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https://www.readbyqxmd.com/read/29149040/a-coap-based-network-access-authentication-service-for-low-power-wide-area-networks-lo-coap-eap
#1
Dan Garcia-Carrillo, Rafael Marin-Lopez, Arunprabhu Kandasamy, Alexander Pelov
The Internet-of-Things (IoT) landscape is expanding with new radio technologies. In addition to the Low-Rate Wireless Personal Area Network (LR-WPAN), the recent set of technologies conforming the so-called Low-Power Wide Area Networks (LP-WAN) offers long-range communications, allowing one to send small pieces of information at a reduced energy cost, which promotes the creation of new IoT applications and services. However, LP-WAN technologies pose new challenges since they have strong limitations in the available bandwidth...
November 17, 2017: Sensors
https://www.readbyqxmd.com/read/29140914/sequencing-effects-of-neuromuscular-training-on-physical-fitness-in-youth-elite-tennis-players
#2
Jaime Fernandez-Fernandez, Urs Granacher, David Sanz-Rivas, Jose Manuel Sarabia Marín, Jose Luis Hernandez-Davo, Manuel Moya
Fernandez-Fernandez, J, Granacher, U, Sanz-Rivas, D, Sarabia Marín, JM, Hernandez-Davo, JL, and Moya, M. Sequencing effects of neuromuscular training on physical fitness in youth elite tennis players. J Strength Cond Res XX(X): 000-000, 2017-The aim of this study was to analyze the effects of a 5-week neuromuscular training (NMT) implemented before or after a tennis session in prepubertal players on selected components of physical fitness. Sixteen elite and well-trained tennis players with a mean age of 12...
November 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29140180/the-role-of-lumbopelvic-hip-complex-stability-in-softball-throwing-mechanics
#3
Gabrielle G Gilmer, Jessica K Washington, Jeffrey Dugas, James Andrews, Gretchen D Oliver
CONTEXT: Studies have found that a 20% reduction in energy generation from the lumbopelvic-hip complex (LPHC) during overhead throws leads to a 34% increase in load on the shoulder. OBJECTIVE: The purpose of this study was to assess the effects of LPHC stability, via the single leg squat (SLS) assessment, on throwing mechanics of softball athletes. DESIGN: Prospective cohort study. SETTING: Laboratory setting. PARTICIPANTS: Fifty softball athletes (164...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29135565/pediatric-and-adolescent-anterior-shoulder-instability-clinical-management-of-first-time-dislocators
#4
Kenneth M Lin, Evan W James, Elad Spitzer, Peter D Fabricant
PURPOSE OF REVIEW: The purpose of this review is to discuss the epidemiology, pathoanatomy, diagnosis, and clinical management of pediatric and adolescent patients following a first-time shoulder dislocation. RECENT FINDINGS: Shoulder instability is becoming increasingly common as pediatric and adolescent patients engage in earlier organized sports competition. Recommended treatment following a first-time glenohumeral dislocation event in adolescents depends on several factors, but surgical stabilization is becoming more frequently performed...
November 11, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29132791/in%C3%A2-vitro-kinematic-assessment-of-a-hinged-elbow-orthosis-following-lateral-collateral-ligament-injury
#5
Ranita H Manocha, Graham J W King, James A Johnson
PURPOSE: Elbow lateral collateral ligament injuries (LCLI) are often managed with protected mobilization using a hinged elbow orthosis (HEO). The objective of this investigation was to determine the effectiveness of an HEO in stabilizing the elbow following LCLI. METHODS: Seven fresh-frozen cadaveric upper extremity specimens were studied using a custom simulator that enabled elbow motion via computer-controlled actuators and servomotors attached to relevant tendons...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29125689/resource-utilization-and-cost-of-influenza-requiring-hospitalization-in-canadian-adults-a-study-from-the-serious-outcomes-surveillance-network-of-the-canadian-immunization-research-network
#6
Carita Ng, Lingyun Ye, Stephen G Noorduyn, Margaret Hux, Edward Thommes, Ron Goeree, Ardith Ambrose, Melissa K Andrew, Todd Hatchette, Guy Boivin, William Bowie, May ElSherif, Karen Green, Jennie Johnstone, Kevin Katz, Jason Leblanc, Mark Loeb, Donna MacKinnon-Cameron, Anne McCarthy, Janet McElhaney, Allison McGeer, Andre Poirier, Jeff Powis, David Richardson, Rohita Sharma, Makeda Semret, Stephanie Smith, Daniel Smyth, Grant Stiver, Sylvie Trottier, Louis Valiquette, Duncan Webster, Shelly A McNeil
BACKGROUND: Consideration of cost determinants is crucial to inform delivery of public vaccination programs. OBJECTIVES: To estimate the average total cost of laboratory-confirmed influenza requiring hospitalization in Canadians prior to, during, and 30 days following discharge. To analyze effects of patient/disease characteristics, treatment, and regional differences in costs. METHODS: Study utilized previously recorded clinical characteristics, resource use, and outcomes of laboratory-confirmed influenza patients admitted to hospitals in the Serious Outcomes Surveillance (SOS), Canadian Immunization Research Network (CIRN), from 2010/11 - 2012/13...
November 10, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29119106/iterative-schemes-to-solve-low-dimensional-calibration-equations-in-parallel-mr-image-reconstruction-with-grappa
#7
Omair Inam, Mahmood Qureshi, Shahzad A Malik, Hammad Omer
GRAPPA (Generalized Autocalibrating Partially Parallel Acquisition) is a widely used parallel MRI reconstruction technique. The processing of data from multichannel receiver coils may increase the storage and computational requirements of GRAPPA reconstruction. Random projection on GRAPPA (RP-GRAPPA) uses random projection (RP) method to overcome the computational overheads of solving large linear equations in the calibration phase of GRAPPA, saving reconstruction time. However, RP-GRAPPA compromises the reconstruction accuracy in case of large reductions in the dimensions of calibration equations...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29117604/-in-depth-analysis-of-cost-structure-for-electroconvulsive-therapy-in-a-performance-based-hospital-budget
#8
Fritz-Georg Lehnhardt, Ines Dohle, Alexander Sartorius, Michael Grözinger
Objective New medical guideline recommendations for the treatment of major depressive disorders and regulative changes in the payment system of the German mental health care system warrant a revision of the framework in which electroconvulsive therapies (ECT) are offered. Methods A cost structure analysis of the clinical resources essential for the ECT procedure was conducted and economically validated, exemplified at a German inpatient ECT treatment center. Results The identification of directly attributable costs to the ECT intervention presupposes an accurate assessment of personnel engagement time and material consumption as well as an inclusion of overhead costs for the operational readiness of the hospital...
November 8, 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/29117100/feature-selection-for-motor-imagery-eeg-classification-based-on-firefly-algorithm-and-learning-automata
#9
Aiming Liu, Kun Chen, Quan Liu, Qingsong Ai, Yi Xie, Anqi Chen
Motor Imagery (MI) electroencephalography (EEG) is widely studied for its non-invasiveness, easy availability, portability, and high temporal resolution. As for MI EEG signal processing, the high dimensions of features represent a research challenge. It is necessary to eliminate redundant features, which not only create an additional overhead of managing the space complexity, but also might include outliers, thereby reducing classification accuracy. The firefly algorithm (FA) can adaptively select the best subset of features, and improve classification accuracy...
November 8, 2017: Sensors
https://www.readbyqxmd.com/read/29117014/what-s-new-in-pediatric-upper-extremity-sports-injuries
#10
Jennifer J Beck, Connor G Richmond, Marc A Tompkins, Ann Heyer, Kevin G Shea, Aristides I Cruz
BACKGROUND: Sports injuries are common in pediatric and adolescent patients and the evaluation and treatment of these injuries continues to evolve. The purpose of this review is to provide a comprehensive appraisal of the most recent literature, highlighting updates on sports-related upper extremity injuries in pediatric patients. METHODS: An electronic search of the PubMed, EMBASE, and Google Scholar databases was performed for keywords related to pediatric overhead athletes, osteochondritis dissecans (OCD) of the capitellum, medial epicondyle fractures, shoulder instability, and clavicle fractures...
November 7, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29114336/physical-exam-and-evaluation-of-the-unstable-shoulder
#11
María Valencia Mora, Miguel Ángel Ruiz Ibán, Jorge Diaz Heredia, Juan Carlos Gutiérrez-Gómez, Raquel Ruiz Diaz, Mikel Aramberri, Carlos Cobiella
Background: The clinical evaluation of the patient with shoulder instability can be challenging. The pathological spectrum ranges from the straightforward "recurrent anterior dislocation" patient to the overhead athlete with a painful shoulder but not clear instability episodes. Advances in shoulder arthroscopy and imaging have helped in understanding the anatomy and physiopathology of the symptoms. The aim of this general article is to summarize the main examination manoeuvres that could be included in an overall approach to a patient with a suspicion of instability...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29104714/a-hybrid-task-graph-scheduler-for-high-performance-image-processing-workflows
#12
Timothy Blattner, Walid Keyrouz, Shuvra S Bhattacharyya, Milton Halem, Mary Brady
Designing applications for scalability is key to improving their performance in hybrid and cluster computing. Scheduling code to utilize parallelism is difficult, particularly when dealing with data dependencies, memory management, data motion, and processor occupancy. The Hybrid Task Graph Scheduler (HTGS) improves programmer productivity when implementing hybrid workflows for multi-core and multi-GPU systems. The Hybrid Task Graph Scheduler (HTGS) is an abstract execution model, framework, and API that increases programmer productivity when implementing hybrid workflows for such systems...
December 2017: Journal of Signal Processing Systems
https://www.readbyqxmd.com/read/29095934/authorship-attribution-of-source-code-by-using-back-propagation-neural-network-based-on-particle-swarm-optimization
#13
Xinyu Yang, Guoai Xu, Qi Li, Yanhui Guo, Miao Zhang
Authorship attribution is to identify the most likely author of a given sample among a set of candidate known authors. It can be not only applied to discover the original author of plain text, such as novels, blogs, emails, posts etc., but also used to identify source code programmers. Authorship attribution of source code is required in diverse applications, ranging from malicious code tracking to solving authorship dispute or software plagiarism detection. This paper aims to propose a new method to identify the programmer of Java source code samples with a higher accuracy...
2017: PloS One
https://www.readbyqxmd.com/read/29094284/predictive-value-of-the-fear-avoidance-model-on-functional-capacity-evaluation
#14
Johanne Tüscher, Cyrille Burrus, Philippe Vuistiner, Bertrand Léger, Gilles Rivier, François Luthi
Purpose Measuring the predictive value of the Fear-Avoidance Model (FAM) on lifting tasks in Functional Capacity Evaluation (FCE), and on reasons for stopping the evaluation (safe maximal effort, versus self-limited). Methods A monocentric prospective study was conducted on 298 consecutive inpatients. Components of the FAM were analyzed using the Cumulative Psychosocial Factor Index (CPFI: kinesiophobia, catastrophizing, depressive mood) and perceived disability (Hand/Spinal Function Sort: HFS/SFS). Floor-to-waist, waist-to-overhead and dominant-hand lifting tests were measured according to the FCE guidelines...
November 1, 2017: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/29081597/dependability-enhancing-mechanisms-for-integrated-clinical-environments
#15
Wenbing Zhao, Mary Q Yang
In this article, we present a set of lightweight mechanisms to enhance the dependability of a safety-critical real-time distributed system referred to as an integrated clinical environment (ICE). In an ICE, medical devices are interconnected and work together with the help of a supervisory computer system to enhance patient safety during clinical operations. Inevitably, there are strong dependability requirements on the ICE. We introduce a set of mechanisms that essentially make the supervisor component a trusted computing base, which can withstand common hardware failures and malicious attacks...
October 2017: Journal of Supercomputing
https://www.readbyqxmd.com/read/29077022/effects-of-creatine-supplementation-on-muscle-strength-and-optimal-individual-post-activation-potentiation-time-of-the-upper-body-in-canoeists
#16
Chia-Chi Wang, Shu-Cheng Lin, Shu-Ching Hsu, Ming-Ta Yang, Kuei-Hui Chan
Creatine supplementation reduces the impact of muscle fatigue on post-activation potentiation (PAP) of the lower body, but its effects on the upper body remain unknown. This study examined the effects of creatine supplementation on muscle strength, explosive power, and optimal individual PAP time of the upper body during a set of complex training bouts in canoeists. Seventeen male high school canoeists performed a bench row for one repetition at maximum strength and conducted complex training bouts to determine the optimal individual timing of PAP and distance of overhead medicine ball throw before and after the supplementation...
October 27, 2017: Nutrients
https://www.readbyqxmd.com/read/29073513/the-socially-evaluated-handgrip-test-introduction-of-a-novel-time-efficient-stress-protocol
#17
Johannes B Finke, Grit I Kalinowski, Mauro F Larra, Hartmut Schächinger
Most widely-used stress-induction procedures (such as the TSST and the Cold Pressor Test) require considerable effort and overhead in terms of preparation, logistics, and staff recruitment. Moreover, while known to reliably induce HPA axis activation, especially when combined with social self-threat, most conventional laboratory stressors cannot be flexibly adapted to elicit either a mainly autonomic or an additional endocrine stress response. Being a promising alternative approach, a new version of the isometric handgrip test enriched by a social-evaluative component was evaluated in the present study...
October 18, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29072139/nemoprofile-as-an-efficient-approach-to-network-motif-analysis-with-instance-collection
#18
Wooyoung Kim, Lynnette Haukap
BACKGROUND: A network motif is defined as a statistically significant and recurring subgraph pattern within a network. Most existing instance collection methods are not feasible due to high memory usage issues and provision of limited network motif information. They require a two-step process that requires network motif identification prior to instance collection. Due to the impracticality in obtaining motif instances, the significance of their contribution to problem solving is debated within the field of biology...
October 16, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29064306/sex-differences-in-patient-reported-poststroke-disability
#19
Brandi M White, Gayenell S Magwood, Suzanne Perea Burns, Charles Ellis
BACKGROUND: Recent studies have shown that stroke has a differential impact in women compared to men. Women are more likely to survive strokes than men, yet they experience more severe strokes resulting in greater poststroke disability. However, few studies have characterized sex differences in functional ability after stroke. This study examined sex differences in long-term disability among stroke survivors. METHODS: This was a retrospective analysis of the 2015 National Health Interview Survey...
October 24, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/29063165/simultaneous-analysis-of-aminoglycosides-with-many-other-classes-of-drug-residues-in-bovine-tissues-by-ultrahigh-performance-liquid-chromatography-tandem-mass-spectrometry-using-an-ion-pairing-reagent-added-to-final-extracts
#20
Steven J Lehotay, Alan R Lightfield
The way to maximize scope of analysis, sample throughput, and laboratory efficiency in the monitoring of veterinary drug residues in food animals is to determine as many analytes as possible as fast as possible in as few methods as possible. Capital and overhead expenses are also reduced by using fewer instruments in the overall monitoring scheme. Traditionally, the highly polar aminoglycoside antibiotics require different chromatographic conditions from other classes of drugs, but in this work, we demonstrate that an ion-pairing reagent (sodium 1-heptanesulfonate) added to the combined final extracts from two sample preparation methods attains good separation of 174 targeted drugs, including 9 aminoglycosides, in the same 10...
October 23, 2017: Analytical and Bioanalytical Chemistry
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