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https://www.readbyqxmd.com/read/28645018/take-over-performance-in-evasive-manoeuvres
#1
Riender Happee, Christian Gold, Jonas Radlmayr, Sebastian Hergeth, Klaus Bengler
We investigated after effects of automation in take-over scenarios in a high-end moving-base driving simulator. Drivers performed evasive manoeuvres encountering a blocked lane in highway driving. We compared the performance of drivers 1) during manual driving, 2) after automated driving with eyes on the road while performing the cognitively demanding n-back task, and 3) after automated driving with eyes off the road performing the visually demanding SuRT task. Both minimum time to collision (TTC) and minimum clearance towards the obstacle disclosed a substantial number of near miss events and are regarded as valuable surrogate safety metrics in evasive manoeuvres...
June 20, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28644193/heel-raised-foot-posture-do-not-affect-trunk-and-lower-extremity-biomechanics-during-a-barbell-back-squat-in-recreational-weightlifters
#2
Szu-Ping Lee, Carrie Gillis, Javier J Ibarra, Derek Oldroyd, Ryan Zane
It is claimed that weightlifting shoes with a raised heel may lead to a more upright trunk posture, and thus reduce the risk of back injuries during a barbell back squat. These proclaimed biomechanical effects have not been thoroughly investigated. The purpose of this study was to compare trunk and lower extremity biomechanics during barbell back squats in 3 foot postures.14 recreational weightlifters (7 male and 7 female) between the ages of 18-50 performed barbell back squats in 3 conditions (barefoot on a flat surface, barefoot on a heel-raised platform, and wearing heel-raised weightlifting shoes) at 80% of their 1-RM...
June 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28643048/association-of-gastrointestinal-events-with-quality-of-life-and-treatment-satisfaction-in-osteoporosis-patients-results-from-the-medication-use-patterns-treatment-satisfaction-and-inadequate-control-of-osteoporosis-study-music-os
#3
A Modi, S Sen, J D Adachi, S Adami, B Cortet, A L Cooper, P Geusens, D Mellström, J P Weaver, J P van den Bergh, P A Keown, S Sajjan
The purpose of this study was to assess the association of GI events with HRQoL and treatment satisfaction. The effect of baseline GI events persisted through 1 year of follow-up, as indicated by lower EQ-5D, OPAQ-SV, and treatment satisfaction scores among patients with vs without baseline GI events. The presence of GI events is an independent predictor of decreased HRQoL and treatment satisfaction in patients being treated for osteoporosis. INTRODUCTION: The goal of this study was to assess the association of gastrointestinal (GI) events with health-related quality of life (HRQoL) and treatment satisfaction in patients being treated for osteoporosis...
June 22, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28642180/obese-bmi-30-patients-have-greater-functional-improvement-and-reach-equivalent-outcomes-at-12-months-following-decompression-surgery-for-symptomatic-lumbar-stenosis
#4
Galal Elsayed, Matthew C Davis, Esther C Dupépé, Samuel G McCluggage, Paul Szerlip, Beverly C Walters, Mark N Hadley
OBJECTIVE: Here we evaluate the effect of obesity on 12-month functional outcomes following surgery for lumbar stenosis in an adult population. METHODS: Data were collected prospectively on patients treated with lumbar laminectomy for symptomatic lumbar spinal stenosis as part of an observational registry at a single institution from 2012 through 2014, and analyzed using a retrospective cohort study design. Patients with BMI>30 were compared to patients with BMI <30 with respect to baseline, 3-month, and 12-month functional status, adjusted for potential confounders...
June 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28642126/molecular-and-hydrodynamic-properties-of-human-epidermal-growth-factor-receptor-her2-extracellular-domain-and-its-homodimer-experiments-and-multi-scale-simulations
#5
J F Vega, J Ramos, V Cruz, E Vicente-Alique, E Sánchez-Sánchez, A Sánchez-Fernández, Y Wang, P Hu, J Cortés, J Martínez-Salazar
BACKGROUND: In a broad range of human carcinomas gene amplification leads to HER2 overexpression, which has been proposed to cause spontaneous dimerization and activation in the absence of ligand. This makes HER2 attractive as a therapeutic target. However, the HER2 homodimerization mechanism remains unexplored. It has been suggested that the "back-to-back" homodimer does not form in solution. Notwithstanding, very recently the crystal structure of the HER2 extracellular domain homodimer formed with a "back-to-head" interaction has been resolved...
June 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28641011/exploiting-one-dimensional-exciton-phonon-coupling-for-tunable-and-efficient-single-photon-generation-with-a-carbon-nanotube
#6
Adrien Jeantet, Yannick Chassagneux, Théo Claude, Philippe Roussignol, Jean-Sébastien Lauret, Jakob Reichel, Christophe Voisin
Condensed-matter emitters offer enriched cavity quantum electrodynamical effects due to the coupling to external degrees of freedom. In the case of carbon nanotubes a very peculiar coupling between localized excitons and the one-dimensional acoustic phonon modes can be achieved, which gives rise to pronounced phonon wings in the luminescence spectrum. By coupling an individual nanotube to a tunable optical micro-cavity, we show that this peculiar exciton-phonon coupling is a valuable resource to enlarge the tuning range of the single-photon source while keeping an excellent exciton-photon coupling efficiency and spectral purity...
June 22, 2017: Nano Letters
https://www.readbyqxmd.com/read/28640312/speciation-in-human-blood-of-metvan-a-vanadium-based-potential-anti-tumor-drug
#7
Daniele Sanna, Valeria Ugone, Giovanni Micera, Péter Buglyó, Linda Bíró, Eugenio Garribba
The first report on the anti-cancer activity of the compound Metvan, [V(IV)O(Me2phen)2(SO4)], where Me2phen is 4,7-dimethyl-1,10-phenanthroline, dates back to 2001. Although it was immediately identified as one of the most promising multitargeted anti-cancer V compounds, no development on the medical experimentation was carried out. One of the possible reasons is the lack of information on its speciation in aqueous solution and its thermodynamic stability, factors which influence the transport in the blood and the final form which reaches the target organs...
June 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28640085/familial-lumbar-scheuermann-disease-with-idiopathic-scoliosis-in-china-first-case-report
#8
Yuliang Dai, Yawei Li, Pengzhi Li, Lei Li, Zhiming Tu, Bing Wang
RATIONALE: Given that Scheuermann disease rarely occurs in the lumbar region and that the co-occurrence of Scheuermann disease and idiopathic scoliosis (IS) has not been reported-the etiology of Scheuermann disease and IS is not clear. In this case report, we present familaiar lumbar Scheuermann disease with IS, in a Chinese proband, who was successfully treated with surgery. PATIENT CONCERNS: A 16-year-old boy presented at the Second XiangYa Hospital of Central South University with a chief complaint of kyphotic deformity in the lower back for 4 years and obvious lower back pain...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639444/comparison-of-shuttle-and-straight-repeated-sprint-ability-tests-and-their-relationship-to-anthropometrics-and-explosive-muscular-performance-of-lower-limb-in-elite-handball-players
#9
Souhail Hermassi, René Schwesig, Rainer Wollny, Georg Fieseler, Roland van den Tillaar, Jaime Fernandez-Fernandez, Roy J Shephard, Mohamed S Chelly
BACKGROUND: This study assessed inter-relationships between shuttle and straight repeated-sprint ability tests and the relationship of each measure to anthropometric and explosive lower limb performance data in elite handball players. METHODS: Twenty-two elite male handball players (18.9 ± 0.2 years; body mass: 83.3 ± 1.1 kg, height: 1.79 ± 2.30 m, body fat: 12.8 ± 0.2%) completed tests that included a lower limb force-velocity test of peak power (Wpeak), jumping ability (squat and counter-movement jumps; SJ, CMJ), 1 repetition maximum (1-RM) half back squat, average sprint velocity over 5 m (V-5 m), peak velocity between 25-30 m (Vmax), and Yo-Yo Intermittent Recovery Test level 1 (Yo-Yo IR1), and anthropometric determinations of cross-sectional areas and muscle volumes for leg and thigh muscles...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28638840/epidemiology-of-injuries-in-stand-up-paddle-boarding
#10
James Furness, Olayinka Olorunnife, Ben Schram, Mike Climstein, Wayne Hing
BACKGROUND: Stand-up paddle boarding (SUP) is a recreational activity and sport that has grown exponentially, with participation increasing from 1.1 million in 2010 to 2.8 million in 2014 in the United States alone. Despite this growth in participation, SUP remains underresearched with regard to injury epidemiology. PURPOSE: To investigate injury epidemiology (severity, location, type, mechanism) in SUP. STUDY DESIGN: Descriptive epidemiology study...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28638331/monosynaptic-stretch-reflex-fails-to-explain-the-initial-postural-response-to-sudden-lateral-perturbations
#11
Andreas Mühlbeier, Christian Puta, Kim J Boström, Heiko Wagner
Postural reflexes are essential for locomotion and postural stability, and may play an important role in the etiology of chronic back pain. It has recently been theoretically predicted, and with the help of unilateral perturbations of the trunk experimentally confirmed that the sensorimotor control must lower the reflex amplitude for increasing reflex delays to maintain spinal stability. The underlying neuromuscular mechanism for the compensation of postural perturbations, however, is not yet fully understood...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28637597/effects-of-lower-body-quadrant-neural-mobilization-in-healthy-and-low-back-pain-populations-a-systematic-review-and-meta-analysis
#12
REVIEW
Tiago Neto, Sandro R Freitas, Marta Marques, Luis Gomes, Ricardo Andrade, Raúl Oliveira
BACKGROUND: Neural mobilization (NM) is widely used to assess and treat several neuromuscular disorders. However, information regarding the NM effects targeting the lower body quadrant is scarce. OBJECTIVES: To determine the effects of NM techniques targeting the lower body quadrant in healthy and low back pain (LBP) populations. DESIGN: Systematic review with meta-analysis. METHOD: Randomized controlled trials were included if any form of NM was applied to the lower body quadrant...
February 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28637036/differentiating-incident-from-recurrent-stroke-using-administrative-data-the-impact-of-varying-lengths-of-look-back-periods-on-the-risk-of-misclassification
#13
John Mark Worthington, Melina Gattellari, Chris Goumas, Bin Jalaludin
BACKGROUND/AIMS: Administrative data are widely used to monitor epidemiological trends in stroke and outcomes; yet there is scant empirical guidance on how to best differentiate incident from recurrent stroke. METHODS: We identified all hospital admissions in New South Wales, Australia, with a principal stroke diagnosis from July 1, 2013 to June 30, 2014, linked to 12 years of previous admissions. We calculated the proportion of cases identified with a prior stroke to determine the number of years of look-back required to minimise misclassification of incident and recurrent strokes...
June 22, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28636399/helium-accepts-back-donation-in-highly-polar-complexes-new-insights-into-the-weak-chemical-bond
#14
Francesca Nunzi, Diego Cesario, Fernando Pirani, Leonardo Belpassi, Gernot Frenking, Felice Grandinetti, Francesco Tarantelli
We studied the puzzling stability and short distances predicted by theory for helium adducts with some highly polar molecules, such as BeO or AuF. On the basis of high-level quantum-chemical calculations, we carried out a detailed analysis of the charge displacement occurring upon adduct formation. For the first time we have unambiguously ascertained that helium is able not only to donate electron density, but also, unexpectedly, to accept electron density in the formation of weakly bound adducts with highly polar substrates...
June 21, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28635533/the-burden-of-endometriosis-symptoms-on-health-related-quality-of-life-in-women-in-the-united-states-a-cross-sectional-study
#15
Ahmed M Soliman, Karin S Coyne, Erica Zaiser, Jane Castelli-Haley, Mahesh J Fuldeore
INTRODUCTION: To examine the symptomatic burden of endometriosis on health-related quality of life (HRQL) in women in the United States (US). METHODS: A cross sectional web-based survey study was conducted among women using survey panels. The survey included study-specific questions and standardized HRQL questionnaires. Participants reviewed a list of endometriosis symptoms and selected all symptoms they had ever or were currently experiencing. For current symptoms, participants rated the severity and bothersomeness of each symptom...
February 21, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635084/primary-tumor-sites-in-relation-to-ultraviolet-radiation-exposure-and-skin-visibility-correlate-with-survival-in-cutaneous-melanoma
#16
Daniela Gordon, Johan Hansson, Sandra Eloranta, Max Gordon, Peter Gillgren, Karin E Smedby
The prognostic value of detailed anatomic site and ultraviolet radiation (UVR) exposure patterns has not been fully determined in cutaneous melanoma. Thus, we reviewed medical records for detailed site in a population-based retrospective Swedish patient cohort diagnosed with primary invasive melanoma 1976 - 2003 (n=5,973). We followed the patients from date of diagnosis until death, emigration or December 31(st) 2013, and evaluated melanoma-specific survival by subsite in a multivariable regression model adjusting for established prognostic factors...
June 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28634547/kinesiophobia-pain-muscle-functions-and-functional-performances-among-older-persons-with-low-back-pain
#17
Nor Azizah Ishak, Zarina Zahari, Maria Justine
OBJECTIVES: This study aims (1) to determine the association between kinesiophobia and pain, muscle functions, and functional performances and (2) to determine whether kinesiophobia predicts pain, muscle functions, and functional performance among older persons with low back pain (LBP). METHODS: This is a correlational study, involving 63 institutionalized older persons (age = 70.98 ± 7.90 years) diagnosed with LBP. Anthropometric characteristics (BMI) and functional performances (lower limb function, balance and mobility, and hand grip strength) were measured...
2017: Pain Research and Treatment
https://www.readbyqxmd.com/read/28634502/impact-of-neurological-follow-up-on-early-hospital-readmission-rates-for-acute-ischemic-stroke
#18
Alexander Allen, Todd Barron, Ashley Mo, Richard Tangel, Ruth Linde, Rodney Grim, John Mingle, Ellen Deibert
INTRODUCTION: Despite advances in stroke care, readmission rates for patients with ischemic stroke remain high. Although factors such as age, diabetes, and continuous use of antiplatelet agents have been found to predict readmission rates, the impact of after-hospital care has not been examined. METHODS: The present study reviewed the charts of 416 patients with acute ischemic stroke and recorded stroke-related comorbidities, neurology follow-up within 21 days, readmission at 0 to 30 days, readmission at 31 to 90 days, and any reasons for readmission...
July 2017: Neurohospitalist
https://www.readbyqxmd.com/read/28634157/yoga-is-reasonable-alternative-to-physical-therapy-for-lower-back-pain-say-researchers
#19
Jacqui Wise
No abstract text is available yet for this article.
June 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28633904/clinical-characteristics-of-type-a-acute-aortic-dissection-with-symptom-of-the-central-nervous-system
#20
Yuji Shono, Tomohiko Akahoshi, Satomi Mezuki, Kenta Momii, Noriyuki Kaku, Jun Maki, Kentaro Tokuda, Tetsuro Ago, Takanari Kitazono, Yoshihiko Maehara
BACKGROUND AND PURPOSE: Accurate diagnosis of acute aortic dissection (AAD) is sometimes difficult because of accompanying central nervous system (CNS) symptoms. The purpose of this study was to investigate the clinical characteristics of Type A AAD (TAAAD) with CNS symptoms. METHODS: We retrospectively reviewed the medical records of 8403 patients ambulanced to our emergency and critical care center between April 2009 and May 2014. RESULTS: We identified 59 TAAAD patients for the analysis (mean age, 67...
June 6, 2017: American Journal of Emergency Medicine
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