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https://www.readbyqxmd.com/read/28921722/interactive-effects-of-music-tempi-and-intensities-on-grip-strength-and-subjective-affect
#1
Costas I Karageorghis, Peter Cheek, Stuart D Simpson, Marcelo Bigliassi
Pretask music is widely used by athletes albeit there is scant empirical evidence to support its use. The present study extended a line of work into pretask music by examining the interactive effects of music tempo and intensity (volume) on the performance of a simple motor skill and subjective affect. A 2 × 2 within-subjects factorial design was employed with an additional no-music control, the scores from which were used as a covariate. A sample of 52 male athletes (age = 26.1 ± 4.8 years) was exposed to five conditions: fast/loud (126 bpm/80 dBA), fast/quiet (126 bpm/70 dBA), slow/loud (87 bpm/80 dBA), slow/quiet (87 bpm/70 dBA) music, and a no-music control...
September 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28919494/shoulder-injury-in-water-polo-a-systematic-review-of-incidence-and-intrinsic-risk-factors
#2
REVIEW
Andrea H Miller, Kerrie Evans, Roger Adams, Gordon Waddington, Jeremy Witchalls
OBJECTIVES: Water polo is a popular water-based contact sport that involves swimming, throwing and defending. Cumulatively, these repetitive overhead activities are thought to increase the risk of shoulder injury and, subsequently to affect players' physical conditioning as well as team performance. The purpose of this review was to examine available evidence relating to shoulder injury rates and risk factors for shoulder injury in water polo. DESIGN: Systematic review METHODS: CINAHL, AUSPORT, Pubmed, Pedro and SPORTDiscus databases were searched for original research papers using the predefined terms ("water polo") AND (shoulder OR glenohumeral* OR arm OR "upper limb")...
August 31, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28918660/factors-associated-with-radiographic-trapeziometacarpal-arthrosis-in-patients-not-seeking-care-for-this-condition
#3
Suzanne C Wilkens, Matthew A Tarabochia, David Ring, Neal C Chen
BACKGROUND: A common adage among hand surgeons is that the symptoms of trapeziometacarpal (TMC) arthrosis vary among patients independent of the radiographic severity. We studied factors associated with radiographic severity of TMC arthrosis, thumb pain, thumb-specific disability, pinch strength, and grip strength in patients not seeking care for TMC arthrosis. Our primary null hypothesis was that there are no factors independently associated with radiographic severity of TMC arthrosis according to the Eaton classification among patients not seeking care for TMC arthrosis...
September 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28918171/the-association-between-delirium-and-sarcopenia-in-older-adult-patients-admitted-to-acute-geriatrics-units-results-from-the-glisten-multicenter-observational-study
#4
Giuseppe Bellelli, Antonella Zambon, Stefano Volpato, Pasquale Abete, Lara Bianchi, Mario Bo, Antonio Cherubini, Francesco Corica, Mauro Di Bari, Marcello Maggio, Giovanna Maria Manca, Maria Rosaria Rizzo, Andrea Rossi, Francesco Landi
BACKGROUND & AIMS: To date, studies assessing the relationship between sarcopenia and delirium, two of the most common geriatric syndromes, are lacking. We sought to explore this association by investigating the co-occurrence of these two conditions and the independent association between them in a population of hospitalized older adults. METHODS: Cross-sectional multicenter analysis of older adults consecutively admitted to 12 acute geriatric units (AGUs). Sarcopenia was assessed upon admission by evaluating the presence of low skeletal mass index (kg/m(2)), and either low handgrip strength or low walking speed (European Working Group on Sarcopenia in Older People, EWGSOP criteria)...
September 5, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28917939/preparation-and-characterization-of-gelatin-%C3%AE-tcp-sf-biocomposite-scaffold-for-bone-tissue-regeneration
#5
JunTae Huh, JiUn Lee, WonJin Kim, Miji Yeo, GeunHyung Kim
In this study, we suggest a new biocomposite scaffold composed of gelatin/α-TCP (tricalcium phosphate)/SF (silk-fibroin) (GTS) which has enhanced mechanical strength and high level of cellular activity. To fabricate GTS scaffold, a temperature-controlled 3D printing process was used and appropriate printing conditions were selected based on rheological data. To show the feasibility as a biomedical scaffold for bone tissue regeneration, the various physical and biological results, using MG63 (osteoblast-like cells), of the GTS scaffold were compared with those of a pure gelatin (G) and gelatin/α-TCP (GT) composite scaffold...
September 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28917870/ultra-high-pressure-modified-cellulosic-fibres-with-antimicrobial-properties
#6
Ana M Salgueiro, Mauro D Santos, Jorge A Saraiva, Filipe Almeida, Isabel Sousa, João Tedim, Helena I S Nogueira, Dmitry V Evtuguin
In this work bleached E. globulus kraft pulp was doped with polyhexamethylene biguanide (PHMB) from an aqueous solution or from a suspension of silica capsules (PHMB@silica) by impregnation under atmospheric or ultra-high pressure (UHP) conditions (500MPa). The antimicrobial properties of pulps were evaluated towards gram-negative E. coli and gram-positive L. innocua bacteria. PHMB loads below 500mg per kg of pulp revealed negligible bacteriostatic properties, whereas PHMB loads of ca 3000-4000mg per kg demonstrated bactericidal properties of pulp without significant deterioration of its mechanical strength...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917749/trace-determination-of-volatile-polycyclic-aromatic-hydrocarbons-in-natural-waters-by-magnetic-ionic-liquid-based-stir-bar-dispersive-liquid-microextraction
#7
Juan L Benedé, Jared L Anderson, Alberto Chisvert
In this work, a novel hybrid approach called stir bar dispersive liquid microextraction (SBDLME) that combines the advantages of stir bar sorptive extraction (SBSE) and dispersive liquid-liquid microextraction (DLLME) has been employed for the accurate and sensitive determination of ten polycyclic aromatic hydrocarbons (PAHs) in natural water samples. The extraction is carried out using a neodymium stir bar magnetically coated with a magnetic ionic liquid (MIL) as extraction device, in such a way that the MIL is dispersed into the solution at high stirring rates...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917116/thermal-and-photo-induced-degradation-of-perfluorinated-carboxylic-acids-kinetics-and-mechanism
#8
Jiaoqin Liu, Ruijuan Qu, Zunyao Wang, Itza Mendoza-Sanchez, Virender K Sharma
Perfluorinated carboxylic acids (PFCAs) of different carbon chain lengths are chemicals of concern to human health and their removal, using conventional remediation technologies, is challenging. The present paper pursuits thermal and photo-induced degradation of PFCAs (F(CF2)nCOOH, n = 1-9) under various concentrations of four different acids (HNO3, H2SO4, HCl, and H3PO4) covering a range of strong acidic to basic pH. For thermal-induced experiments, the temperature was set at 40 °C, 60 °C, and 80 °C at acid strengths of 0...
September 6, 2017: Water Research
https://www.readbyqxmd.com/read/28916883/different-post-processing-conditions-for-3d-bioprinted-%C3%AE-tricalcium-phosphate-scaffolds
#9
Liciane Sabadin Bertol, Rodrigo Schabbach, Luis Alberto Loureiro Dos Santos
The development of 3D printing hardware, software and materials has enabled the production of bone substitute scaffolds for tissue engineering. Calcium phosphates cements, such as those based on α-tricalcium phosphate (α-TCP), have recognized properties of osteoinductivity, osteoconductivity and resorbability and can be used to 3D print scaffolds to support and induce tissue formation and be replaced by natural bone. At present, however, the mechanical properties found for 3D printed bone scaffolds are only satisfactory for non-load bearing applications...
September 15, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28915841/is-there-room-for-resilience-a-scoping-review-and-critique-of-substance-use-literature-and-its-utilization-of-the-concept-of-resilience
#10
REVIEW
Katherine Rudzinski, Peggy McDonough, Rosemary Gartner, Carol Strike
Research in the area of illicit substance use remains preoccupied with describing and analyzing the risks of people who use drugs (PWUD), however more recently there has been a drive to use a strengths-based or resilience approach as an alternative to investigating drug use. This leads us to ask: what can be known about PWUD from the point of view of resilience? The objective of this scoping review is to analyze how the concept of resilience is defined, operationalized, and applied in substance use research...
September 15, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/28914445/the-prevalence-of-mental-health-disorders-and-symptoms-in-children-and-adolescents-with-cerebral-palsy-a-systematic-review-and-meta-analysis
#11
REVIEW
Jenny Downs, Amanda Marie Blackmore, Amy Epstein, Rachel Skoss, Katherine Langdon, Peter Jacoby, Andrew J O Whitehouse, Helen Leonard, Peter W Rowe, Emma J Glasson
AIM: Mental health conditions and problems are often reported in children and adolescents with cerebral palsy (CP). A systematic review was undertaken to describe their prevalence. METHOD: MEDLINE and PsycINFO databases from 1996 to 2016 were searched and reference lists of selected studies were reviewed. Studies were included if they reported point prevalence of mental health diagnoses or symptoms in a general population of children and/or adolescents with CP. Pooled prevalence for mental health symptoms was determined using a random effects meta-analysis...
September 15, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28914301/addressing-the-distribution-of-proteins-spotted-on-%C3%AE-pads
#12
Laura McCann, Tomás E Benavidez, Sarah Holtsclaw, Carlos D Garcia
Adsorption is the most common approach to immobilize biorecognition elements on the surface of paper-based devices. Adsorption is also the route selected to coat the substrate with albumin, therefore minimizing the interaction of other proteins. While similar in nature, the structure of the selected proteins as well as the conditions selected from the immobilization have a significant effect on the amount and distribution of the resulting composites. To illustrate these differences and provide general guidelines to efficiently prepare these devices, this article explores the interaction (adsorption and desorption) of BSA with 3MM chromatography paper...
September 15, 2017: Analyst
https://www.readbyqxmd.com/read/28913839/long-term-stability-of-a-compounded-suspension-of-torsemide-5-mg-ml-for-oral-administration
#13
D Adin, P R Johnson, C H Kim, T Nguyenba, S Rosen
BACKGROUND: Torsemide use for congestive heart failure (CHF) has been reported, but prescription frequency is unknown. Commercially available tablet sizes in North America limit dosing precision, indicating a need to evaluate its strength and stability in suspension. OBJECTIVES: To determine the frequency of torsemide prescriptions and to determine a beyond use date (BUD) of a compounded suspension of torsemide for oral administration stored under 2 temperature conditions for 90 days...
September 15, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28912651/manual-resistance-versus-conventional-resistance-training-impact-on-strength-and-muscular-endurance-in-recreationally-trained-men
#14
Iván Chulvi-Medrano, Tamara Rial, Juan M Cortell-Tormo, Yasser Alakhdar, Caue V La Scala Teixeira, Laura Masiá-Tortosa, Sandor Dorgo
Manual resistance training (MRT) has been widely used in the field of physical therapy. It has also been used as a strength training method due to the accommodating resistance nature of this modality. The aim of the present study was to compare the effects of an 8-week MRT program on maximum strength and muscular endurance in comparison to conventional resistance training in recreationally trained men. Twenty healthy recreationally trained male subjects were recruited and divided into a MRT training group and a conventional training (CT) group...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28912569/two-dimensional-dirac-particles-in-a-p%C3%A3-schl-teller-waveguide
#15
R R Hartmann, M E Portnoi
We obtain exact solutions to the two-dimensional (2D) Dirac equation for the one-dimensional Pöschl-Teller potential which contains an asymmetry term. The eigenfunctions are expressed in terms of Heun confluent functions, while the eigenvalues are determined via the solutions of a simple transcendental equation. For the symmetric case, the eigenfunctions of the supercritical states are expressed as spheroidal wave functions, and approximate analytical expressions are obtained for the corresponding eigenvalues...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28911269/applicability-of-two-dimensional-surface-model-in-bacterial-biosorption-system-an-advanced-approach-in-bioremediation-of-metal-ions
#16
Vishal Mishra
The surface of Bacillus VMSDCM accession no. HQ108109 has been characterized at various pH values of the experimental solution. The boundary values of conditional parameter were used to develop a mathematical six lumped stochastic model for studying the surface chemistry of the bacterium cells. The results of the model were statistically analyzed to understand the strength of the proposed model. The simulation of the model was performed in Turbo C++ interface. The convergence values of the model were recorded and all the asymptotic points were neglected...
September 15, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28906348/effect-of-anodal-transcranial-direct-current-stimulation-of-the-motor-cortex-on-elbow-flexor-muscle-strength-in-the-very-old
#17
Kentaro Oki, Leatha A Clark, Shinichi Amano, Brian C Clark
BACKGROUND AND PURPOSE: Muscle weakness predisposes older adults to a fourfold increase in functional limitations and has previously been associated with reduced motor cortex excitability in aging adults. The purpose of this study was to determine whether a single session of anodal transcranial direct current stimulation (tDCS) of the motor cortex would increase elbow flexion muscle strength and electromyographic (EMG) amplitude in very old individuals. METHODS: Eleven very old individuals-85...
September 12, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28905268/fluid-and-biomechanical-analysis-of-ascending-thoracic-aorta-aneurysm-with-concomitant-aortic-insufficiency
#18
F Condemi, S Campisi, M Viallon, T Troalen, G Xuexin, A J Barker, M Markl, P Croisille, O Trabelsi, C Cavinato, A Duprey, S Avril
We present a comprehensive and original framework for the biomechanical analysis of patients affected by ascending thoracic aorta aneurysm and aortic insufficiency. Our aim is to obtain crucial indications about the role played by deranged hemodynamics on the ATAAs risk of rupture. Computational fluid dynamics analysis was performed using patient-specific geometries and boundary conditions derived from 4D MRI. Blood flow helicity and wall shear stress descriptors were assessed. A bulge inflation test was carried out in vitro on the 4 ATAAs after surgical repair...
September 13, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28902141/the-impacts-of-heating-strategy-on-soil-moisture-estimation-using-actively-heated-fiber-optics
#19
Jianzhi Dong, Rosa Agliata, Susan Steele-Dunne, Olivier Hoes, Thom Bogaard, Roberto Greco, Nick van de Giesen
Several recent studies have highlighted the potential of Actively Heated Fiber Optics (AHFO) for high resolution soil moisture mapping. In AHFO, the soil moisture can be calculated from the cumulative temperature ( T cum ), the maximum temperature ( T max ), or the soil thermal conductivity determined from the cooling phase after heating ( λ ). This study investigates the performance of the T cum , T max and λ methods for different heating strategies, i.e., differences in the duration and input power of the applied heat pulse...
September 13, 2017: Sensors
https://www.readbyqxmd.com/read/28902108/effects-of-two-different-self-adapted-occlusal-splints-on-electromyographic-and-force-parameters-during-elbow-flexors-isometric-contraction
#20
Eloisa Limonta, Chiara Arienti, Susanna Rampichini, Massimo Venturelli, Emiliano Cè, Arsenio Veicsteinas, Fabio Esposito
The study was aimed at determining the acute effects of two types of occlusal splints on maximum isometric strength and fatigue of the elbow flexors muscles. The hypothesis was that splint-induced masticatory muscle repositioning might improve primary muscles recruitment by stretching masticatory muscles especially with the thicker splint.On nine physically active volunteers with no temporo-mandibular joint and masticatory muscles disorders, we assessed maximum voluntary contraction (MVC) of the elbow flexors with diurnal (OSD, 1-mm thick) and sport (OSSP, 3-mm thick) splints, and without splint (control, Ctrl)...
September 6, 2017: Journal of Strength and Conditioning Research
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