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https://www.readbyqxmd.com/read/28821009/evaluating-the-impact-of-connectivity-continuity-and-topography-of-sidewalk-network-on-pedestrian-safety
#1
Ahmed Osama, Tarek Sayed
With the increasing demand for sustainability, walking is being encouraged as one of the main active modes of transportation. However, pedestrians are vulnerable to severe injuries when involved in crashes which can discourage road users from walking. Therefore, studying factors that affect the safety of pedestrians is important. This paper investigates the relationship between pedestrian-motorist crashes and various sidewalk network indicators in the city of Vancouver. The goal is to assess the impact of network connectivity, directness, and topography on pedestrian safety using macro-level collision prediction models...
August 15, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28820909/dose-of-physical-activity-physical-functioning-and-disability-risk-in-mobility-limited-older-adults-results-from-the-life-study-randomized-trial
#2
Roger A Fielding, Jack M Guralnik, Abby C King, Marco Pahor, Mary M McDermott, Catrine Tudor-Locke, Todd M Manini, Nancy W Glynn, Anthony P Marsh, Robert S Axtell, Fang-Chi Hsu, W Jack Rejeski
Understanding the minimal dose of physical activity required to achieve improvement in physical functioning and reductions in disability risk is necessary to inform public health recommendations. To examine the effect of physical activity dose on changes in physical functioning and the onset of major mobility disability in The Lifestyle Interventions and Independence for Elders (LIFE) Study. We conducted a multicenter single masked randomized controlled trial that enrolled participants in 2010 and 2011 and followed them for an average of 2...
2017: PloS One
https://www.readbyqxmd.com/read/28820708/clinical-spectrum-etiology-and-outcome-of-neurological-disorders-in-the-rural-hospital-of-mosango-the-democratic-republic-of-congo
#3
Deby Mukendi, Jean-Roger Lilo Kalo, Alain Mpanya, Luigi Minikulu, Tharcisse Kayembe, Pascal Lutumba, Barbara Barbé, Philippe Gillet, Jan Jacobs, Harry Van Loen, Cedric P Yansouni, François Chappuis, Raffaella Ravinetto, Kristien Verdonck, Marleen Boelaert, Andrea S Winkler, Emmanuel Bottieau
There is little published information on the epidemiology of neurological disorders in rural Central Africa, although the burden is considered to be substantial. This study aimed to investigate the pattern, etiology, and outcome of neurological disorders in children > 5 years and adults admitted to the rural hospital of Mosango, province of Kwilu, Democratic Republic of Congo, with a focus on severe and treatable infections of the central nervous system (CNS). From September 2012 to January 2015, 351 consecutive patients hospitalized for recent and/or ongoing neurological disorder were prospectively evaluated by a neurologist, subjected to a set of reference diagnostic tests in blood or cerebrospinal fluid, and followed-up for 3-6 months after discharge...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820446/towards-scalable-strain-gauge-based-joint-torque-sensors
#4
Hamza Khan, Mariapaola D'Imperio, Ferdinando Cannella, Darwin G Caldwell, Alfred Cuschieri, Claudio Semini
During recent decades, strain gauge-based joint torque sensors have been commonly used to provide high-fidelity torque measurements in robotics. Although measurement of joint torque/force is often required in engineering research and development, the gluing and wiring of strain gauges used as torque sensors pose difficulties during integration within the restricted space available in small joints. The problem is compounded by the need for a scalable geometric design to measure joint torque. In this communication, we describe a novel design of a strain gauge-based mono-axial torque sensor referred to as square-cut torque sensor (SCTS), the significant features of which are high degree of linearity, symmetry, and high scalability in terms of both size and measuring range...
August 18, 2017: Sensors
https://www.readbyqxmd.com/read/28819687/central-not-peripheral-vestibular-processing-impairs-gait-coordination
#5
Yoav Gimmon, Jennifer Millar, Rebecca Pak, Elizabeth Liu, Michael C Schubert
Gait coordination is generated by neuronal inter-connections between central pattern generators in the spinal cord governed by cortical areas. Malfunction of central vestibular processing areas generates vestibular symptoms in the absence of an identifiable peripheral vestibular system lesion. Walking in the dark enforces a coordinated afference primarily from the vestibular and somatosensory systems. We hypothesized that patients with aberrant central vestibular processing would demonstrate unique gait characteristics, and have impaired gait coordination compared with those patients with abnormal peripheral vestibular function and healthy controls...
August 17, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28819603/bilateral-ankle-fusion-in-leak-syndrome-induced-deformity-a-case-report
#6
Luis Sobral, Ana C Ângelo, Afonso Caetano, Joaquim Rodeia, Isabel Rosa
INTRODUCTION: Systemic capillary leak syndrome (SCLS) is a rare condition of unknown etiology defined by sudden episode of hypotension, high hematocrit, and low serum protein concentration due to capillary hyperpermeability. Several treatments have been published for this pathology and eventual compartment syndrome but not for the disabling consequences. This clinical case highlights the negative orthopedic consequences of a severe systemic attack and reports a subsequent deformity treatment option that resulted in the patient quality of life improvement...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819579/dual-task-performance-in-gba-parkinson-s-disease
#7
Karin Srulijes, Kathrin Brockmann, Senait Ogbamicael, Markus A Hobert, Ann-Kathrin Hauser, Claudia Schulte, Jasmin Fritzen, Michael Schwenk, Thomas Gasser, Daniela Berg, Walter Maetzler
INTRODUCTION: Parkinson's disease patients carrying a heterozygous mutation in the gene glucocerebrosidase (GBA-PD) show faster motor and cognitive decline than idiopathic Parkinson's disease (iPD) patients, but the mechanisms behind this observation are not well understood. Successful dual tasking (DT) requires a smooth integration of motor and nonmotor operations. This study compared the DT performances between GBA-PD and iPD patients. METHODS: Eleven GBA-PD patients (p...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28819005/blood-pressure-and-leg-deoxygenation-are-exaggerated-during-treadmill-walking-in-patients-with-peripheral-artery-disease
#8
Amanda J Miller, J Carter Luck, Danielle Jin-Kwang Kim, Urs A Leuenberger, David N Proctor, Lawrence I Sinoway, Matthew D Muller
The purpose of this study was to investigate blood pressure (BP) and leg skeletal muscle oxygen saturation (SmO2) during treadmill walking in patients with peripheral artery disease (PAD) and healthy subjects. Eight PAD patients (66 ± 3 years, 1 female) and eight healthy subjects (65 ± 2 years, 1 female) walked on a treadmill at 2 miles/hour. The incline increased by 2% every 2 minutes from 0% to 15% or until maximal discomfort. BP was measured every 2 min with an auscultatory cuff. Heart rate (HR) was recorded continuously with an electrocardiogram...
August 17, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28818738/walking-during-the-encoding-of-described-environments-enhances-a-heading-independent-spatial-representation
#9
Ilaria Santoro, Mauro Murgia, Fabrizio Sors, Valter Prpic, Tiziano Agostini
Previous studies demonstrated that physical movement enhanced spatial updating in described environments. However, those movements were executed only after the encoding of the environment, minimally affecting the development of the spatial representation. Thus, we investigated whether and how participants could benefit from the execution of physical movement during the encoding of described environments, in terms of enhanced spatial updating. Using the judgement of relative directions task, we compared the effects of walking both during and after the description of the environment, and walking only after the description on spatial updating...
August 11, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/28818422/feasibility-and-effects-of-a-physical-activity-program-using-gerontechnology-in-assisted-living-communities-for-older-adults
#10
Martine Lauzé, Dominic D Martel, Mylène Aubertin-Leheudre
BACKGROUND: The number of older adults residing in assisted living communities is increasing. Despite the benefits of physical activity (PA) on physical and cognitive capacities, and the opportunities for being active offered in these living environments, this population is highly sedentary and more at risk of physical decline. This study aimed to assess the feasibility, the acceptability, and the effects of PA intervention using gerontechnology in assisted living communities. METHODS: Forty-two older adults in 4 assisted living communities were recruited and randomly assigned to an exercise intervention group (EX) or a control group (CON) using a 2:1 ratio...
August 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28818417/referral-for-expert-physical-activity-counseling-a-pragmatic-rct
#11
Erica L James, Ben D Ewald, Natalie A Johnson, Fiona G Stacey, Wendy J Brown, Elizabeth G Holliday, Mark Jones, Fan Yang, Charlotte Hespe, Ronald C Plotnikoff
INTRODUCTION: Primary care physicians are well placed to offer physical activity counseling, but insufficient time is a barrier. Referral to an exercise specialist is an alternative. In Australia, exercise specialists are publicly funded to provide face-to-face counseling to patients who have an existing chronic illness. This trial aimed to (1) determine the efficacy of primary care physicians' referral of insufficiently active patients for counseling to increase physical activity, compared with usual care, and (2) compare the efficacy of face-to-face counseling with counseling predominantly via telephone...
August 14, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28818143/locomotion-strategy-and-magnitude-of-ground-reaction-forces-during-treadmill-training-on-iss
#12
Elena Fomina, Alexandra Savinkina
INTRODUCTION: Creation of the cosmonaut in-flight physical training process is currently based on the leading role of support afferents in the development of hypogravity changes in the motor system. We assume that the strength of support afferents is related to the magnitude of the ground reaction forces (GRF). For this purpose it was necessary to compare the GRF magnitude on the Russian BD-2 treadmill for different locomotion types (walking and running), modes (active and passive), and subjects...
September 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28818107/patellofemoral-kinematics-in-dogs-with-cranial-cruciate-ligament-insufficiency-an-in-vivo-fluoroscopic-analysis-during-walking
#13
Stanley E Kim, Geoffrey J Zann, Selena Tinga, Erica J Moore, Antonio Pozzi, Scott A Banks
BACKGROUND: Complete rupture of the cranial cruciate ligament (CrCL) in dogs causes profound disturbance to stifle joint biomechanics. The objective of this study was to characterize the effects of cranial cruciate ligament (CrCL) insufficiency on patellofemoral (PF) kinematics in dogs during walking. Ten client-owned dogs (20-40 kg) with natural unilateral complete CrCL rupture were included. Dogs underwent computed tomographic scans to create digital bone-models of the patella and femur...
August 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28818063/variations-in-adolescents-motivational-characteristics-across-gender-and-physical-activity-patterns-a-latent-class-analysis-approach
#14
Margaret Lawler, Caroline Heary, Elizabeth Nixon
BACKGROUND: Neglecting to take account of the underlying context or type of physical activity (PA) that underpins overall involvement has resulted in a limited understanding of adolescents' PA participation. The purpose of the present research was to identify male and female adolescents' leisure time PA patterns and examine whether psychological processes derived from self-determination theory differ as a function of the pattern of PA undertaken. METHODS: Nine hundred ninety-five students (61...
August 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28817966/attitudes-and-barriers-to-healthy-diet-and-physical-activity-a-latent-profile-analysis
#15
Christine A Vaughan, Madhumita Ghosh-Dastidar, Tamara Dubowitz
Healthy diet and physical activity (PA) prevent and reduce chronic disease. Social cognitive theory delineates multiple attitudes and barriers that influence these behaviors. Understanding covariation in these attitudes and barriers is complex. We examined whether individuals could be grouped into a small number of categories that are easier to study. Interviews were conducted with 982 adults from two low-income, predominantly African American neighborhoods in the same city. Social cognitive constructs, including self-efficacy, social norms, and internal and external barriers to diet and exercise, and walking were self-reported...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28817701/effect-of-exoskeletal-joint-constraint-and-passive-resistance-on-metabolic-energy-expenditure-implications-for-walking-in-paraplegia
#16
Sarah R Chang, Rudi Kobetic, Ronald J Triolo
An important consideration in the design of a practical system to restore walking in individuals with spinal cord injury is to minimize metabolic energy demand on the user. In this study, the effects of exoskeletal constraints on metabolic energy expenditure were evaluated in able-bodied volunteers to gain insight into the demands of walking with a hybrid neuroprosthesis after paralysis. The exoskeleton had a hydraulic mechanism to reciprocally couple hip flexion and extension, unlocked hydraulic stance controlled knee mechanisms, and ankles fixed at neutral by ankle-foot orthoses...
2017: PloS One
https://www.readbyqxmd.com/read/28816960/successful-open-reduction-and-internal-fixation-for-displaced-femoral-fracture-in-a-patient-with-osteopetrosis-case-report-and-lessons-learned
#17
Jiangfa Huang, Jianke Pan, Mingtao Xu, Shuchai Xu
RATIONALE: Osteopetrosis is a rare disease that predominantly occurs in descendants of inbreeding families. In the case of fractures happen in patients with osteopetrosis, the choice between operative or conservative treatment is still controversial. Open reduction and internal fixation (ORIF) is a conventional treatment for fractures, and it possesses more applicability than conservative treatment. During this surgical treatment, ensure that bone union in the right way is pivotal to success and simultaneously prevents refracture and displacement after the operation...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816893/periarticular-liposomal-bupivacaine-injection-versus-intra-articular-bupivacaine-infusion-catheter-for-analgesia-after-total-knee-arthroplasty-a-double-blinded-randomized-controlled-trial
#18
Eric B Smith, Gregory S Kazarian, Mitchell G Maltenfort, Jess H Lonner, Peter F Sharkey, Robert P Good
BACKGROUND: Intra-articular bupivacaine hydrochloride (HCl) infusion catheters and periarticular injections of liposomal bupivacaine are often used as postoperative local anesthetics. The purpose of this study was to compare the efficacies of these local anesthetics following total knee arthroplasty. METHODS: This study was a superiority trial with a randomized, controlled, double-blinded design. Patients were randomly assigned to either delivery of bupivacaine HCl by the ON-Q* Pain Relief System pump (n = 96) or by an injection of Exparel (liposomal bupivacaine) (n = 104)...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28816754/health-care-services-in-ibd-factors-associated-with-service-utilization-and-preferences-for-service-options-for-routine-and-urgent-care
#19
Matthew T Bernstein, John R Walker, Tarun Chhibba, Melony Ivekovic, Harminder Singh, Laura E Targownik, Charles N Bernstein
BACKGROUND: We aimed to explore factors associated with health service utilization and preference for services, including alternatives to attending the emergency department (ED) when experiencing mild to moderate or severe symptoms. METHODS: A total of 1143 persons (46% response rate) aged 18 to 65 years in the population-based University of Manitoba IBD Research Registry participated in the survey. RESULTS: Although 61% had a gastroenterologist, when experiencing active symptoms, only 29% felt they could call their gastroenterologist for an urgent appointment, and 42% could call their gastroenterologist for telephone advice...
September 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28816750/health-care-services-in-ibd-factors-associated-with-service-utilization-and-preferences-for-service-options-for-routine-and-urgent-care
#20
Matthew T Bernstein, John R Walker, Tarun Chhibba, Melony Ivekovic, Harminder Singh, Laura E Targownik, Charles N Bernstein
BACKGROUND: We aimed to explore factors associated with health service utilization and preference for services, including alternatives to attending the emergency department (ED) when experiencing mild to moderate or severe symptoms. METHODS: A total of 1143 persons (46% response rate) aged 18 to 65 years in the population-based University of Manitoba IBD Research Registry participated in the survey. RESULTS: Although 61% had a gastroenterologist, when experiencing active symptoms, only 29% felt they could call their gastroenterologist for an urgent appointment, and 42% could call their gastroenterologist for telephone advice...
August 14, 2017: Inflammatory Bowel Diseases
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