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https://www.readbyqxmd.com/read/28731981/technology-in-strength-and-conditioning-assessing-bodyweight-squat-technique-with-wearable-sensors
#1
Martin A OʼReilly, Darragh F Whelan, Tomas E Ward, Eamonn Delahunt, Brian M Caulfield
O'Reilly, MA, Whelan, DF, Ward, TE, Delahunt, E, and Caulfield, BM. Technology in strength and conditioning: assessing bodyweight squat technique with wearable sensors. J Strength Cond Res 31(8): 2303-2312, 2017-Strength and conditioning (S&C) coaches offer expert guidance to help those they work with achieve their personal fitness goals. However, it is not always practical to operate under the direct supervision of an S&C coach and consequently individuals are often left training without expert oversight. Recent developments in inertial measurement units (IMUs) and mobile computing platforms have allowed for the possibility of unobtrusive motion tracking systems and the provision of real-time individualized feedback regarding exercise performance...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28731549/development-and-validation-of-the-dietetic-confidence-scale-for-working-with-clients-experiencing-psychological-issues
#2
Kerryn Buttenshaw, Susan Ash, Jane Shakespeare-Finch
AIM: A standardised tool was needed to measure a generalist dietitian's confidence about working with clients experiencing psychological issues in order to effectively evaluate mental health-related professional development activities. The aim of this study was to develop, pilot and validate a robust instrument that measures a generalist dietitian's professional confidence for working with clients experiencing psychological issues. METHODS: The Dietetic Confidence Scale (DCS) was developed...
February 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28731285/plant-infection-by-two-different-viruses-induce-contrasting-changes-of-vectors-fitness-and-behavior
#3
Quentin Chesnais, Aude Couty, Maryline Uzest, Véronique Brault, Arnaud Ameline
Insect-vectored plant viruses can induce changes in plant phenotypes, thus influencing plant-vector interactions in a way that may promote their dispersal according to their mode of transmission (i.e. circulative vs. non-circulative). This indirect vector manipulation requires host-virus-vector co-evolution and would thus be effective solely in very specific plant-virus-vector species associations. Some studies suggest this manipulation may depend on multiple factors relative to various intrinsic characteristics of vectors such as transmission efficiency...
July 21, 2017: Insect Science
https://www.readbyqxmd.com/read/28730920/validity-of-a-device-designed-to-measure-braking-power-in-bicycle-disc-brakes
#4
Matthew C Miller, Philip W Fink, Paul William Macdermid, Blake G Perry, Stephen R Stannard
Real-world cycling performance depends not only on exercise capacities, but also on efficiently traversing the bicycle through the terrain. The aim of this study was to determine if it was possible to quantify the braking done by a cyclist in the field. One cyclist performed 408 braking trials (348 on a flat road; 60 on a flat dirt path) over 5 days on a bicycle fitted with brake torque and angular velocity sensors to measure brake power. Based on Newtonian physics, the sum of brake work, aerodynamic drag and rolling resistance was compared with the change in kinetic energy in each braking event...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28728790/a-mechanistic-damage-model-for-ligaments
#5
Jeff M Barrett, Jack P Callaghan
PURPOSE: The accuracy of biomechanical models is predicated on the realism by which they represent their biomechanical tissues. Unfortunately, most models use phenomenological ligament models that neglect the behaviour in the failure region. Therefore, the purpose of this investigation was to test whether a mechanistic model of ligamentous tissue portrays behaviour representative of actual ligament failure tests. MODEL: The model tracks the time-evolution of a population of collagen fibres in a theoretical ligament...
July 11, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28728584/professionals-perception-of-intimate-partner-violence-in-young-people-a-qualitative-study-in-northern-spain
#6
Amaia Maquibar, Carmen Vives-Cases, Anna-Karin Hurtig, Isabel Goicolea
BACKGROUND: Intimate partner violence (IPV) is a public health problem with devastating effects on young women's health. These negative effects increase when the exposure to IPV lasts for a long time and exposure at an early age increases the risk of adult IPV. Despite efforts made in the last few decades, data show little progress has been made towards its reduction. Thus, the aim of the study reported here is to explore professionals' perceptions regarding intimate partner violence (IPV) among young people, focusing on the characteristics of the phenomenon and their perceptions about existing programmes and campaigns aimed at addressing it...
July 20, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28728578/development-of-an-optimised-key-worker-framework-for-people-with-dementia-their-family-and-caring-unit-living-in-the-community
#7
Emma Renehan, Dianne Goeman, Susan Koch
BACKGROUND: In Australia, dementia is a national health priority. With the rising number of people living with dementia and shortage of formal and informal carers predicted in the near future, developing approaches to coordinating services in quality-focused ways is considered an urgent priority. Key worker support models are one approach that have been used to assist people living with dementia and their caring unit coordinate services and navigate service systems; however, there is limited literature outlining comprehensive frameworks for the implementation of community dementia key worker roles in practice...
July 20, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28726696/a-novel-freeze-protection-strategy-for-shallow-buried-sewer-pipes-temperature-modelling-and-field-investigation
#8
Youen Pericault, Mikael Risberg, Mattias Vesterlund, Maria Viklander, Annelie Hedström
The burial of sewer and water pipes below the maximum ground frost depth can be very costly and laborious in regions with cold winters. If a freeze protection measure is applied, the utility lines can be installed in a shallower trench to reduce the excavation needs. One freeze protection measure, so called heat tracing, consists of supplying heat along the pipes. In this work, the use of 4th generation district heating as a heat tracing solution was investigated at a pilot site in Kiruna, Sweden. The influence of the system on sewer and water pipe temperatures was studied at a snow-free and snow-covered cross section...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28726572/successful-forearm-prosthesis-fitting-in-a-patient-with-epidermolysis-bullosa-dystrophica-case-report
#9
Carl Verduyn, Marie-Anne Morren, Marguerite Stas, Friedl Sinnaeve, Katarina Segers, Carlotte Kiekens
BACKGROUND: Epidermolysis bullosa dystrophica is a rare dermatological disease characterized by extreme skin fragility and elevated risk of developing a squamous cell carcinoma. In some cases, amputation of a limb is necessary. Case description and methods: A 37-year-old man with recessive, severe generalized epidermolysis bullosa dystrophica developed a squamous cell carcinoma on the right forearm requiring a below-elbow amputation. Preoperative advice concerning indication and level of amputation was given...
July 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28726552/on-the-sources-of-forgetting-in-working-memory-the-test-of-competing-hypotheses
#10
Pierre Barrouillet, Kim Uittenhove, Annalisa Lucidi, Naomi Langerock
Whether forgetting from working memory (WM) is only due to interference or is also caused by temporal decay is still a matter of debate. In the present study, this question was examined using complex span tasks in which each memory item was followed by a series of processing episodes, the duration and number of which were varied. It is known that recall performance in these tasks depends on the cognitive load (CL) of concurrent processing conceived as the ratio between processing time and free time, higher CL resulting in lower spans...
July 20, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28726480/from-efficacy-to-effectiveness-to-broad-implementation-evolution-of-the-body-project
#11
Carolyn B Becker, Eric Stice
OBJECTIVE: At the turn of the millennium, eating disorders (EDs) prevention was largely nonexistent. No program had reduced future onset of EDs in even a single trial, and most had not reduced ED symptoms. Sixteen years later, the ED prevention field has translated basic risk factor research into interventions, with demonstrated efficacy and effectiveness in reducing ED risk factors and symptoms, as well as future ED onset in some trials. This article reviews the aforementioned progress focusing on a model intervention (i...
August 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28726028/should-we-all-be-scientists-re-thinking-laboratory-research-as-a-calling
#12
Louise Bezuidenhout, Nathaniel A Warne
In recent years there have been major shifts in how the role of science-and scientists-are understood. The critical examination of scientific expertise within the field of Science and Technology Studies (STS) are increasingly eroding notions of the "otherness" of scientists. It would seem to suggest that anyone can be a scientist-when provided with the appropriate training and access to data. In contrast, however, ethnographic evidence from the scientific community tells a different story. Scientists are quick to recognize that not everyone can-or should-be a scientist...
July 19, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28725549/performance-of-unscented-kalman-filter-tractography-in-edema-analysis-of-the-two-tensor-model
#13
Ruizhi Liao, Lipeng Ning, Zhenrui Chen, Laura Rigolo, Shun Gong, Ofer Pasternak, Alexandra J Golby, Yogesh Rathi, Lauren J O'Donnell
Diffusion MRI tractography is increasingly used in pre-operative neurosurgical planning to visualize critical fiber tracts. However, a major challenge for conventional tractography, especially in patients with brain tumors, is tracing fiber tracts that are affected by vasogenic edema, which increases water content in the tissue and lowers diffusion anisotropy. One strategy for improving fiber tracking is to use a tractography method that is more sensitive than the traditional single-tensor streamline tractography...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28725404/age-dependent-male-mating-tactics-in-a-spider-mite-a-life-history-perspective
#14
Yukie Sato, Peter T Rühr, Helmut Schmitz, Martijn Egas, Alexander Blanke
Males often fight with rival males for access to females. However, some males display nonfighting tactics such as sneaking, satellite behavior, or female mimicking. When these mating tactics comprise a conditional strategy, they are often thought to be explained by resource holding potential (RHP), that is, nonfighting tactics are displayed by less competitive males who are more likely to lose a fight. The alternative mating tactics, however, can also be explained by life-history theory, which predicts that young males avoid fighting, regardless of their RHP, if it pays off to wait for future reproduction...
October 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28724914/enhanced-learning-through-multimodal-training-evidence-from-a-comprehensive-cognitive-physical-fitness-and-neuroscience-intervention
#15
N Ward, E Paul, P Watson, G E Cooke, C H Hillman, N J Cohen, A F Kramer, A K Barbey
The potential impact of brain training methods for enhancing human cognition in healthy and clinical populations has motivated increasing public interest and scientific scrutiny. At issue is the merits of intervention modalities, such as computer-based cognitive training, physical exercise training, and non-invasive brain stimulation, and whether such interventions synergistically enhance cognition. To investigate this issue, we conducted a comprehensive 4-month randomized controlled trial in which 318 healthy, young adults were enrolled in one of five interventions: (1) Computer-based cognitive training on six adaptive tests of executive function; (2) Cognitive and physical exercise training; (3) Cognitive training combined with non-invasive brain stimulation and physical exercise training; (4) Active control training in adaptive visual search and change detection tasks; and (5) Passive control...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722421/capillary-rise-validity-of-the-dynamic-contact-angle-models
#16
Pingkeng Wu, Alex D Nikolov, Darsh T Wasan
The classical Lucas-Washburn-Rideal (LWR) equation, using the equilibrium contact angle, predicts a faster capillary rise process than experiments in many cases. The major contributor to the faster prediction is believed to be the velocity dependent dynamic contact angle. In this work, we investigated the dynamic contact angle models for their ability to correct the dynamic contact angle effect in the capillary rise process. We conducted capillary rise experiments of various wetting liquids in borosilicate glass capillaries and compared the model predictions with our experimental data...
July 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28721492/peristaltic-like-motion-of-the-human-fetal-right-ventricle-and-its-effects-on-fluid-dynamics-and-energy-dynamics
#17
Hadi Wiputra, Guat Ling Lim, Khong Chun Chua, R Nivetha, Sanah Merchant Soomar, Arijit Biwas, Citra Nurfarah Zaini Mattar, Hwa Liang Leo, Choon Hwai Yap
In both adult human and canine, the cardiac right ventricle (RV) is known to exhibit a peristaltic-like motion, where RV sinus (inflow region) contracts first and the infundibulum (outflow region) later, in a wave-like contraction motion. The delay in contraction between the sinus and infundibulum averaged at 15% of the cardiac cycle and was estimated to produce an intra-ventricular pressure difference of 15 mmHg. However, whether such a contractile motion occurs in human fetuses as well, its effects on hemodynamics remains unknown, and are the subject of the current study...
July 18, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28720897/a-predictive-mathematical-modeling-approach-for-the-study-of-doxorubicin-treatment-in-triple-negative-breast-cancer
#18
Matthew T McKenna, Jared A Weis, Stephanie L Barnes, Darren R Tyson, Michael I Miga, Vito Quaranta, Thomas E Yankeelov
Doxorubicin forms the basis of chemotherapy regimens for several malignancies, including triple negative breast cancer (TNBC). Here, we present a coupled experimental/modeling approach to establish an in vitro pharmacokinetic/pharmacodynamic model to describe how the concentration and duration of doxorubicin therapy shape subsequent cell population dynamics. This work features a series of longitudinal fluorescence microscopy experiments that characterize (1) doxorubicin uptake dynamics in a panel of TNBC cell lines, and (2) cell population response to doxorubicin over 30 days...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720808/preparation-of-polydopamine-coated-graphene-oxide-fe3o4-imprinted-nanoparticles-for-selective-removal-of-fluoroquinolone-antibiotics-in-water
#19
Feng Tan, Min Liu, Suyu Ren
Antibiotics in water have recently caused increasing concerns for public health and ecological environments. In this work, we demonstrated polydopamine-coated graphene oxide/Fe3O4 (PDA@GO/Fe3O4) imprinted nanoparticles coupled with magnetic separation for fast and selective removal of fluoroquinolone antibiotics in water. The nanoparticles were prepared by the self-polymerization of dopamine using sarafloxacin as a template. The imprinted PDA film of 10~20 nm uniformly covered the surface of GO/Fe3O4 providing selective binding sites...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720536/a-diffusing-wave-spectroscopy-study-of-pharmaceutical-emulsions-for-physical-stability-assessment
#20
Andreas Niederquell, Alexandra H E Machado, Martin Kuentz
Emulsions are broadly used in pharmaceutics either as intermediate products or as final dosage forms. Such disperse systems are only kinetically stabilized and therefore early detection of physical instability is highly desirable. This work employed diffusing wave spectroscopy (DWS) to study a series of model emulsions that were categorized, based on their composition, as either "simple" or "complex". DWS data were compared with results of droplet size imaging, apparent viscosity obtained by microfluidics, and near-infrared (NIR) analytical centrifugation...
July 15, 2017: International Journal of Pharmaceutics
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