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Functional movement

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https://www.readbyqxmd.com/read/28339408/exploring-the-feasibility-and-use-of-acceleromters-before-during-and-after-a-camp-based-cimt-program-for-children-with-cerebral-palsy
#1
Patty Coker-Bolt, Ryan J Downey, Jacqueline Connolly, Reagin Hoover, Daniel Shelton, Na Jin Seo
PURPOSE: The aim of this pilot study was to determine the feasibility and use accelerometers before, during, and after a camp-based constraint-induced movement therapy (CIMT) program for children with hemiplegic cerebral palsy. METHODS: A pre-test post-test design was used for 12 children with CP (mean = 4.9 yrs) who completed a 30-hour camp-based CIMT program. The accelerometer data were collected using ActiGraph GT9X Link. Children wore accelerometers on both wrists one day before and after the camp and on the affected limb during each camp day...
2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/28339367/the-functional-significance-of-morphological-changes-in-the-dentitions-of-early-mammals
#2
Andrew J Conith, Michael J Imburgia, Alfred J Crosby, Elizabeth R Dumont
The Mesozoic marked a time of experimentation in the tooth morphology of early mammals. One particular experiment involved the movement of three points, or cusps, on the surface of a molar tooth from a line into a triangle. This transition is exemplified by two extinct insectivorous mammals, Morganucodon (cusps in a line) and Kuehneotherium (cusps in a triangle). Here we test whether this difference in cusp arrangement, alongside cusp heights and angles between cusps, is associated with differences in the ability of the teeth to fracture proxy-insect prey...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28339335/description-of-movement-quality-in-patients-with-low-back-pain-a-qualitative-study-as-a-first-step-to-a-practical-definition
#3
Margriet J H van Dijk, Nienke T A Smorenburg, Bart Visser, Maria W G Nijhuis-van der Sanden, Yvonne F Heerkens
PURPOSE: As a first step to formulate a practical definition for movement quality (MQ), this study aims to explore how Dutch allied health care professionals (AHCPs) describe MQ of daily life activities in patients with low back pain (LBP). METHODS: In this qualitative cross-sectional digital survey study, Dutch AHCPs (n = 91) described MQ in open text (n = 91) and with three keywords (n = 90). After exploratory qualitative content analysis, the ICF linking rules (International Classification of Functioning, Disability and Health) were applied to classify MQ descriptions and keywords...
March 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28339025/cerebral-hemorrhage-therapy-by-targeting-vegf-and-hgf-in-a-preclinical-trial-in-rats
#4
Xueqing Li, Ruiqi Cao, Huaihai Lu, Wenbin Tian, Ning Yu, Pei Zhang, Zhenming Dong
Cerebral hemorrhage is the most common type of human cerebrovascular disease and frequently causes paralysis, vegetative state and mortality. The modulatory actions of vascular endothelial growth factor (VEGF) and hepatocyte growth factor (HGF) are vital in the human nervous system. The present study investigated the association between cerebral hemorrhage and the expression of VEGF and HGF in a rat model of cerebral hemorrhage. The therapeutic potential of cerebral hemorrhage was also evaluated using targeted drugs for VEGF and HGF in the cerebral hemorrhage rat model...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338811/interventions-for-the-prevention-and-treatment-of-disability-due-to-acquired-joint-contractures-in-older-people-a-systematic-review
#5
Susanne Saal, Katrin Beutner, Julia Bogunski, Kathrin Obermüller, Martin Müller, Eva Grill, Gabriele Meyer
Background: acquired joint contractures have significant effects on quality of life and functioning. Objective: to determine the effects of interventions to prevent and treat disabilities in older people with acquired joint contractures. Methods: systematic search (last 8/2016) via Cochrane Library, PubMed, EMBASE, PEDro, CINAHL, trial registries, reference lists of retrieved articles and scientific congress pamphlets. Controlled and randomised controlled trials in English or German comparing an intervention with another intervention or standard care were included...
February 25, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28338793/sensitivity-to-perception-level-differentiates-two-subnetworks-within-the-mirror-neuron-system
#6
Shiri Simon, Roy Mukamel
Mirror neurons are a subset of brain cells that discharge during action execution and passive observation of similar actions. An open question concerns the functional role of their ability to match observed and executed actions. Since understanding of goals requires conscious perception of actions, we expect that mirror neurons potentially involved in action goal coding, will be modulated by changes in action perception level. Here, we manipulated perception level of action videos depicting short hand movements and measured the corresponding fMRI BOLD responses in mirror regions...
February 17, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28338615/node-self-deployment-algorithm-based-on-pigeon-swarm-optimization-for-underwater-wireless-sensor-networks
#7
Shanen Yu, Yiming Xu, Peng Jiang, Feng Wu, Huan Xu
At present, free-to-move node self-deployment algorithms aim at event coverage and cannot improve network coverage under the premise of considering network connectivity, network reliability and network deployment energy consumption. Thus, this study proposes pigeon-based self-deployment algorithm (PSA) for underwater wireless sensor networks to overcome the limitations of these existing algorithms. In PSA, the sink node first finds its one-hop nodes and maximizes the network coverage in its one-hop region. The one-hop nodes subsequently divide the network into layers and cluster in each layer...
March 24, 2017: Sensors
https://www.readbyqxmd.com/read/28338582/validation-of-the-clinician-graded-electronic-facial-paralysis-assessment-the-eface
#8
Lauren Sh Chong, Timothy J Eviston, Tsu-Hui Hubert Low, Shaheen Hasmat, Susan E Coulson, Jonathan R Clark
BACKGROUND: Facial paralysis remains a debilitating condition despite advances in medical, surgical and adjunctive interventions. Established grading systems used to assess facial paralysis and interventional outcomes have well described limitations. The Electronic Facial Paralysis Assessment (the eFACE), a clinician-graded zone-based facial function scale, has recently emerged as a grading tool that may provide greater sensitivity when assessing incomplete paralysis and post-surgical improvement...
March 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28338573/a-machine-learning-based-surface-electromyography-topography-evaluation-for-prognostic-prediction-of-functional-restoration-rehabilitation-in-chronic-low-back-pain
#9
Naifu Jiang, Keith Dip-Kei Luk, Yong Hu
STUDY DESIGN: A retrospective study. OBJECTIVE: To investigate the feasibility and applicability of support vector machine (SVM) algorithm in classifying patients with LBP who would obtain satisfactory or unsatisfactory progress after the functional restoration rehabilitation program. SUMMARY OF BACKGROUND DATA: Dynamic surface electromyography (SEMG) topography has demonstrated the potential use in predicting the prognosis of functional restoration rehabilitation for patients with low back pain (LBP)...
March 23, 2017: Spine
https://www.readbyqxmd.com/read/28338441/radiosurgery-in-the-management-of-brain-metastasis-a-retrospective-single-center-study-comparing-gamma-knife-and-linac-treatment
#10
Constantin Tuleasca, Laura Negretti, Mohamed Faouzi, Vera Magaddino, Thierry Gevaert, Erik von Elm, Marc Levivier
OBJECTIVE The authors present a retrospective analysis of a single-center experience with treatment of brain metastases using Gamma Knife (GK) and linear accelerator (LINAC)-based radiosurgery and compare the results. METHODS From July 2010 to July 2012, 63 patients with brain metastases were treated with radiosurgery. Among them, 28 (with 83 lesions) were treated with a GK unit and 35 (with 47 lesions) with a LINAC. The primary outcome was local progression-free survival (LPFS), evaluated on a per-lesion basis...
March 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28338386/targeted-functional-movement-retraining-to-improve-pain-function-and-biomechanics-in-subjects-with-anterior-knee-pain-a-case-series
#11
Dominique C Leibbrandt, Quinette A Louw
CONTEXT: Anterior Knee pain (AKP) is a common condition, especially in a young active population. The clinical presentations of this condition vary considerably and therefore an individualized approach to treatment is needed. OBJECTIVE: The primary objective of this study was to assess the effect of a novel targeted biomechanical intervention on subjects with AKP. DESIGN: A case series was conducted on eight participants with AKP Setting: The study was conducted at the Tygerberg motion analysis laboratory and Tygerberg physiotherapy clinic in Cape Town, South Africa...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28337597/the-functional-role-of-post-movement-beta-oscillations-in-motor-termination
#12
Elizabeth Heinrichs-Graham, Max J Kurz, James E Gehringer, Tony W Wilson
Shortly after movement termination, there is a strong increase or resynchronization of the beta rhythm (15-30 Hz) across the sensorimotor network of humans, known as the post-movement beta rebound (PMBR). This response has been associated with active inhibition of the motor network following the completion of a movement, sensory afferentation of the sensorimotor cortices, and other functions. However, studies that have directly probed the role of the PMBR in movement execution have reported mixed results, possibly due to differences in the amount of total motor output and/or movement complexity...
March 24, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28337590/acl-reconstructed-and-acl-deficient-individuals-show-differentiated-trunk-hip-and-knee-kinematics-during-vertical-hops-more-than-20%C3%A2-years-post-injury
#13
Jonas L Markström, Eva Tengman, Charlotte K Häger
PURPOSE: Little is known regarding movement strategies in the long term following injury of the anterior cruciate ligament (ACL), and even less about comparisons of reconstructed and deficient knees in relation to healthy controls. The present purpose was to compare trunk, hip, and knee kinematics during a one-leg vertical hop (VH) ~20 years post-ACL injury between persons treated with surgery and physiotherapy (ACLR), solely physiotherapy (ACLPT), and controls (CTRL). Between-leg kinematic differences within groups were also investigated...
March 23, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28337027/obesity-induced-decreases-in-muscle-performance-are-not-reversed-by-weight-loss
#14
F Seebacher, J Tallis, K McShea, R S James
BACKGROUND/OBJECTIVES: Obesity can affect muscle phenotypes, and may thereby constrain movement and energy expenditure. Weight loss is a common and intuitive intervention for obesity, but it is not known whether the effects of obesity on muscle function are reversible by weight loss. Here we tested whether obesity-induced changes in muscle metabolic and contractile phenotypes are reversible by weight loss. SUBJECTS/METHODS: We used zebrafish (Danio rerio) in a factorial design to compare energy metabolism, locomotor capacity, muscle isometric force and work-loop power output, and myosin heavy chain composition between lean fish, diet-induced obese fish, and fish that were obese and then returned to lean body mass following diet restriction...
March 24, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28336357/assessment-of-vestibulo-ocular-function-without-measuring-eye-movements
#15
Kara H Beaton, Michael Schubert, Mark Shelhamer
BACKGROUND: The vestibulo-ocular reflex (VOR) maintains stable gaze during head motion. Deficiencies lead to apparent world motion due to incomplete stabilization of eyes in space. VOR measurement requires specialized apparatus, trained operators, and significant setup time. NEW METHOD: We present a system (VON: vestibulo-ocular nulling) for rapid vestibulo-ocular assessment without measuring eye movements per se. VON uses a head-mounted motion sensor, laptop computer with user input control, and laser target whose position is controlled by the computer...
March 20, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28336349/decisional-capacity-for-advanced-care-directives-in-parkinson-s-disease-with-cognitive-concerns
#16
Muneer Abu Snineh, Richard Camicioli, Janis M Miyasaki
INTRODUCTION: Physician Orders for Life Sustaining Therapies (POLST) or Goals of Care (GOC) are legal documents to guide intensity of interventions (ICU, resuscitation, hospitalization or comfort care) completed by healthcare professionals following counseling of patients or their designated medical decision makers. Capacity (understanding, appreciation, reasoning and expressing a choice) to consent to POLST or GOC has not been determined among Parkinson's disease (PD) patients. We sought to assess GOC PD decisional capacity for those with cognitive complaints but not dementia...
March 8, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28336323/m1-muscarinic-activation-induces-long-lasting-increase-in-intrinsic-excitability-of-striatal-projection-neurons
#17
Xiaohui Lv, Jonathan W Dickerson, Jerri M Rook, Craig W Lindsley, P Jeffrey Conn, Zixiu Xiang
The dorsolateral striatum is critically involved in movement control and motor learning. Striatal function is regulated by a variety of neuromodulators including acetylcholine. Previous studies have shown that cholinergic activation excites striatal principal projection neurons, medium spiny neurons (MSNs), and this action is mediated by muscarinic acetylcholine subtype 1 receptors (M1) through modulating multiple potassium channels. In the present study, we used electrophysiology techniques in conjunction with optogenetic and pharmacological tools to determine the long-term effects of striatal cholinergic activation on MSN intrinsic excitability...
March 20, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28335325/nanoscale-electric-characteristics-and-oriented-assembly-of-halobacterium-salinarum-membrane-revealed-by-electric-force-microscopy
#18
Denghua Li, Yibing Wang, Huiwen Du, Shiwei Xu, Zhemin Li, Yanlian Yang, Chen Wang
Purple membranes (PM) of the bacteria Halobacterium salinarum are a unique natural membrane where bacteriorhodopsin (BR) can convert photon energy and pump protons. Elucidating the electronic properties of biomembranes is critical for revealing biological mechanisms and developing new devices. We report here the electric properties of PMs studied by using multi-functional electric force microscopy (EFM) at the nanoscale. The topography, surface potential, and dielectric capacity of PMs were imaged and quantitatively measured in parallel...
November 2, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335024/impaired-dual-tasking-in-parkinson-s-disease-is-associated-with-reduced-focusing-of-cortico-striatal-activity
#19
Freek Nieuwhof, Bastiaan R Bloem, Miriam F Reelick, Esther Aarts, Inbal Maidan, Anat Mirelman, Jeffrey M Hausdorff, Ivan Toni, Rick C Helmich
Impaired dual tasking, namely the inability to concurrently perform a cognitive and a motor task (e.g. 'stops walking while talking'), is a largely unexplained and frequent symptom of Parkinson's disease. Here we consider two circuit-level accounts of how striatal dopamine depletion might lead to impaired dual tasking in patients with Parkinson's disease. First, the loss of segregation between striatal territories induced by dopamine depletion may lead to dysfunctional overlaps between the motor and cognitive processes usually implemented in parallel cortico-striatal circuits...
March 17, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334865/structure-of-human-pofut1-its-requirement-in-ligand-independent-oncogenic-notch-signaling-and-functional-effects-of-dowling-degos-mutations
#20
Brian J McMillan, Brandon Zimmerman, Emily D Egan, Michael Lofgren, Xiang Xu, Anthony Hesser, Stephen C Blacklow
Protein O-fucosyltransferase-1 (POFUT1), which transfers fucose residues to acceptor sites on serine and threonine residues of epidermal growth factor-like repeats of recipient proteins, is essential for Notch signal transduction in mammals. Here, we examine the consequences of POFUT1 loss on the oncogenic signaling associated with certain leukemia-associated mutations of human Notch1, report the structures of human POFUT1 in free and GDP-fucose bound states, and assess the effects of Dowling-Degos mutations on human POFUT1 function...
March 17, 2017: Glycobiology
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