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https://www.readbyqxmd.com/read/28299643/retention-of-the-first-trial-effect-in-gait-slip-among-community-living-older-adults
#1
Xuan Liu, Tanvi Bhatt, Shuaijie Wang, Feng Yang, Yi-Chung Clive Pai
"First-trial effect" characterizes the rapid adaptive behavior that changes the performance outcome (from fall to non-fall) after merely a single exposure to postural disturbance. The purpose of this study was to investigate how long the first-trial effect could last. Seventy-five (≥ 65 years) community-dwelling older adults, who were protected by an overhead full body harness system, were retested for a single slip 6-12 months after their initial exposure to a single gait-slip. Subjects' body kinematics that was used to compute their proactive (feedforward) and reactive (feedback) control of stability was recorded by an eight-camera motion analysis system...
February 2017: Geroscience
https://www.readbyqxmd.com/read/28285830/the-use-of-non-slip-socks-to-prevent-falls-among-hospitalized-older-adults-a-literature-review
#2
Benjamin Hartung, Michelle Lalonde
Falls among hospitalized older adults are a growing concern. Hospitals are using non-slip socks as an alternative footwear to help prevent falls, however there is limited evidence to support their use. The aim of this article is to review the literature on the effectiveness of non-slip socks to determine if there is sufficient evidence to support their use in the prevention of falls among hospitalized older adults. A comprehensive literature search was conducted using Medline, CINAHL, Scopus, PubMed and the Cochrane Library...
March 9, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28269022/split-belt-controllable-treadmill-with-differential-velocity-based-fall-stimulation-and-motion-analysis
#3
Yasutaka Nakashima, Hiroki Noutsuka, Takanori Fukui, Motoji Yamamoto
Amid trends toward aging populations in developed nations, the number of people requiring nursing care has increased markedly. Slips and falls during ordinary daily activities are a common cause of fractured bones and muscle injury. Several studies have analyzed the movements produced by artificially generated slip and fall stimuli, but few have investigated these stimuli. We analyzed lower-limb motion following a slip and fall stimulus produced using a pulled free-walking system consisting of a controllable split-belt treadmill, where a speed difference between the belts could be applied to produce a slipping motion...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28255224/dual-task-does-not-increase-slip-and-fall-risk-in-healthy-young-and-older-adults-during-walking
#4
Rahul Soangra, Thurmon E Lockhart
Dual-task tests can identify gait characteristics peculiar to fallers and nonfallers. Understanding the relationship between gait performance and dual-task related cognitive-motor interference is important for fall prevention. Dual-task adapted changes in gait instability/variability can adversely affect fall risks. Although implicated, it is unclear if healthy participants' fall risks are modified by dual-task walking conditions. Seven healthy young and seven healthy older adults were randomly assigned to normal walking and dual-task walking sessions with a slip perturbation...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/28227235/split-belt-controllable-treadmill-with-differential-velocity-based-fall-stimulation-and-motion-analysis
#5
Yasutaka Nakashima, Hiroki Noutsuka, Takanori Fukui, Motoji Yamamoto, Yasutaka Nakashima, Hiroki Noutsuka, Takanori Fukui, Motoji Yamamoto, Takanori Fukui, Hiroki Noutsuka, Yasutaka Nakashima, Motoji Yamamoto
Amid trends toward aging populations in developed nations, the number of people requiring nursing care has increased markedly. Slips and falls during ordinary daily activities are a common cause of fractured bones and muscle injury. Several studies have analyzed the movements produced by artificially generated slip and fall stimuli, but few have investigated these stimuli. We analyzed lower-limb motion following a slip and fall stimulus produced using a pulled free-walking system consisting of a controllable split-belt treadmill, where a speed difference between the belts could be applied to produce a slipping motion...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28220067/shared-and-task-specific-muscle-synergies-during-normal-walking-and-slipping
#6
Mohammad Moein Nazifi, Han Ul Yoon, Kurt Beschorner, Pilwon Hur
Falling accidents are costly due to their prevalence in the workplace. Slipping has been known to be the main cause of falling. Understanding the motor response used to regain balance after slipping is crucial to developing intervention strategies for effective recovery. Interestingly, studies on spinalized animals and studies on animals subjected to electrical microstimulation have provided major evidence that the Central Nervous System (CNS) uses motor primitives, such as muscle synergies, to control motor tasks...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28208109/stability-against-backward-balance-loss-age-related-modifications-following-slip-like-perturbations-of-multiple-amplitudes
#7
Dario Martelli, Federica Aprigliano, Peppino Tropea, Guido Pasquini, Silvestro Micera, Vito Monaco
Falls are one of the most serious problems in the elderly. Although previous studies clearly link the increased risk of falls with ageing, the mechanisms responsible for the modifications of reactive motor behaviours in response to external perturbations are not yet fully understood. This study investigated how the stability against backward balance loss is affected by aging and intensity of perturbations. The Margin of Stability (MoS) was estimated while eight young and eight elderly adults managed three slip-like perturbations of different intensities while walking at the same normalized speed...
February 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28160812/noise-and-neurotoxic-chemical-exposure-relationship-to-workplace-traumatic-injuries-a-review
#8
Cheryl Fairfield Estill, Carol H Rice, Thais Morata, Amit Bhattacharya
INTRODUCTION: More than 5,000 fatalities and eight million injuries occurred in the workplace in 2007 at a cost of $6 billion and $186 billion, respectively. Neurotoxic chemicals are known to affect central nervous system functions among workers, which include balance and hearing disorders. However, it is not known if there is an association between exposure to noise and solvents and acute injuries. METHOD: A thorough review was conducted of the literature on the relationship between noise or solvent exposures and hearing loss with various health outcomes...
February 2017: Journal of Safety Research
https://www.readbyqxmd.com/read/28154765/valgus-slipped-capital-femoral-epiphysis-in-patient-with-hypopituitarism
#9
Yoshihiro Kotoura, Yasuhiro Fujiwara, Tatsuro Hayashida, Koji Murakami, Satoshi Makio, Yuichi Shimizu, Yoshinobu Oka, Wook-Choel Kim, Taku Ogura, Toshikazu Kubo
Slipped capital femoral epiphysis (SCFE) is a common disease of adolescent and the epiphysis is positioned more posteromedially in relation to the femoral neck shaft with varus SCFE; however, posterolateral displacement of the capital epiphysis, valgus SCFE, occurs less frequently. We report a case of valgus SCFE in a 17-year-old boy with hypopituitarism. After falling down, he experienced difficulty in walking. The radiographs were inconclusive; however three-dimensional computed tomography images showed lateral displacement of the epiphysis on the right femoral head...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28131487/effects-of-obesity-on-dynamic-stability-control-during-recovery-from-a-treadmill-induced-slip-among-young-adults
#10
Feng Yang, JaeEun Kim, Fei Yang
This study sought to investigate the effects of obesity on falls and dynamic stability control in young adults when subject to a standardized treadmill-induced gait-slip. Forty-four young adults (21 normal-weight and 23 obese) participated in this study. After their muscle strength was assessed at the right knee under maximum voluntary isometric (flexion and extension) contractions, participants were moved to an ActiveStep treadmill. Following 5 normal walking trials on the treadmill, all participants encountered an identical and unexpected slip defined as a perturbation in the anterior direction with the magnitude of 24-cm slip distance and 2...
February 28, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28098743/analysis-of-incident-and-accident-reports-and-risk-management-in-spine-surgery
#11
Kazuyoshi Kobayashi, Shiro Imagama, Kei Ando, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Yoshimoto Ishikawa, Akiyuki Matsumoto, Masayoshi Morozumi, Yoshihiro Nishida, Yoshimasa Nagao, Naoki Ishiguro
STUDY DESIGN: A review of accident and incident reports. OBJECTIVE: To analyze prevalence, characteristics, and details of perioperative incidents and accidents in patients receiving spine surgery. SUMMARY OF BACKGROUND DATA: In our institution, a clinical error that potentially results in an adverse event is usually submitted as an incident or accident report through a web database, to ensure anonymous and blame-free reporting. All reports are analyzed by a medical safety management group...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28060916/nocturia-is-associated-with-slipping-and-falling
#12
So Young Kim, Woojin Bang, Min-Su Kim, Bumjung Park, Jin-Hwan Kim, Hyo Geun Choi
Several reports have demonstrated associations between falls and nocturia in the elderly. However, little information is available regarding other age groups. This study evaluated the relationship between the frequency of nocturia and falls in men using a large, population-based survey in Korea, and the results were adjusted for various confounding factors. Data from a 2011 Korean community health survey (KCHS) were retrieved for 92,660 men aged 19 to 103 years. Information regarding the history of slips or falls in the past year was collected...
2017: PloS One
https://www.readbyqxmd.com/read/27966946/how-does-the-alkyl-chain-length-of-an-ionic-liquid-influence-solute-rotation-in-the-presence-of-an-electrolyte
#13
Sugosh R Prabhu, G B Dutt
Fluorescence anisotropies of a nonpolar solute, 9-phenylanthracene (9-PA), have been measured in 1-alkyl-3-methylimidazolium (alkyl = methyl, butyl, octyl, and dodecyl) bis(trifluoromethylsulfonyl)imides ([RMIM][Tf2N]) with varying amounts (0-0.3 mole fraction) of lithium bis(trifluoromethylsulfonyl)imide (LiTf2N). This study has been carried out to understand how the length of the alkyl chain and the concentration of the electrolyte influence the rotational diffusion of a nonpolar solute. It has been observed that the addition of an electrolyte to the ionic liquid increases the bulk viscosity of the system significantly, as the Li(+) cations strongly coordinate with the [Tf2N] anions in the polar domains...
December 29, 2016: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/27906533/walking-working-surfaces-and-personal-protective-equipment-fall-protection-systems-final-rule
#14
(no author information available yet)
OSHA is revising and updating its general industry standards on walking-working surfaces to prevent and reduce workplace slips, trips, and falls, as well as other injuries and fatalities associated with walking-working surface hazards. The final rule includes revised and new provisions addressing, for example, fixed ladders; rope descent systems; fall protection systems and criteria, including personal fall protection systems; and training on fall hazards and fall protection systems. In addition, the final rule adds requirements on the design, performance, and use of personal fall protection systems...
November 18, 2016: Federal Register
https://www.readbyqxmd.com/read/27832608/neuromuscular-responses-differ-between-slip-induced-falls-and-recoveries-in-older-adults
#15
Andrew Sawers, Yi-Chung Clive Pai, Tanvi Bhatt, Lena H Ting
How does the robust control of walking and balance break down during a fall? Here, as a first step in identifying the neuromuscular determinants of falls, we tested the hypothesis that falls and recoveries are characterized by differences in neuromuscular responses. Using muscle synergy analysis, conventional onset latencies, and peak activity, we identified differences in muscle coordination between older adults who fell and those who recovered from a laboratory-induced slip. We found that subjects who fell recruited fewer muscle synergies than those who recovered, suggesting a smaller motor repertoire...
February 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27802298/tripping-elicits-earlier-and-larger-deviations-in-linear-head-acceleration-compared-to-slipping
#16
Sara L Arena, Julian L Davis, J Wallace Grant, Michael L Madigan
Slipping and tripping contribute to a large number of falls and fall-related injuries. While the vestibular system is known to contribute to balance and fall prevention, it is unclear whether it contributes to detecting slip or trip onset. Therefore, the purpose of this study was to investigate the effects of slipping and tripping on head acceleration during walking. This information would help determine whether individuals with vestibular dysfunction are likely to be at a greater risk of falls due to slipping or tripping, and would inform the potential development of assistive devices providing augmented sensory feedback for vestibular dysfunction...
2016: PloS One
https://www.readbyqxmd.com/read/27800010/work-related-injuries-among-farmers-a-cross-sectional-study-from-rural-nepal
#17
Devendra Bhattarai, Suman Bahadur Singh, Dharanidhar Baral, Ram Bilakshan Sah, Shyam Sundar Budhathoki, Paras K Pokharel
BACKGROUND: Agriculture work is one of the most hazardous occupations across countries of all income groups. In Nepal, 74 % of people are working in the agricultural sector. This study aims to identify patterns and factors associated with injuries among farmers of rural Nepal. METHODS: A community-based cross-sectional study was conducted in a rural village in eastern Nepal. House to house visit was done to collect data from the farmers. The study included 500 farmers from Shanishchare village in Morang district of Nepal...
2016: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/27749812/age-ethnicity-and-socioeconomic-factors-impacting-infant-and-toddler-fall-related-trauma
#18
Sarit Shimony-Kanat, Julie Benbenishty
OBJECTIVE: To characterize trauma-related falls in infants and toddlers aged 0 to 3 years over a 4-year period and develop a risk stratification model of causes of fall injuries. METHODS: Data on falls of 0 to 3 year olds from 2009 to 2012 were identified from a Jerusalem tertiary hospital trauma registry (N = 422) and the National Trauma Registry of Israel (N = 4,131). RESULTS: Almost half of falls occurred during the first year of life, and 57% of the children were Jewish...
October 4, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27649381/internal-and-external-flow-over-laser-textured-superhydrophobic-polytetrafluoroethylene-ptfe
#19
K M Tanvir Ahmmed, Christian Patience, Anne-Marie Kietzig
In this work, internal and external flows over superhydrophobic (SH) polytetrafluoroethylene (PTFE) were studied. The SH surface was fabricated by a one-step femtosecond laser micromachining process. The drag reduction ability of the textured surface was studied experimentally both in microscale and macroscale internal flows. The slip length, which indicates drag reduction in fluid flow, was determined in microscale fluid flow with a cone-and-plate rheometer, whereas a pressure channel setup was used for macroscale flow experiments...
October 12, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27634704/loss-of-consciousness-during-single-sling-helicopter-hoist-rescue-resulting-in-a-fatal-fall
#20
Jessie Biles, Alan A Garner
INTRODUCTION: Although harness suspension trauma has been documented since the 1960s, especially in the mountaineering setting, there is little robust medical research into the area. Helicopter hoist rescue shares similar risks and is reserved for those cases that cannot be accessed safely by other routes, where extrication may be hazardous or will take an unreasonable amount of time. The single sling or chest harness used for hoist rescue is a single harness around the upper torso and is easier and quicker to apply than a stretcher...
September 2016: Aerospace Medicine and Human Performance
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