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https://www.readbyqxmd.com/read/28649018/rear-foot-kinematics-when-wearing-lateral-wedge-insoles-and-foot-alignment-influence-the-effect-of-knee-adduction-moment-for-medial-knee-osteoarthritis
#1
Tomonori Sawada, Kenji Tanimoto, Kazuki Tokuda, Yoshitaka Iwamoto, Yuta Ogata, Masaya Anan, Makoto Takahashi, Nobuhiro Kito, Koichi Shinkoda
Lateral wedge insoles (LWIs) are prescribed for patients with medial knee osteoarthritis to reduce the external knee adduction moment (KAM). However, the biomechanical effects of LWIs are limited in some patients. The purpose of this study was to investigate whether the biomechanical effects of LWIs depend on individual foot alignment and to examine the relationship between change in KAM and changes in foot and ankle biomechanics when wearing LWIs. Twenty-one patients participated in this study. They were categorized into normal or abnormal foot groups based on the foot posture index (FPI)...
June 15, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28644770/the-impact-of-photovoltaic-pv-installations-on-downwind-particulate-matter-concentrations-results-from-field-observations-at-a-550-mwac-utility-scale-pv-plant
#2
Dwarakanath Ravikumar, Parikhit Sinha
With utility-scale photovoltaic(PV) projects increasingly developed in dry and dust-prone geographies with high solar insolation, there is a critical need to analyze the impacts of PV installations on the resulting particulate-matter(PM) concentrations which have environmental and health impacts. This study is the first to quantify the impact of a utility-scale PV plant on PM concentrations downwind of the project site. Background, construction and post-construction PM2.5 and PM10 concentration data are collected from four beta attenuation monitor(BAM) stations over 3 years...
June 23, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28642694/ehlers-danlos-syndrome-hypermobility-type-impact-of-somatosensory-orthoses-on-postural-control-a-pilot-study
#3
Emma G Dupuy, Pascale Leconte, Elodie Vlamynck, Audrey Sultan, Christophe Chesneau, Pierre Denise, Stéphane Besnard, Boris Bienvenu, Leslie M Decker
Elhers-Danlos syndrome (EDS) is the clinical manifestation of connective tissue disorders, and comprises several clinical forms with no specific symptoms and selective medical examinations which result in a delay in diagnosis of about 10 years. The EDS hypermobility type (hEDS) is characterized by generalized joint hypermobility, variable skin hyperextensibility and impaired proprioception. Since somatosensory processing and multisensory integration are crucial for both perception and action, we put forth the hypothesis that somatosensory deficits in hEDS patients may lead, among other clinical symptoms, to misperception of verticality and postural instability...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28632050/effects-of-turf-and-cleat-footwear-on-plantar-load-distributions-in-adolescent-american-football-players-during-resisted-pushing
#4
Jeffrey B Taylor, Anh-Dung Nguyen, Janet R Griffin, Kevin R Ford
Metatarsal and midfoot injuries are common in American football. Footwear design may influence injury rates by altering plantar foot loading patterns in these regions. The purpose of this study was to determine the effect of cleat design on in-shoe plantar foot loading during a football-specific, resisted pushing task. Twenty competitive football players (age 14.7 ± 1.8 years, height 1.72 ± 0.10 m, and mass 71.8 ± 26.9 kg) completed three trials of pushing a weighted sled at maximal effort in a standard shoe (CLEAT) and artificial turf-specific shoe (TURF), with flexible in-shoe force measuring insoles...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28627227/smarter-sole-survival
#5
Bijan Najafi, Eyal Ron, Ana Enriquez, Ivan Marin, Javad Razjouyan, David G Armstrong
OBJECTIVE: This study examined adherence to alert-based cues for plantar pressure offloading in patients with diabetic foot disease. METHOD AND DESIGN: Participants (n = 17) with in diabetic foot remission (history of neuropathic ulceration) were instructed to wear a smart insole system (the SurroSense Rx, Orpyx Medical Technologies Inc, Calgary, Canada) over a three-month period. This device is designed to cue offloading to manage unprotected sustained plantar pressures in an effort to prevent foot ulceration...
January 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28614253/a-systematic-review-and-meta-analysis-into-the-effect-of-lateral-wedge-arch-support-insoles-for-reducing-knee-joint-load-in-patients-with-medial-knee-osteoarthritis
#6
Fei Xing, Bin Lu, Ming-Jie Kuang, Ying Wang, Yun-Long Zhao, Jie Zhao, Lei Sun, Yan Wang, Jian-Xiong Ma, Xin-Long Ma
OBJECTIVE: The aim of this study was to evaluate the immediate effects of lateral wedge arch support insoles (LWAS) on reducing the knee joint load in patients with medial knee osteoarthritis (OA) compared with an appropriate control. METHODS: Databases including Medline, EMBASE, Web of Science, Wiley Online Library, Cochrane library, and Google Scholar were searched with no limits on study date or language, from the earliest available date to October 31, 2016. The included studies had to have the aim of reducing knee load and have an appropriate control...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28599045/stress-fractures-etiology-epidemiology-diagnosis-treatment-and-prevention
#7
Joseph J Knapik, Katy Reynolds, Kyle L Hoedebecke
Stress fractures are part of a continuum of changes in healthy bones in response to repeated mechanical deformation from physical activity. If the activity produces excessive repetitive stress, osteoclastic processes in the bone may proceed at a faster pace than osteoblastic processes, thus weakening the bone and augmenting susceptibility to stress fractures. Overall stress fracture incidence is about three cases per 1,000 in active duty Servicemembers, but it is much higher among Army basic trainees: 19 per 1,000 for men and 80 per 1,000 for women...
2017: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28599012/influence-of-textured-insoles-on-dynamic-postural-balance-of-young-dancers
#8
Nili Steinberg, Oren Tirosh, Roger Adams, Janet Karin, Gordon Waddington
BACKGROUND: Postural balance (PB) is a significant factor in dance performance and injury prevention. We aimed to determine whether the use of textured insoles inserted into casual walking shoes of dancers improved their dynamic PB and whether dancers with previous injury manifested different dynamic PB compared with non-injured dancers. METHODS: In this crossover design study, 26 ballet dancers from the Australian Ballet School, aged 14-19 yrs, were divided into two groups matched by sex and class levels...
June 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28599003/measurement-agreement-between-a-newly-developed-sensing-insole-and-traditional-laboratory-based-method-for-footstrike-pattern-detection-in-runners
#9
Roy T H Cheung, Winko W An, Ivan P H Au, Janet H Zhang, Zoe Y S Chan, Alfred Man, Fannie O Y Lau, Melody K Y Lam, K K Lau, C Y Leung, N W Tsang, Louis K Y Sze, Gilbert W K Lam
This study introduced a novel but simple method to continuously measure footstrike patterns in runners using inexpensive force sensors. Two force sensing resistors were firmly affixed at the heel and second toe of both insoles to collect the time signal of foot contact. A total of 109 healthy young adults (42 males and 67 females) were recruited in this study. They ran on an instrumented treadmill at 0°, +10°, and -10° inclinations and attempted rearfoot, midfoot, and forefoot landings using real time visual biofeedback...
2017: PloS One
https://www.readbyqxmd.com/read/28589390/-unloading-with-insoles-orthotics-and-braces-pre-operative-leg-axis-correction-or-independent-treatment
#10
REVIEW
M Kess, C Stärke, P Henle
BACKGROUND: Knee osteoarthritis (OA) is a leading joint disease. In most of the early stages it does not involve the whole knee joint. Often, symptoms only or mainly concern the medial compartment combined with a slight varus malalignment. OBJECTIVES: Do valgus braces or laterally wedged insoles influence biomechanics and thus improve pain and function in patients with medial OA? Does the OA grade, severity of malalignment or patient's body weight predict the efficacy of the above-mentioned conservative treatment options? MATERIALS AND METHODS: The current literature was reviewed in regard to biomechanical changes to joint loading and their correlation to clinical results...
June 6, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28582774/a-giant-planet-undergoing-extreme-ultraviolet-irradiation-by-its-hot-massive-star-host
#11
B Scott Gaudi, Keivan G Stassun, Karen A Collins, Thomas G Beatty, George Zhou, David W Latham, Allyson Bieryla, Jason D Eastman, Robert J Siverd, Justin R Crepp, Erica J Gonzales, Daniel J Stevens, Lars A Buchhave, Joshua Pepper, Marshall C Johnson, Knicole D Colon, Eric L N Jensen, Joseph E Rodriguez, Valerio Bozza, Sebastiano Calchi Novati, Giuseppe D'Ago, Mary T Dumont, Tyler Ellis, Clement Gaillard, Hannah Jang-Condell, David H Kasper, Akihiko Fukui, Joao Gregorio, Ayaka Ito, John F Kielkopf, Mark Manner, Kyle Matt, Norio Narita, Thomas E Oberst, Phillip A Reed, Gaetano Scarpetta, Denice C Stephens, Rex R Yeigh, Roberto Zambelli, B J Fulton, Andrew W Howard, David J James, Matthew Penny, Daniel Bayliss, Ivan A Curtis, D L DePoy, Gilbert A Esquerdo, Andrew Gould, Michael D Joner, Rudolf B Kuhn, Jonathan Labadie-Bartz, Michael B Lund, Jennifer L Marshall, Kim K McLeod, Richard W Pogge, Howard Relles, Christopher Stockdale, T G Tan, Mark Trueblood, Patricia Trueblood
The amount of ultraviolet irradiation and ablation experienced by a planet depends strongly on the temperature of its host star. Of the thousands of extrasolar planets now known, only six have been found that transit hot, A-type stars (with temperatures of 7,300-10,000 kelvin), and no planets are known to transit the even hotter B-type stars. For example, WASP-33 is an A-type star with a temperature of about 7,430 kelvin, which hosts the hottest known transiting planet, WASP-33b (ref. 1); the planet is itself as hot as a red dwarf star of type M (ref...
June 22, 2017: Nature
https://www.readbyqxmd.com/read/28582260/a-personalized-self-management-rehabilitation-system-for-stroke-survivors-a-quantitative-gait-analysis-using-a-smart-insole
#12
Richard John Davies, Jack Parker, Paul McCullagh, Huiru Zheng, Chris Nugent, Norman David Black, Susan Mawson
BACKGROUND: In the United Kingdom, stroke is the single largest cause of adult disability and results in a cost to the economy of £8.9 billion per annum. Service needs are currently not being met; therefore, initiatives that focus on patient-centered care that promote long-term self-management for chronic conditions should be at the forefront of service redesign. The use of innovative technologies and the ability to apply these effectively to promote behavior change are paramount in meeting the current challenges...
November 8, 2016: JMIR Rehabil Assist Technol
https://www.readbyqxmd.com/read/28573909/mobile-gait-analysis-via-eshoes-instrumented-shoe-insoles-a-pilot-study-for-validation-against-the-gold-standard-gaitrite-%C3%A2
#13
Harald Jagos, Katharina Pils, Michael Haller, Claudia Wassermann, Christa Chhatwal, Dietmar Rafolt, Frank Rattay
Clinical gait analysis contributes massively to rehabilitation support and improvement of in-patient care. The research project eSHOE aspires to be a useful addition to the rich variety of gait analysis systems. It was designed to fill the gap of affordable, reasonably accurate and highly mobile measurement devices. With the overall goal of enabling individual home-based monitoring and training for people suffering from chronic diseases, affecting the locomotor system. Motion and pressure sensors gather movement data directly on the (users) feet, store them locally and/or transmit them wirelessly to a PC...
July 2017: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/28559352/tropical-cyclone-activity-enhanced-by-sahara-greening-and-reduced-dust-emissions-during-the-african-humid-period
#14
Francesco S R Pausata, Kerry A Emanuel, Marc Chiacchio, Gulilat T Diro, Qiong Zhang, Laxmi Sushama, J Curt Stager, Jeffrey P Donnelly
Tropical cyclones (TCs) can have devastating socioeconomic impacts. Understanding the nature and causes of their variability is of paramount importance for society. However, historical records of TCs are too short to fully characterize such changes and paleo-sediment archives of Holocene TC activity are temporally and geographically sparse. Thus, it is of interest to apply physical modeling to understanding TC variability under different climate conditions. Here we investigate global TC activity during a warm climate state (mid-Holocene, 6,000 yBP) characterized by increased boreal summer insolation, a vegetated Sahara, and reduced dust emissions...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28558724/feature-selection-for-elderly-faller-classification-based-on-wearable%C3%A2-sensors
#15
Jennifer Howcroft, Jonathan Kofman, Edward D Lemaire
BACKGROUND: Wearable sensors can be used to derive numerous gait pattern features for elderly fall risk and faller classification; however, an appropriate feature set is required to avoid high computational costs and the inclusion of irrelevant features. The objectives of this study were to identify and evaluate smaller feature sets for faller classification from large feature sets derived from wearable accelerometer and pressure-sensing insole gait data. METHODS: A convenience sample of 100 older adults (75...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28547924/effect-of-a-thin-customized-insole-on-pain-and-walking-ability-in-rheumatoid-arthritis-a-randomized-study
#16
Berit Hagemoen Linberg, Anne Marit Mengshoel
OBJECTIVE: The aim of the study was to investigate the immediate effects of a thin, easily customizable insole on pain and walking ability in patients with rheumatoid arthritis (RA) who have forefoot pain, and to determine whether the insoles were in use 1 year afterwards. DESIGN: An experimental, assessor-blinded design was applied to compare the immediate effects when walking with or without insoles in random order. After 1 year, a structured telephone interview was conducted...
May 25, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28532871/stabilometric-analysis-of-the-effect-of-postural-insoles-on-static-balance-in-patients-with-hemiparesis-a-randomized-controlled-clinical-trial
#17
Luiz Alfredo Braun Ferreira, Manuela Galli, Roberta Delasta Lazzari, Arislander Jonathan Lopes Dumont, Verônica Cimolin, Claudia Santos Oliveira
BACKGROUND: Stroke is one of the main causes of disability among adults. OBJECTIVE: The aim of the present study was to analyze the effect of postural insoles on static balance in individuals with stroke. METHODS: Twenty-four strokes survivors with hemiparesis were recruited from the rehabilitation clinics of the university and randomly allocated to two groups: experimental and control group. The subjects were analyzed for stabilometry, immediately following insole placement and after three months of insole usage, with eyes open and eyes closed...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28513212/an-optical-fiber-based-smart-textile-smart-socks-to-manage-biomechanical-risk-factors-associated-with-diabetic-foot-amputation
#18
Bijan Najafi, Hooman Mohseni, Gurtej S Grewal, Talal K Talal, Robert A Menzies, David G Armstrong
OBJECTIVE: This study aimed to validate a smart-textile based on fiber-optics for simultaneous measurement of plantar temperature, pressure, and joint angles in patients with diabetic peripheral neuropathy (DPN). METHODS: After in-vitro validation in the laboratory, 33 eligible subjects with DPN were recruited (age: 58 ± 8 years, BMI: 31.5 ± 8 kg/m(2)) for assessing plantar pressure and temperature during habitual gait-speed in a clinical-setting. All participants were asked to walk at their habitual speed while wearing a pair of sensorized socks made from highly flexible fiber optics (SmartSox)...
May 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28506678/adaptive-super-twisting-sliding-mode-control-for-a-three-phase-single-stage-grid-connected-differential-boost-inverter-based-photovoltaic-system
#19
Akshaya K Pati, N C Sahoo
This paper presents an adaptive super-twisting sliding mode control (STC) along with double-loop control for voltage tracking performance of three-phase differential boost inverter and DC-link capacitor voltage regulation in grid-connected PV system. The effectiveness of the proposed control strategies are demonstrated under realistic scenarios such as variations in solar insolation, load power demand, grid voltage, and transition from grid-connected to standalone mode etc. Additional supplementary power quality control functions such as harmonic compensation, and reactive power management are also investigated with the proposed control strategy...
May 12, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28503459/changes-in-resting-calcaneal-stance-position-angle-following-insole-fitting-in-children-with-flexible-flatfoot
#20
Eui Chang Lee, Myeong Ok Kim, Hyo Sang Kim, Sang Eun Hong
OBJECTIVE: To clarify the relationship of the initial radiologic and a biomechanical parameter at first clinical visit, and define the effectiveness of modified insole, following insole fitting in children with flexible flatfoot. METHODS: Children aged less than 13 years with flexible flatfoot were enrolled. The total number of subjects was 66 (33 boys, 33 girls). The subjects were divided into 5 subgroups, based on age: 1-2, 3-4, 5-6, 7-9, and 10-12 years. The mean time period between the initial & final examination for their resting calcaneal stance position angle (RCSPA) was 24 months...
April 2017: Annals of Rehabilitation Medicine
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