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https://www.readbyqxmd.com/read/28296958/interaction-between-the-oculomotor-and-postural-systems-during-a-dual-task-compensatory-reductions-in-head-sway-following-visually-induced-postural-perturbations-promote-the-production-of-accurate-double-step-saccades-in-standing-human-adults
#1
Mathieu Boulanger, Guillaume Giraudet, Jocelyn Faubert
Humans routinely scan their environment for useful information using saccadic eye movements and/or coordinated movements of the eyes and other body segments such the head and the torso. Most previous eye movement studies were conducted with seated subject and showed that single saccades and sequences of saccades (e.g. double-step saccades) made to briefly flashed stimuli were equally accurate and precise. As one can easily appreciate, most gaze shifts performed daily by a given person are not produced from a seated position, but rather from a standing position either as subjects perform an action from an upright stance or as they walk from one place to another...
2017: PloS One
https://www.readbyqxmd.com/read/28291178/comparison-of-single-intra-articular-injection-of-novel-hyaluronan-hya-joint-plus-with-synvisc-one-for-knee-osteoarthritis-a-randomized-controlled-double-blind-trial-of-efficacy-and-safety
#2
Shu-Fen Sun, Chien-Wei Hsu, Huey-Shyan Lin, I-Hsiu Liou, Yin-Han Chen, Chia-Ling Hung
BACKGROUND: Viscosupplementation has been widely used for the treatment of knee osteoarthritis. Because we found no well-controlled trial comparing single-injection regimens of hyaluronan for knee osteoarthritis, we compared the efficacy and safety of a single intra-articular injection of a novel cross-linked hyaluronan (HYA-JOINT Plus) with a single injection of Synvisc-One in patients with knee osteoarthritis. METHODS: In a prospective, randomized, controlled, double-blind trial with a 6-month follow-up, 132 patients with knee osteoarthritis (Kellgren-Lawrence grade 2 or 3) were randomized to receive 1 intra-articular injection of 3 mL of HYA-JOINT Plus (20 mg/mL) (n = 66) or 6 mL of Synvisc-One (8 mg/mL) (n = 66)...
March 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28269388/testing-the-assumption-of-normality-in-body-sway-area-calculations-during-unipedal-stance-tests-with-an-inertial-sensor
#3
Kyoung Jae Kim, Jennifer Lucarevic, Christopher Bennett, Ignacio Gaunaurd, Robert Gailey, Vibhor Agrawal
The quantification of postural sway during the unipedal stance test is one of the essentials of posturography. A shift of center of pressure (CoP) is an indirect measure of postural sway and also a measure of a person's ability to maintain balance. A widely used method in laboratory settings to calculate the sway of body center of mass (CoM) is through an ellipse that encloses 95% of CoP trajectory. The 95% ellipse can be computed under the assumption that the spatial distribution of the CoP points recorded from force platforms is normal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28248634/health-service-planning-and-sustainable-development-considering-what-where-and-how-care-is-delivered-through-a-pro-environmental-lens
#4
Sharon Desmond
The aim of the present paper was to review the opportunities currently available to health service planners to advance sustainable development in their future-facing roles within health service organisation. Critical challenges and enablers to facilitate health services planners in adopting a pro-environmental lens are discussed.What is known about the topic? Despite its harmful effect on the environment, health has been slower than other industries to embrace the sustainable development agenda. The attitudes and knowledge base of health service planners with regard to environmental sustainability has not been widely studied...
March 2, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/28227631/testing-the-assumption-of-normality-in-body-sway-area-calculations-during-unipedal-stance-tests-with-an-inertial-sensor
#5
Kyoung Jae Kim, Jennifer Lucarevic, Christopher Bennett, Ignacio Gaunaurd, Robert Gailey, Vibhor Agrawal, Kyoung Jae Kim, Jennifer Lucarevic, Christopher Bennett, Ignacio Gaunaurd, Robert Gailey, Vibhor Agrawal, Christopher Bennett, Vibhor Agrawal, Jennifer Lucarevic, Kyoung Jae Kim, Ignacio Gaunaurd, Robert Gailey
The quantification of postural sway during the unipedal stance test is one of the essentials of posturography. A shift of center of pressure (CoP) is an indirect measure of postural sway and also a measure of a person's ability to maintain balance. A widely used method in laboratory settings to calculate the sway of body center of mass (CoM) is through an ellipse that encloses 95% of CoP trajectory. The 95% ellipse can be computed under the assumption that the spatial distribution of the CoP points recorded from force platforms is normal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28208707/gaitkeeper-a-system-for-measuring-canine-gait
#6
Cassim Ladha, Jack O'Sullivan, Zoe Belshaw, Lucy Asher
It is understood gait has the potential to be used as a window into neurodegenerative disorders, identify markers of subclinical pathology, inform diagnostic algorithms of disease progression and measure the efficacy of interventions. Dogs' gaits are frequently assessed in a veterinary setting to detect signs of lameness. Despite this, a reliable, affordable and objective method to assess lameness in dogs is lacking. Most described canine lameness assessments are subjective, unvalidated and at high risk of bias...
February 8, 2017: Sensors
https://www.readbyqxmd.com/read/28187890/evaluation-of-a-smartphone-based-assessment-system-in-subjects-with-chronic-ankle-instability
#7
Ya-Lan Chiu, Yi-Ju Tsai, Chueh-Ho Lin, You-Ruei Hou, Wen-Hsu Sung
BACKGROUND: Ankle sprain is the most common sports-related injury, and approximately 80% of patients studied suffered recurrent sprains. These repeated ankle injuries could cause chronic ankle instability, a decrease in sports performance, and a decrease in postural control ability. At the present time, smartphones have become very popular and powerful devices, and smartphone applications (apps) that have been shown to have good validity have been designed to measure human body motion...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28166936/cerebellar-disease-of-ruminants
#8
REVIEW
Philippa Gibbons
Cerebellar disease can be congenital or acquired. Clinical signs of cerebellar disease include hypermetric gait in all limbs, normal to increased muscle tone, wide-based stance, swaying, intention tremor, and convulsions. Vestibular signs may be observed. Differential diagnoses for etiology include congenital (hypoplasia, abiotrophy, and lysosomal storage diseases), viral, bacterial, and toxic plants. Animals may present aborted as fetuses or stillborn, be affected at birth, develop disease at a few months old, or acquire the disease later in life...
March 2017: Veterinary Clinics of North America. Food Animal Practice
https://www.readbyqxmd.com/read/28110627/pragmatic-nihilism-how-a-theory-of-nothing-can-help-health-psychology-progress
#9
Gjalt-Jorn Ygram Peters, Rik Crutzen
Health psychology aims to explain and change a wide variety of behaviours, and to this end has developed a plethora of theories. Several attempts have been undertaken to build integrative theories, and some even strive for a Theory of Everything. We argue against these efforts, arguing that instead, adopting a stance that may be called 'pragmatic nihilism' is more fruitful in the endeavour to understand and change specific health behaviours. The first tenet of pragmatic nihilism is that psychological variables, those defined in our health psychology theories, are usefully considered as metaphors rather than referring to entities that exist in the mind...
January 22, 2017: Health Psychology Review
https://www.readbyqxmd.com/read/28054743/hypoglycemia-evaluation-and-reporting-in-diabetes-importance-for-the-development-of-new-therapies
#10
David C Klonoff, G Alexander Fleming, Douglas B Muchmore, Brian M Frier
Hypoglycemia complicating diabetes therapy is well recognized to be an ever-present threat to patients, their families, providers, payers and regulators. Despite this being widely acknowledged, the regulatory stance on hypoglycemia as an endpoint in clinical trials to support new product registration has not evolved in any meaningful way since the publication of a position paper by an American Diabetes Association (ADA) Workgroup in 2005. As the impact of hypoglycemia on persons affected by diabetes is of major importance when assessing new treatments, the historical position of regulatory agencies on hypoglycemia is reviewed with respect to product approvals...
January 5, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28017295/older-adults-show-higher-increases-in-lower-limb-muscle-activity-during-whole-body-vibration-exercise
#11
Karin Lienhard, Jordyn Vienneau, Sandro Nigg, Bernd Friesenbichler, Benno M Nigg
The purpose of this study was to compare lower limb muscle activity during whole-body vibration (WBV) exercise between a young and an older study population. Thirty young (25.9±4.3yrs) and thirty older (64.2±5.3yrs) individuals stood on a side-alternating WBV platform while surface electromyography (sEMG) was measured for the tibialis anterior (TA), gastrocnemius medialis (GM), soleus (SOL), vastus lateralis (VL), vastus medialis (VM), and biceps femoris (BF). The WBV protocol included nine vibration settings consisting of three frequencies (6, 11, 16Hz) x three amplitudes (0...
December 14, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/28012385/separation-of-rotational-and-translational-segmental-momentum-to-assess-movement-coordination-during-walking
#12
Brecca M M Gaffney, Cory L Christiansen, Amanda M Murray, Anne K Silverman, Bradley S Davidson
This investigation presents an analysis of segmental angular momentum to describe segmental coordination during walking. Generating and arresting momentum is an intuitive concept, and also forms the foundation of Newton-Euler dynamics. Total segmental angular momentum is separated into separate components, translational angular momentum (TAM) and rotational angular momentum (RAM), which provide different but complementary perspectives of the segmental dynamics needed to achieve forward progression during walking...
January 2017: Human Movement Science
https://www.readbyqxmd.com/read/28009621/a-meta-review-of-the-safety-of-electroconvulsive-therapy-in-pregnancy
#13
Preeti Sinha, Parth Goyal, Chittaranjan Andrade
BACKGROUND: Four systematic reviews have examined the safety of electroconvulsive therapy (ECT) in pregnancy. These have varied widely in methods, findings, and conclusions. METHODS: We compared these reviews with regard to search strategy, study selection criteria, total number of studies identified, total number of patients included, findings related to safety and adverse events, and interpretation of results. RESULTS: The number of studies (number of cases) included in the reviews ranged from 16 (n = 300) to 67 (n = 169) with only one review stating reasons for exclusion of nonselected studies...
December 21, 2016: Journal of ECT
https://www.readbyqxmd.com/read/27973714/ethics-of-mitochondrial-replacement-techniques-a-habermasian-perspective
#14
César Palacios-González
Jürgen Habermas is regarded as a central bioconservative commentator in the debate on the ethics of human prenatal genetic manipulations. While his main work on this topic, The Future of Human Nature, has been widely examined in regard to his position on prenatal genetic enhancement, his arguments regarding prenatal genetic therapeutic interventions have for the most part been overlooked. In this work I do two things. First, I present the three necessary conditions that Habermas establishes for a prenatal genetic manipulation to be regarded as morally permissible...
January 2017: Bioethics
https://www.readbyqxmd.com/read/27908459/three-single-leg-standing-tests-for-clinical-assessment-of-chronic-plantar-heel-pain-syndrome-static-stance-half-squat-and-heel-rise
#15
B Saban, Y Masharawi
OBJECTIVE: To assess reliability and validity of three single leg standing clinical tests in patients with plantar heel pain syndrome (PHPS). DESIGN: Cross-sectional reliability study. PARTICIPANTS: Forty patients diagnosed with PHPS. MAIN OUTCOME MEASURES: Patients stood on their affected foot in a static stance for up to 30seconds, a half squat for up to 10 repetitions, and a heel rise for up to 10 repetitions. The first sensation of pain (p1) determined the termination of each test, and established a positive test result...
June 29, 2016: Physiotherapy
https://www.readbyqxmd.com/read/27811299/a-general-relationship-links-gait-mechanics-and-running-ground-reaction-forces
#16
Kenneth P Clark, Laurence J Ryan, Peter G Weyand
The relationship between gait mechanics and running ground reaction forces is widely regarded as complex. This viewpoint has evolved primarily via efforts to explain the rising edge of vertical force-time waveforms observed during slow human running. Existing theoretical models do provide good rising-edge fits, but require more than a dozen input variables to sum the force contributions of four or more vague components of the body's total mass (mb). Here, we hypothesized that the force contributions of two discrete body mass components are sufficient to account for vertical ground reaction force-time waveform patterns in full (stance foot and shank, m1=0...
January 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27702444/increasing-ankle-push-off-work-with-a-powered-prosthesis-does-not-necessarily-reduce-metabolic-rate-for-transtibial-amputees
#17
Roberto E Quesada, Joshua M Caputo, Steven H Collins
Amputees using passive ankle-foot prostheses tend to expend more metabolic energy during walking than non-amputees, and reducing this cost has been a central motivation for the development of active ankle-foot prostheses. Increased push-off work at the end of stance has been proposed as a way to reduce metabolic energy use, but the effects of push-off work have not been tested in isolation. In this experiment, participants with unilateral transtibial amputation (N=6) walked on a treadmill at a constant speed while wearing a powered prosthesis emulator...
October 3, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27676754/on-the-origin-of-the-mediolateral-displacement-of-the-centre-of-pressure-during-gait-initiation
#18
Marco Schieppati, Jean Louis Honeine, Manh-Cuong Do, Oscar Crisafulli
OBJECTIVE: The critical action for gait initiation involves lifting of the swing leg while shifting the centre of mass (CoM) of the body over the stance leg. This action is made possible by the initial displacement of the centre of pressure (CoP) in the direction of the swing leg. We hypothesised that the CoP displacement requires a coordinated action of the swing-leg abductor muscles and of the dorsiflexor muscles of the stance leg. MATERIAL/PATIENTS AND METHODS: Nine subjects initiated gait starting from three different initial stance widths (small, medium, wide)...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27666186/quantifying-effects-of-age-on-balance-and-gait-with-inertial-sensors-in-community-dwelling-healthy-adults
#19
Jeong-Ho Park, Martina Mancini, Patricia Carlson-Kuhta, John G Nutt, Fay B Horak
Although balance and gait deteriorate as a person ages, it is unknown if all balance and gait measures change similarly across the adult age span. We developed the Instrumented Stand and Walk test (ISAW) to provide a quick quantification of key components of balance and walking: postural sway, anticipatory postural adjustments during step initiation, gait, and turning using body-worn, inertial sensors. Our aims were to characterize how different balance and gait measures change with age and to identify key age-related measures of mobility, in a wide age range of healthy, community-dwelling adults...
December 1, 2016: Experimental Gerontology
https://www.readbyqxmd.com/read/27534368/front-matter
#20
(no author information available yet)
"Universal design provides a blueprint for maximum inclusion of all people" [7]. This statement is now nearly 20 years old. The present collection of papers from the 3rd International Conference on Universal Design (UD 2016) is testament to the fact that Universal Design is now benefitting from a climate that is more knowledgeable about, and possibly more accommodating of, individual differences between people. However, there are still many open issues, and much to be learnt from exchanging experiences between all stakeholders interested in Universal Design, be they policy makers, practitioners or researchers...
2016: Studies in Health Technology and Informatics
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