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https://www.readbyqxmd.com/read/28813956/semi-autonomous-mobility-assistance-for-power-wheelchair-users-navigating-crowded-environments
#1
Daniel Ashley, Kyle Ashley, Redwan Alqasemi, Rajiv Dubey
Power wheelchair users suffering from cognitive or physical impairment often face difficulties in maneuvering their wheelchairs through crowded environments. Currently, users need to be continuously aware of all traffic around them to actively avoid all collisions. This is an especially difficult task since many wheelchair users are unable to accurately view or perceive their surroundings. Additionally, imprecise joystick control, slowed reaction time, or imperfect interpretation of the environment can lead to unintended collisions with objects in the environment...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813907/position-and-stiffness-modulation-of-a-wrist-haptic-device-using-myoelectric-interface
#2
Chris Wilson Antuvan, Lorenzo Masia
Modulation of stiffness provides a great deal of advantage in the way humans interact with the environment, and is very important in successfully performing activities of daily living. In the context of human-machine interactions, stiffness control could provide a safer interaction, especially when dealing with unpredictable environment. In this paper we propose a user-modulated stiffness and position control for the wrist flexion/extension degree of freedom while physically coupled to a haptic device. A virtual position tracking experiment in a varying external force field is designed in order to test the performance of the control strategy with and without co-contraction techniques...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28810980/risk-factors-for-rhabdomyolysis-in-the-u-s-army
#3
Owen T Hill, Dennis E Scofield, Jenna Usedom, Lakmini Bulathsinhala, Craig McKinnon, Paul Kwon, Timothy Haley, Robert Carter
The standardized mortality rate of rhabdomyolysis (RM) in Active Duty U.S. Army Soldiers is considerably higher than in the civilian population. RM occurs when large amounts of intracellular contents from damaged skeletal muscle escape into circulation, leading to serious sequelae (e.g., acute renal failure, hyperkalemia, compartment syndrome). Extended physical exertion, especially in hot environments, and trauma can precipitate RM. The aim of this study was to identify RM risk factors among U.S. Active Duty Army (ADA) Soldiers...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810105/increased-activity-in-unstructured-versus-structured-gym-time-in-an-after-school-program
#4
Matthew A McDougall, Rachel Schaeffer, Richard Holm, Bonny Specker
BACKGROUND: More than 10 million American youth engage in after-school programs that provide an opportunity to increase physical activity. The purpose of this study was to test the hypothesis that children in unstructured gym time (free) would have greater activity than both structured gym time (structured) and when increased screen time was available. METHODS: Three interventions were compared in a nested design, with each two-week intervention preceded and followed by a two-week control period...
December 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28809754/associations-of-built-environment-and-children-s-physical-activity-a-narrative-review
#5
Houshmand E Masoumi
PROBLEM: Childhood obesity has been an epidemic particularly in high-income countries. There is a considerable volume of data and studies depicting the rising number of obese children and adolescents in different countries. As suggested by the literature, physical inactivity is one the main drivers of childhood obesity. This paper addresses the associations of the built environment with physical activity of children in order to find to theoretically facilitate intervention and prevention measures...
August 15, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28809663/promoting-physical-activity-and-nutrition-in-people-with-stroke
#6
Ryan R Bailey
The prevalence of cardiovascular disease, diabetes, and obesity is high in people with stroke. Risk factors for these conditions include hypertension, high cholesterol, and physical inactivity. These risk factors are common in people with stroke and often go unmanaged. Engagement in healthy behaviors is important for managing and preventing these risk factors and comorbid conditions. More specifically, physical activity and nutrition are key health behaviors for the management and maintenance of health in people with stroke...
September 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28806940/evaluation-of-the-implementation-of-an-intervention-to-improve-the-street-environment-and-promote-walking-for-transport-in-deprived-neighbourhoods
#7
Emma J Adams, Nick Cavill, Lauren B Sherar
BACKGROUND: Levels of physical activity remain low, particularly in deprived areas. Improving the street environment to promote walking for transport using a community engagement approach is a potential strategy to increase physical activity. An understanding of the implementation of this intervention approach is needed to facilitate further research, replication and scale-up. The aim of this study was to evaluate the implementation of the Fitter for Walking (FFW) intervention in deprived neighbourhoods...
August 14, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28803437/geographic-variation-in-chinese-children-forced-vital-capacity-and-its-association-with-long-term-exposure-to-local-pm10-a-national-cross-sectional-study
#8
Hai-Jun Wang, Qin Li, Yuming Guo, Jie-Yun Song, Zhiqiang Wang, Jun Ma
The purpose of this study was to estimate the association between Chinese children's forced vital capacity (FVC) and particulate matter with aerodynamic diameter ≤10 μm (PM10). The FVC data of 71,763 children aged 7 to 18 was collected from 2010 Chinese National Survey on Students' Construction and Health (CNSSCH). The local annual average concentration of PM10, relative humidity, ambient temperature, and other air pollutant data of 30 cities was collected from China Meteorological Administration and Ministry of Environment Protection of China...
August 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28800067/a-randomized-crossover-trial-on-acute-stress-related-physiological-responses-to-mountain-hiking
#9
Martin Niedermeier, Carina Grafetstätter, Arnulf Hartl, Martin Kopp
Green exercise, defined as physical activity in natural environments, might have positive effects on stress-related physiological measures. Little is known about the acute effects of green exercise bouts lasting longer than 60 min. Therefore, the aim of the present study was to analyze the acute effects of a three-hour green exercise intervention (mountain hiking) on stress-related physiological responses. Using a randomized crossover design, 42 healthy participants were exposed to three different conditions in a field-based experiment: outdoor mountain hiking, indoor treadmill walking, and sedentary control condition (three hours each)...
August 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28798760/striking-the-right-chord-signaling-enigma-during-root-gravitropism
#10
REVIEW
Manjul Singh, Aditi Gupta, Ashverya Laxmi
Plants being sessile can often be judged as passive acceptors of their environment. However, plants are actually even more active in responding to the factors from their surroundings. Plants do not have eyes, ears or vestibular system like animals, still they "know" which way is up and which way is down? This is facilitated by receptor molecules within plant which perceive changes in internal and external conditions such as light, touch, obstacles; and initiate signaling pathways that enable the plant to react...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28798368/global-temporal-dynamic-landscape-of-pathogen-mediated-subversion-of-arabidopsis-innate-immunity
#11
Bharat Mishra, Yali Sun, Hadia Ahmed, Xiaoyu Liu, M Shahid Mukhtar
The universal nature of networks' structural and physical properties across diverse systems offers a better prospect to elucidate the interplay between a system and its environment. In the last decade, several large-scale transcriptome and interactome studies were conducted to understand the complex and dynamic nature of interactions between Arabidopsis and its bacterial pathogen, Pseudomonas syringae pv. tomato DC3000. We took advantage of these publicly available datasets and performed "-omics"-based integrative, and network topology analyses to decipher the transcriptional and protein-protein interaction activities of effector targets...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28796823/assessment-of-photocatalytic-potentiality-and-determination-of-ecotoxicity-using-plant-model-for-better-environmental-applicability-of-synthesized-copper-copper-oxide-and-copper-doped-zinc-oxide-nanoparticles
#12
Debadrito Das, Animesh Kumar Datta, Divya Vishambhar Kumbhakar, Bapi Ghosh, Ankita Pramanik, Sudha Gupta, Aninda Mandal
NPS SYNTHESIS, CHARACTERIZATION AND AZO-DYE DEGRADATION: A facile cost effective wet chemical method of synthesis is proposed for Cu-NPs, CuO-NPs and Cu-doped ZnO-NPs. The nanomaterials are opto-physically characterized for nano standard quality. Cu-doped ZnO-NPs based catalytic system is found to possess most efficient photocatalytic activity in degradation of two organic azo-dyes namely methyl red (MR) and malachite green (MG) that are released as industrial effluents in eco-environment intercollegium...
2017: PloS One
https://www.readbyqxmd.com/read/28792740/selective-removal-of-nitrosamines-from-a-model-amine-carbon-capture-waterwash-using-low-cost-activated-carbon-sorbents
#13
Leland R Widger, Megan Combs, Amit R Lohe, Cameron A Lippert, Jesse G Thompson, Kunlei Liu
Nitrosamines generated in the amine solvent loop of post combustion carbon capture systems are potent carcinogens, and their emission could pose a serious threat to the environment or human health. Nitrosamine emission control strategies are critical for the success of amine-based carbon capture as the technology approaches industrial-scale deployment. Waterwash systems have been used to control volatile and aerosol emissions, including nitrosamines, from carbon capture plants, but it is still necessary to remove or destroy nitrosamines in the circulating waterwash to prevent their subsequent emission into the environment...
August 9, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28792485/operational-details-of-the-five-domains-model-and-its-key-applications-to-the-assessment-and-management-of-animal-welfare
#14
REVIEW
David J Mellor
In accord with contemporary animal welfare science understanding, the Five Domains Model has a significant focus on subjective experiences, known as affects, which collectively contribute to an animal's overall welfare state. Operationally, the focus of the Model is on the presence or absence of various internal physical/functional states and external circumstances that give rise to welfare-relevant negative and/or positive mental experiences, i.e., affects. The internal states and external circumstances of animals are evaluated systematically by referring to each of the first four domains of the Model, designated "Nutrition", "Environment", "Health" and "Behaviour"...
August 9, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28789574/correlates-of-social-support-and-its-association-with-physical-activity-among-young-adolescents
#15
Monique Gill, Alec M Chan-Golston, Lindsay N Rice, Sarah E Roth, Catherine M Crespi, Brian L Cole, Deborah Koniak-Griffin, Michael L Prelip
BACKGROUND: A substantial proportion of adolescents, particularly girls and minority youth, fail to meet daily physical activity (PA) recommendations. Social support contributes to adolescent PA, but studies examining this relationship have yielded inconsistent results and rarely focus on diverse, urban populations. AIMS: This study examines the correlates of support for PA from family and friends and its relationship with PA outcomes among young adolescents. METHODS: Data were collected in a cross-sectional survey of 4,773 middle school students...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28783060/a-diagnostic-post-occupancy-evaluation-of-the-nacadia%C3%A2-therapy-garden
#16
Ulrik Sidenius, Patrik Karlsson Nyed, Victoria Linn Lygum, Ulrika K Stigsdotter
The design of the Nacadia® therapy garden is based on a model for evidence-based health design in landscape architecture (EBHDL). One element of the model is a diagnostic post-occupancy evaluation (DPOE), which has not previously been fully developed. The present study develops a generic DPOE for therapy gardens, with a focus on studying the effects of the design on patients' health outcomes. This is done in order to identify successes and failures in the design. By means of a triangulation approach, the DPOE employs a mixture of methods, and data is interpreted corroborating...
August 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28782729/glacial-seismology
#17
Richard Aster, Paul Winberry
Seismic source and wave propagation studies contribute to understanding structure, transport, fracture mechanics, mass balance, and other processes within glaciers and their surrounding environments. Glaciogenic seismic waves readily couple with the bulk Earth, and can be recorded by seismographs deployed at local to global ranges. Although the fracturing, ablating, melting, and/or highly irregular environment of active glaciers can be highly unstable and hazardous, informative seismic measurements can commonly be made at stable proximal ice or rock sites...
August 7, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28778036/healthy-urban-living-residential-environment-and-health-of-older-adults-in-shanghai
#18
Yafei Liu, Martin Dijst, Jan Faber, Stan Geertman, Can Cui
A healthy residential environment, especially for older adults, has emerged as an important issue on political and planning agenda in China. This paper aims to investigate the direct and indirect impact of residential environment on the health of older adults in Shanghai, taking into account health-related behaviours, subjective well-being and socio-demographic factors in one comprehensive conceptual model. Our results show that the residential environment is associated with older adults' health directly, and also indirectly through a series of significant behavioural (physical and social activities) and perceptual (subjective well-being) factors...
August 1, 2017: Health & Place
https://www.readbyqxmd.com/read/28776604/the-role-of-diet-physical-activity-body-fatness-and-breastfeeding-in-breast-cancer-in-young-women-epidemiological-evidence
#19
I Isabelle Romieu, A Amadou, V Chajes
The incidence of breast cancer (BC) is rising worldwide, with an increase in aggressive neoplasias in young women. Traditionally, BC in young women has been thought to be etiologically driven, primarily by genetic/hereditary factors. However, these factors explain only a small proportion of BCs, pointing to a role of the environment. Suspected factors responsible for this increase include lifestyle changes, notably alcohol consumption, diet with high intake of refined carbohydrates and saturated fat and low intake of polyunsaturated fatty acids (PUFA), fiber and vitamins (such as folate, vitamin D, and carotenoids), low physical activity, and body fatness, all of which may act from childhood and adolescent years through adulthood...
July 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28774504/what-can-be-learned-from-existing-investigations-of-weight-related-practices-and-policies-with-the-potential-to-impact-disparities-in-us-child-care-settings-a-narrative-review-and-call-for-surveillance-and-evaluation-efforts
#20
Nicole Larson, Anna Ayers Looby, Natasha Frost, Marilyn S Nanney, Mary Story
Child-care settings and the combination of policies and regulations under which they operate may reduce or perpetuate disparities in weight-related health, depending on the environmental supports they provide for healthy eating and activity. The objectives of this review are to summarize research on state and local policies germane to weight-related health equity among young children in the United States and on how federal policies and regulations may provide supports for child-care providers serving families with the most limited resources...
August 1, 2017: Journal of the Academy of Nutrition and Dietetics
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