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journal of strength and conditioning

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https://www.readbyqxmd.com/read/27880023/effect-of-cyclic-fatigue-tests-on-aging-and-their-translational-implications-for-survival-of-all-ceramic-tooth-borne-single-crowns-and-fixed-dental-prostheses
#1
REVIEW
Mutlu Özcan, Moritz Jonasch
PURPOSE: The objective of this systematic review was to elaborate the aging effect of cyclic fatigue tests on mechanical durability of all-ceramic single crowns and fixed dental prostheses (FDP). MATERIALS AND METHODS: Original scientific papers published in the MEDLINE (PubMed) database in English between 01/01/1950 and 12/31/2013 on cyclic loading on all-ceramics were included in this systematic review. The following MeSH terms, search terms, and their combinations were used: "in vitro," "stress mechanical," "crowns," "denture, partial, fixed," "dentistry," "fatigue," "all-ceramic," "zirconia," "fixed dental prosthesis," "FDP," "bridges," and "cyclic loading...
November 23, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27849484/the-benefits-of-high-intensity-functional-training-fitness-programs-for-military-personnel
#2
Christopher K Haddock, Walker S C Poston, Katie M Heinrich, Sara A Jahnke, Nattinee Jitnarin
INTRODUCTION: High intensity functional training (HIFT) programs are designed to address multiple fitness domains, potentially providing improved physical and mental readiness in a changing operational environment. Programs consistent with HIFT principals such as CrossFit, SEALFIT and the US Marine Corps' High Intensity Tactical Training (HITT) are increasingly popular among military personnel. The goal of HIFT programs is to produce high levels of cardiorespiratory fitness, endurance and strength that exceed those achieved by following current physical activity recommendations...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27809925/guided-self-help-interventions-for-mental-health-disorders-in-children-with-neurological-conditions-study-protocol-for-a-pilot-randomised-controlled-trial
#3
Sophie Bennett, Isobel Heyman, Anna Coughtrey, Jess Simmonds, Sophia Varadkar, Terence Stephenson, Margaret DeJong, Roz Shafran
BACKGROUND: Rates of mental health disorders are significantly greater in children with physical illnesses than in physically well children. Children with neurological conditions, such as epilepsy, are known to have particularly high rates of mental health disorders. Despite this, mental health problems in children with neurological conditions have remained under-recognised and under-treated in clinical settings. Evidence-based guided self-help interventions are efficacious in reducing symptoms of mental health disorders in children, but their efficacy in reducing symptoms of common mental health disorders in children with neurological conditions has not been investigated...
November 4, 2016: Trials
https://www.readbyqxmd.com/read/27808149/editorial-reflux-and-laryngeal-symptoms-a-sea-of-confusion
#4
Michael F Vaezi
Chronic laryngeal symptoms are often attributed to gastroesophageal reflux disease based on nonspecific testing by laryngoscopy resulting in overdiagnosis of this condition. Identifying optimal means by which we can diagnose reflux in patients with chronic laryngeal symptoms is an unmet clinical area. One such technique might be measurement of oropharyngeal acid exposure employing a novel pH monitoring device. We outline the strengths and limitations of this new technology relative to the observational cohort study by Yadlapti et al...
November 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27669180/reliability-and-accuracy-of-a-standardized-shallow-water-running-test-to-determine-cardiorespiratory-fitness
#5
Elizabeth F Nagle, Mary E Sanders, Bethany B Gibbs, Barry A Franklin, Jacquelyn A Nagle, Philip J Prins, Caleb D Johnson, Robert J Robertson
A standardized fitness assessment is critical for the development of an individualized exercise prescription. Although the benefits of aquatic exercise have been well established, there remains the need for a standardized non-swimming protocol to accurately assess cardiorespiratory fitness (CRF) in shallow water. The present investigation was designed to assess: 1) reliability of a standardized Shallow Water Run (SWR) test of CRF; and 2) accuracy of a standardized SWR compared with a land-based treadmill test (LTM)...
September 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27629557/singing-as-an-adjunct-therapy-for-children-and-adults-with-cystic-fibrosis
#6
J Yoon Irons, Peter Petocz, Dianna Theadora Kenny, Anne B Chang
BACKGROUND: Cystic fibrosis is a genetically inherited, life-threatening condition that affects major organs. The management of cystic fibrosis involves a multi-faceted daily treatment regimen that includes airway clearance techniques, pancreatic enzymes and other medications. Previous studies have found that compliance with this intensive treatment is poor, especially among adolescents. Because of both the nature and consequences of the illness and the relentless demands of the treatment, many individuals with cystic fibrosis have a poor quality of life...
September 15, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27600672/shp1-ing-thymic-selection
#7
Nicholas R J Gascoigne, Joanna Brzostek, Monika Mehta, Oreste Acuto
Thymocyte development and maintenance of peripheral T-cell numbers and functions are critically dependent on T-cell receptor (TCR) signal strength. SHP1 (Src homology region 2 domain-containing phosphatase-1), a tyrosine phosphatase, acts as a negative regulator of TCR signal strength. Moreover, germline SHP1 knockout mice have shown impaired thymic development. However, this has been recently questioned by an analysis of SHP1 conditional knockout mice, which reported normal thymic development of SHP1 deficient thymocytes...
September 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27494293/effects-of-dispersal-and-selection-on-stochastic-assembly-in-microbial-communities
#8
Sarah Evans, Jennifer B H Martiny, Steven D Allison
Stochastic processes can play an important role in microbial community assembly. Dispersal limitation is one process that can increase stochasticity and obscure relationships between environmental variables and microbial community composition, but the relationship between dispersal, selection and stochasticity has not been described in a comprehensive way. We examine how dispersal and its interactions with drift and selection alter the consistency with which microbial communities assemble using a realistic, individual-based model of microbial decomposers...
August 5, 2016: ISME Journal
https://www.readbyqxmd.com/read/27428115/speech-therapy-for-children-with-dysarthria-acquired-before-three-years-of-age
#9
REVIEW
Lindsay Pennington, Naomi K Parker, Helen Kelly, Nick Miller
BACKGROUND: Children with motor impairments often have the motor speech disorder dysarthria, a condition which effects the tone, strength and co-ordination of any or all of the muscles used for speech. Resulting speech difficulties can range from mild, with slightly slurred articulation and breathy voice, to profound, with an inability to produce any recognisable words. Children with dysarthria are often prescribed communication aids to supplement their natural forms of communication...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27404187/antiretroviral-drugs-for-treatment-and-prevention-of-hiv-infection-in-adults-2016-recommendations-of-the-international-antiviral-society-usa-panel
#10
Huldrych F Günthard, Michael S Saag, Constance A Benson, Carlos del Rio, Joseph J Eron, Joel E Gallant, Jennifer F Hoy, Michael J Mugavero, Paul E Sax, Melanie A Thompson, Rajesh T Gandhi, Raphael J Landovitz, Davey M Smith, Donna M Jacobsen, Paul A Volberding
IMPORTANCE: New data and therapeutic options warrant updated recommendations for the use of antiretroviral drugs (ARVs) to treat or to prevent HIV infection in adults. OBJECTIVE: To provide updated recommendations for the use of antiretroviral therapy in adults (aged ≥18 years) with established HIV infection, including when to start treatment, initial regimens, and changing regimens, along with recommendations for using ARVs for preventing HIV among those at risk, including preexposure and postexposure prophylaxis...
July 12, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27334280/factors-that-influence-the-performance-of-elite-sprint-cross-country-skiers
#11
Kim Hébert-Losier, Christoph Zinner, Simon Platt, Thomas Stöggl, Hans-Christer Holmberg
BACKGROUND: Sprint events in cross-country skiing are unique not only with respect to their length (0.8-1.8 km), but also in involving four high-intensity heats of ~3 min in duration, separated by a relatively short recovery period (15-60 min). OBJECTIVE: Our aim was to systematically review the scientific literature to identify factors related to the performance of elite sprint cross-country skiers. METHODS: Four electronic databases were searched using relevant medical subject headings and keywords, as were reference lists, relevant journals, and key authors in the field...
June 22, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27167668/financial-impact-of-sarcopenia-on-hospitalization-costs
#12
A S Sousa, R S Guerra, I Fonseca, F Pichel, S Ferreira, T F Amaral
BACKGROUND/OBJECTIVES: This study aims to increase knowledge regarding the association of sarcopenia with hospitalization costs among a wide-ranging sample of adult hospitalized patients. SUBJECTS/METHODS: A prospective study was conducted among hospitalized adult patients. Sarcopenia was identified according to the European Working Group on Sarcopenia in Older People, as low muscle mass, assessed by bioelectrical impedance analysis and low muscle function evaluated by handgrip strength...
September 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/26935862/optimization-of-an-air-liquid-interface-exposure-system-for-assessing-toxicity-of-airborne-nanoparticles
#13
Siiri Latvala, Jonas Hedberg, Lennart Möller, Inger Odnevall Wallinder, Hanna L Karlsson, Karine Elihn
The use of refined toxicological methods is currently needed for characterizing the risks of airborne nanoparticles (NPs) to human health. To mimic pulmonary exposure, we have developed an air-liquid interface (ALI) exposure system for direct deposition of airborne NPs on to lung cell cultures. Compared to traditional submerged systems, this allows more realistic exposure conditions for characterizing toxicological effects induced by airborne NPs. The purpose of this study was to investigate how the deposition of silver NPs (AgNPs) is affected by different conditions of the ALI system...
October 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/26898903/probing-of-minipeg%C3%AE-pna-dna-hybrid-duplex-stability-with-afm-force-spectroscopy
#14
Samrat Dutta, Bruce A Armitage, Yuri L Lyubchenko
Peptide nucleic acids (PNA) are synthetic polymers, the neutral peptide backbone of which provides elevated stability to PNA-PNA and PNA-DNA hybrid duplexes. It was demonstrated that incorporation of diethylene glycol (miniPEG) at the γ position of the peptide backbone increased the thermal stability of the hybrid duplexes (Sahu, B. et al. J. Org. Chem. 2011, 76, 5614-5627). Here, we applied atomic force microscopy (AFM) based single molecule force spectroscopy and dynamic force spectroscopy (DFS) to test the strength and stability of the hybrid 10 bp duplex...
March 15, 2016: Biochemistry
https://www.readbyqxmd.com/read/26685692/effects-of-gastrocnemius-recession-on-ankle-motion-strength-and-functional-outcomes-a-systematic-review-and-national-healthcare-database-analysis
#15
REVIEW
Arianna Gianakos, Youichi Yasui, Christopher D Murawski, John G Kennedy
PURPOSE: The purpose of this systematic review was to report the effects of gastrocnemius recession on ankle dorsiflexion range of motion, function, and push-off power. METHODS: The MEDLINE and EMBASE databases were reviewed with terms "gastrocnemius recession". The inclusion criteria were: (1) clinical studies, (2) published in a peer-reviewed journal within the past 10 years, and (3) published in English. Excluded were: (1) review articles, (2) cadaveric studies, (3) studies including patients under the age of 18 years, (4) studies evaluating a neurologic condition, (5) level of evidence 5, and (6) Quality of Evidence Score <3...
April 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/26647567/-effect-of-preoperative-cyclooxygenase-2-inhibitor-for-postoperative-pain-in-patients-after-total-knee-arthroplasty-a-meta-analysis
#16
Zhong-wei Ji, Ni-rong Bao, Jian-ning Zhao, Jian-fa Ni
OBJECTIVE: To systematically evaluate the efficacy and safety of preoperative administration of cyclooxygenase-2 (COX-2) inhibitor on pain occurring with total knee arthroplasty (TKA). METHODS: We electronically searched PubMed, Cochrane Library, EMBASE, CNKI, CBM, Wanfang data from inception to March 15, 2014 and manual searched journal of library collection to identify randomized controlled trials (RCTs) about preoperative administration of COX-2 inhibitor on pain occurring with TKA...
September 2015: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/26534749/allergies-and-suicidal-behaviors-a-systematic-literature-review
#17
REVIEW
Kairi Kõlves, Emma Barker, Diego De Leo
BACKGROUND: Allergies are among the most common chronic conditions. In addition to physical and social impacts, a number of studies have consistently linked allergies to poor psychological outcomes, including depression and anxiety. OBJECTIVES: The aim of the present systematic literature review was to analyze the existing literature about the relationship between allergies and fatal and nonfatal suicidal behaviors. METHODS: Data sources include articles retrieved from Scopus, PubMed, ProQuest, and Web of Knowledge...
November 2015: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/26423456/does-superficial-fat-affect-metabolite-concentrations-determined-by-mr-spectroscopy-with-water-referencing
#18
S P Kyathanahally, N D Fichtner, V Adalid, R Kreis
It has recently been reported in this journal that local fat depots produce a sizable frequency-dependent signal attenuation in magnetic resonance spectroscopy (MRS) of the brain. If of a general nature, this effect would question the use of internal reference signals for quantification of MRS and the quantitative use of MRS as a whole. Here, it was attempted to verify this effect and pinpoint the potential causes by acquiring data with various acquisition settings, including two field strengths, two MR scanners from different vendors, different water suppression sequences, RF coils, localization sequences, echo times, and lipid/metabolite phantoms...
November 2015: NMR in Biomedicine
https://www.readbyqxmd.com/read/26405832/food-availability-affects-the-strength-of-mutualistic-host-microbiota-interactions-in-daphnia-magna
#19
Martijn Callens, Emilie Macke, Koenraad Muylaert, Peter Bossier, Bart Lievens, Michael Waud, Ellen Decaestecker
The symbiotic gut microbial community is generally known to have a strong impact on the fitness of its host. Nevertheless, it is less clear how the impact of symbiotic interactions on the hosts' fitness varies according to environmental circumstances such as changes in the diet. This study aims to get a better understanding of host-microbiota interactions under different levels of food availability. We conducted experiments with the invertebrate, experimental model organism Daphnia magna and compared growth, survival and reproduction of conventionalized symbiotic Daphnia with germ-free individuals given varying quantities of food...
April 2016: ISME Journal
https://www.readbyqxmd.com/read/26378003/a-systematic-review-of-the-effect-of-cognitive-strategies-on-strength-performance
#20
REVIEW
David Tod, Christian Edwards, Mike McGuigan, Geoff Lovell
BACKGROUND: Researchers have tested the beliefs of sportspeople and sports medicine specialists that cognitive strategies influence strength performance. Few investigators have synthesised the literature. OBJECTIVES: The specific objectives were to review evidence regarding (a) the cognitive strategy-strength performance relationship; (b) participant skill level as a moderator; and (c) cognitive, motivational, biomechanical/physiological, and emotional mediators...
November 2015: Sports Medicine
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