in the proventriculus (gizzard) revealed typical synaptic structures, the accumulation of large core/cored vesicles (neuropeptides) and small clear vesicle (neurotransmitter) at presynapses, and synaptic clefts...
April 19, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28432739/effect-of-a-4-week-elastic-resistance-band-training-regimen-on-back-kinematics-in-horses-trotting-in-hand-and-on-the-lunge
#4
T Pfau, V Simons, N Rombach, N Stubbs, R Weller
REASONS FOR PERFORMING STUDY: Training and rehabilitation techniques aiming at improving core muscle strength may result in increased dynamic stability of the equine vertebral column. A system of elastic resistance bands is suggested to provide proprioceptive feedback during motion to encourage recruitment of core abdominal and hindquarter musculature for improved dynamic stability. OBJECTIVES: To quantify the effects of a specific resistance band system on back kinematics during trot in-hand and during lungeing at beginning and end of a 4-week exercise programme...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28425239/an-8-week-thoracic-spine-stabilization-exercise-program-improves-postural-back-pain-spine-alignment-postural-sway-and-core-endurance-in-university-students-a-randomized-controlled-study
#5
Şeyda Toprak Çelenay, Derya Özer Kaya
BACKGROUND/AIM: To investigate the effects of an 8-week thoracic stabilization exercise program on back pain, spinal alignment, postural sway, and core endurance in university students. MATERIALS AND METHODS: University students were randomly allocated into exercise (n: 28) and control (n: 25) groups. The exercise program was carried out 3 days a week for 8 weeks. Postural pain, spinal alignment, postural sway, and core endurance were assessed via visual analogue scale, Spinal Mouse, Biodex Balance System, and McGill's trunk muscle endurance tests at the baseline and after 8 weeks of training...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28422813/a-new-approach-in-assessing-core-muscle-endurance-using-ratings-of-perceived-exertion
#6
James D George, Jeffrey R Tolley, Pat R Vehrs, Joel D Reece, M Fatih Akay, Edward D J Cambridge
This study sought to develop regression models to estimate maximal endurance time by using data from four core muscle endurance tests. Eighty healthy university students (age: 22.7 ± 1.9 yr) performed the plank, right side-bridge, left side-bridge, and back extension tests in a random order. Participants were instructed to hold each static position for a maximal endurance time, while maintaining proper form, and then rest for 5 min between tests. A test administrator recorded participants' ratings of perceived exertion (RPE; modified 10-point scale) every 5 s...
April 4, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28421465/the-role-of-the-molecular-clock-in-skeletal-muscle-and-what-it-is-teaching-us-about-muscle-bone-crosstalk
#7
REVIEW
Lance A Riley, Karyn A Esser
PURPOSE OF REVIEW: This review summarizes what has been learned about the interaction between skeletal muscle and bone from mouse models in which BMAL1, a core molecular clock protein has been deleted. Additionally, we highlight several genes which change following loss of BMAL1. The protein products from these genes are secreted from muscle and have a known effect on bone homeostasis. RECENT FINDINGS: Circadian rhythms have been implicated in regulating systems homeostasis through a series of transcriptional-translational feedback loops termed the molecular clock...
April 18, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28419532/electromyography-in-the-assessment-and-therapy-of-lower-urinary-tract-dysfunction-in-adults
#8
REVIEW
Jan Krhut, Roman Zachoval, Peter F W M Rosier, Beth Shelly, Peter Zvara
AIM: To present the teaching module "Electromyography in the assessment and therapy of lower urinary tract dysfunction in adults." This teaching module embodies a presentation, in combination with this manuscript. This manuscript serves as a scientific background review; the evidence base made available on ICS website to summarize current knowledge and recommendations. METHODS: This review has been prepared by a Working Group of The ICS Urodynamics Committee. The methodology used included comprehensive literature review, consensus formation by the members of the Working Group, and review by members of the ICS Urodynamics Committee core panel...
April 18, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28416816/scalable-electrophysiology-in-intact-small-animals-with-nanoscale-suspended-electrode-arrays
#9
Daniel L Gonzales, Krishna N Badhiwala, Daniel G Vercosa, Benjamin W Avants, Zheng Liu, Weiwei Zhong, Jacob T Robinson
Electrical measurements from large populations of animals would help reveal fundamental properties of the nervous system and neurological diseases. Small invertebrates are ideal for these large-scale studies; however, patch-clamp electrophysiology in microscopic animals typically requires invasive dissections and is low-throughput. To overcome these limitations, we present nano-SPEARs: suspended electrodes integrated into a scalable microfluidic device. Using this technology, we have made the first extracellular recordings of body-wall muscle electrophysiology inside an intact roundworm, Caenorhabditis elegans...
April 17, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28413470/identification-of-genes-associated-with-the-effect-of-inflammation-on-the-neurotransmission-of-vascular-smooth-muscle-cell
#10
Shujie Gan, Shenlong Qiu, Yiwen Feng, Yanping Zhang, Qin Qian, Zhong Wan, Jingdong Tang
Vascular smooth muscle cell (VSMC) accumulation and hypertrophy are common in vascular disorders, and inflammation has a crucial role in the development of these diseases. To investigate the effect of inflammation on the neurotransmission of VSMC, bioinformatic analysis was performed, following next generation sequencing. Genes of lipopolysaccharide (LPS)-treated A7r5 cells and phosphate-buffered saline (PBS)-treated A7r5 cells were sequenced via next generation sequencing, and each assay was repeated three times...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28413116/trunk-muscle-emg-during-intermediate-pilates-mat-exercises-in-beginner-healthy-and-chronic-low-back-pain-individuals
#11
Ivye L R Pereira, Bergson Queiroz, Jefferson Loss, César Amorim, Isabel C N Sacco
OBJECTIVE: The purpose of this study was to compare the electromyographic pattern of core muscles during intermediate Pilates mat exercises between healthy people and those with low back pain. METHODS: We evaluated healthy participants (n = 19; mean ± standard deviation [SD]: age 28 ± 8 years, body mass 65 ± 10 kg, height 160.0 ± 9.1 cm) and a low back pain group (n = 13; mean ± SD: age 30 ± 9 years, body mass 67 ± 12 kg, height 170.0 ± 6.6 cm). Electromyographic analysis assessed the multifidus, external oblique, internal oblique, and rectus abdominis muscles during classical Pilates exercises (single leg stretch, criss-cross, and dead bug)...
April 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28408873/neurofeedback-of-slow-cortical-potentials-in-children-with-attention-deficit-hyperactivity-disorder-a-multicenter-randomized-trial-controlling-for-unspecific-effects
#12
Ute Strehl, Pascal Aggensteiner, Daniel Wachtlin, Daniel Brandeis, Björn Albrecht, Maria Arana, Christiane Bach, Tobias Banaschewski, Thorsten Bogen, Andrea Flaig-Röhr, Christine M Freitag, Yvonne Fuchsenberger, Stephanie Gest, Holger Gevensleben, Laura Herde, Sarah Hohmann, Tanja Legenbauer, Anna-Maria Marx, Sabina Millenet, Benjamin Pniewski, Aribert Rothenberger, Christian Ruckes, Sonja Wörz, Martin Holtmann
Background: Neurofeedback (NF) in children with attention-deficit/hyperactivity disorder (ADHD) has been investigated in a series of studies over the last years. Previous studies did not unanimously support NF as a treatment in ADHD. Most studies did not control for unspecific treatment effects and did not demonstrate that self-regulation took place. The present study examined the efficacy of NF in comparison to electromyographic (EMG) feedback to control for unspecific effects of the treatment, and assessed self-regulation of slow cortical potentials (SCPs)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28405398/mechanisms-of-vortices-termination-in-the-cardiac-muscle
#13
D Hornung, V N Biktashev, N F Otani, T K Shajahan, T Baig, S Berg, S Han, V I Krinsky, S Luther
We propose a solution to a long-standing problem: how to terminate multiple vortices in the heart, when the locations of their cores and their critical time windows are unknown. We scan the phases of all pinned vortices in parallel with electric field pulses (E-pulses). We specify a condition on pacing parameters that guarantees termination of one vortex. For more than one vortex with significantly different frequencies, the success of scanning depends on chance, and all vortices are terminated with a success rate of less than one...
March 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28402693/heparan-sulfate-proteoglycans-regulate-autophagy-in-drosophila
#14
Claire E Reynolds-Peterson, Na Zhao, Jie Xu, Taryn M Serman, Jielin Xu, Scott B Selleck
Heparan sulfate-modified proteoglycans (HSPGs) are important regulators of signaling and molecular recognition at the cell surface and in the extracellular space. Disruption of HSPG core proteins, HS-synthesis, or HS-degradation can have profound effects on growth, patterning, and cell survival. The Drosophila neuromuscular junction provides a tractable model for understanding the activities of HSPGs at a synapse that displays developmental and activity-dependent plasticity. Muscle cell-specific knockdown of HS biosynthesis disrupted the organization of a specialized postsynaptic membrane, the subsynaptic reticulum (SSR), and affected the number and morphology of mitochondria...
April 12, 2017: Autophagy
https://www.readbyqxmd.com/read/28400676/erratum-core-decompression-or-quadratus-femoris-muscle-pedicle-bone-grafting-for-nontraumatic-osteonecrosis-of-the-femoral-head-a-randomized-control-study
#15
(no author information available yet)
[This corrects the article on p. 629 in vol. 50, PMID: 27904218.].
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28400270/differential-expression-profile-of-mirnas-in-porcine-muscle-and-adipose-tissue-during-development
#16
Qi Wang, Renli Qi, Jing Wang, Wenming Huang, Yongjiang Wu, Huang Xiaofeng, Feiyun Yang, Jinxiu Huang
MicroRNAs (miRNAs) are a class of non-coding RNAs that play a crucial regulatory role in many biological processes. Previous studies have reported miRNAs that are associated with the growth, differentiation, and proliferation of myocytes and adipocytes in pigs. However, differences in the miRNA expression profiles between muscle and adipose tissues during porcine development are unknown. Muscle and adipose tissues are the two major organs that are crucial for dynamic energy balance in the development and metabolism...
April 8, 2017: Gene
https://www.readbyqxmd.com/read/28395534/application-of-the-international-classification-of-functioning-disability-and-health-system-to-symptoms-of-the-duchenne-and-becker-muscular-dystrophies
#17
Kristin M Conway, Emma Ciafaloni, Dennis Matthews, Chris Westfield, Kathy James, Pangaja Paramsothy, Paul A Romitti
PURPOSE: Duchenne and Becker muscular dystrophies, collectively referred to as dystrophinopathies, are X-linked recessive diseases that affect dystrophin production resulting in compromised muscle function across multiple systems. The International Classification of Functioning, Disability and Health provides a systematic classification scheme from which body functions affected by a dystrophinopathy can be identified and used to examine functional health. MATERIALS AND METHODS: The infrastructure of the Muscular Dystrophy Surveillance, Tracking, and Research Network was used to identify commonly affected body functions and link selected functions to clinical surveillance data collected through medical record abstraction...
April 11, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28394031/degeneration-of-rapid-eye-movement-sleep-circuitry-underlies-rapid-eye-movement-sleep-behavior-disorder
#18
REVIEW
Dillon McKenna, John Peever
During healthy rapid eye movement sleep, skeletal muscles are actively forced into a state of motor paralysis. However, in rapid eye movement sleep behavior disorder-a relatively common neurological disorder-this natural process is lost. A lack of motor paralysis (atonia) in rapid eye movement sleep behavior disorder allows individuals to actively move, which at times can be excessive and violent. At first glance this may sound harmless, but it is not because rapid eye movement sleep behavior disorder patients frequently injure themselves or the person they sleep with...
April 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28392307/electrically-responsive-core-shell-hybrid-microfibers-for-controlled-drug-release-and-cell-culture
#19
Chuntao Chen, Xiao Chen, Heng Zhang, Qi Zhang, Li Wang, Chenxi Li, Beibei Dai, Jiazhi Yang, Jian Liu, Dongping Sun
It is an active research field to develop fiber-shaped smart materials for biomedical applications. Here we report the development of the multifunctional core-shell hybrid microfibers with excellent mechanical and electrical performance as a new smart biomaterial. The microfibers were synthesized using a combination of co-axial spinning with a microfluidic device and subsequent dip-coating, containing a hydrogel core of bacterial cellulose (BC) and a conductive polymer shell layer of poly(3,4-ethylenedioxythiophene) (PEDOT)...
April 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28390769/vascular-applications-of-contrast-enhanced-ultrasound-imaging
#20
REVIEW
Kunal S Mehta, Jake J Lee, Ashraf A Taha, Efthymios Avgerinos, Rabih A Chaer
OBJECTIVE: Contrast-enhanced ultrasound (CEUS) imaging is a powerful noninvasive modality offering numerous potential diagnostic and therapeutic applications in vascular medicine. CEUS imaging uses microbubble contrast agents composed of an encapsulating shell surrounding a gaseous core. These microbubbles act as nearly perfect intravascular reflectors of ultrasound energy and may be used to enhance the overall contrast and quality of ultrasound images. The purpose of this narrative review is to survey the current literature regarding CEUS imaging and discuss its diagnostic and therapeutic roles in current vascular and selected nonvascular applications...
April 5, 2017: Journal of Vascular Surgery
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