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https://www.readbyqxmd.com/read/29140980/prokaryotic-diversity-and-biogeochemical-characteristics-of-benthic-microbial-ecosystems-at-la-brava-a-hypersaline-lake-at-salar-de-atacama-chile
#1
Maria Eugenia Farias, Maria Cecilia Rasuk, Kimberley L Gallagher, Manuel Contreras, Daniel Kurth, Ana Beatriz Fernandez, Daniel Poiré, Fernando Novoa, Pieter T Visscher
Benthic microbial ecosystems of Laguna La Brava, Salar de Atacama, a high altitude hypersaline lake, were characterized in terms of bacterial and archaeal diversity, biogeochemistry, (including O2 and sulfide depth profiles and mineralogy), and physicochemical characteristics. La Brava is one of several lakes in the Salar de Atacama where microbial communities are growing in extreme conditions, including high salinity, high solar insolation, and high levels of metals such as lithium, arsenic, magnesium, and calcium...
2017: PloS One
https://www.readbyqxmd.com/read/29134317/the-impact-of-canal-flare-index-on-leg-length-discrepancy-after-total-hip-arthroplasty
#2
Peter Brumat, Borut Pompe, Vane Antolič, Blaž Mavčič
INTRODUCTION: The femoral stem should protrude from femur by an appropriate vertical distance to allow leg length equalization at hip arthroplasty; this distance depends on the size/shape of medullary canal and implant. The relationship between femoral morphology and achievability of leg length restoration is currently unclear. Our aim was to examine the impact of the femoral canal flare index (CFI) on the risk of leg length discrepancy (LLD) after total hip arthroplasty with different femoral stems...
November 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29095908/textured-insoles-affect-the-plantar-pressure-distribution-while-elite-rowers-perform-on-an-indoor-rowing-machine
#3
Taian Vieira, Alberto Botter, Laura Gastaldi, Isabel C N Sacco, Francesco Martelli, Claudia Giacomozzi
INTRODUCTION: During rowing, foot positioning on the foot stretcher is critical to optimise muscle force transmission and boat propulsion. Following the beneficial effects of textured insoles on gait and balance, this study aims at investigating whether passive stimulation of foot mechanoreceptors induced by these insoles may contribute to improving foot loading pattern and symmetry during indoor rowing. METHODS: Eleven elite rowers were assessed during controlled training on a standard rowing machine while wearing control, low-density or high-density textured insoles...
2017: PloS One
https://www.readbyqxmd.com/read/29083125/analysis-of-modifications-of-the-plantar-parameters-after-the-use-of-a-proprioceptive-insole-regular-gait
#4
Carlotta O Nobili, Elena Mannacio, Antonello Ciccarelli, Filippo Tajani, Maurizio Ripani
BACKGROUND: The human foot is the basis of support and propulsion for gait and it provides support and flexibility for effective weight transfer. Therefore a correct distribution of loads and pressures on the surface of the foot is of fundamental importance to ensure a correct walking and maintaining balance in both static and dynamic conditions. The aim of our study was to evaluate the effects of innovative insoles, named Regular Gait, on plantar pressures distribution during standing position and walking in healthy subjects; therefore, we investigated whether these effects are maintained after insole removing...
October 27, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29081149/-effect-of-simulating-leg-length-inequality-on-spinal-and-pelvic-posture-in-the-elderly
#5
H F Zhang, J L Liao, M Ji, S Y Tang, J F Jin, L Chen, L J Wu
Objective: To study the effects of simulating leg length inequality on the spine and pelvic posture in standing and walking states and to explore their compensatory laws. Methods: From January to April, a total of 44 healthy volunteers were rasterstereographically examined for spine and pelvis in Institute of Digitized Medicine, Wenzhou Medical University and Department of Orthopaedics, First Affiliated Hospital of Wenzhou Medical University.Volunteers wore uniform shoes, and single 5 mm thick insoles were customized...
October 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29079232/foot-pressure-changes-before-and-after-ankle-fusion-a-pedobarograph-study
#6
Gabriel Ayonmigbesimi Akra, Akinwande Olusanya Adedapo
We performed a case-control study with the purpose of establishing the pressure patterns in the soles of the feet of patients with ankle osteoarthritis, determining whether the pattern changed after treating the arthritis with ankle joint fusion (arthrodesis), and whether the change is significant. We also studied the benefits of ankle fusion with respect to the Short-Form 36-item Health Survey and the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot scale. The study included 18 participants (9 in the study group and 9 in the control group) to reach statistical significance with a 95% confidence interval (CI)...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29065668/how-arch-support-insoles-help-persons-with-flatfoot-on-uphill-and-downhill-walking
#7
Yu-Ping Huang, Kwantae Kim, Chen-Yi Song, Yat-Hon Chen, Hsien-Te Peng
The main purpose of this study was to investigate the effect of arch support insoles on uphill and downhill walking of persons with flatfoot. Sixteen healthy college students with flatfoot were recruited in this study. Their heart rate, peak oxygen uptake (VO2), and median frequency (MDF) of surface electromyogram were recorded and analyzed. Nonparametric Wilcoxon signed-rank test was used for statistical analysis. The main results were as follows: (a) peak VO2 significantly decreased with arch support insoles compared with flat insoles during uphill and downhill walking (arch support insole versus flat insole: uphill walking, 20...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29065655/the-effect-of-arch-height-and-material-hardness-of-personalized-insole-on-correction-and-tissues-of-flatfoot
#8
Shonglun Su, Zhongjun Mo, Junchao Guo, Yubo Fan
Flat foot is one of the common deformities in the youth population, seriously affecting the weight supporting and daily exercising. However, there is lacking of quantitative data relative to material selection and shape design of the personalized orthopedic insole. This study was to evaluate the biomechanical effects of material hardness and support height of personalized orthopedic insole on foot tissues, by in vivo experiment and finite element modeling. The correction of arch height increased with material hardness and support height...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29060668/one-size-fits-all-electronics-for-insole-based-activity-monitoring
#9
Nagaraj Hegde, Matthew Bries, Edward Melanson, Edward Sazonov
Footwear based wearable sensors are becoming prominent in many areas of monitoring health and wellness, such as gait and activity monitoring. In our previous research we introduced an insole based wearable system SmartStep, which is completely integrated in a socially acceptable package. From a manufacturing perspective, SmartStep's electronics had to be custom made for each shoe size, greatly complicating the manufacturing process. In this work we explore the possibility of making a universal electronics platform for SmartStep - SmartStep 3...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29060575/gait-variability-assessment-in-neuro-degenerative-patients-by-measuring-complexity-of-independent-sources
#10
Mehrdad Heydarzadeh, Chin-Tuan Tan, Mehrdad Nourani, Sarah Ostadabbas
Patients suffering from neuro-degenerative diseases have difficulties with normal locomotion. This problem progresses with the course of disease. Gait assessment is an effective way of diagnosing the disease and quantifying its progress which can effectively prevent falls. In this paper, an automatic assessment method for analyzing gait data obtained by force sensor insoles is introduced. The gait analysis method is based on measuring the complexity of gait data after extracting independent sources. The results are promising an average accuracy of 94% for three different diseases...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29056595/effectiveness-of-foot-orthoses-for-the-prevention-of-lower-limb-overuse-injuries-in-naval-recruits-a-randomised-controlled-trial
#11
Daniel R Bonanno, George S Murley, Shannon E Munteanu, Karl B Landorf, Hylton B Menz
OBJECTIVES: To evaluate the effectiveness of prefabricated foot orthoses for the prevention of lower limb overuse injuries in naval recruits. METHODS: This study was a participant-blinded and assessor-blinded, parallel-group randomised controlled trial. Three-hundred and six participants aged 17-50 years who undertook 11 weeks of initial defence training at the Royal Australian Navy Recruit School (Cerberus, Australia) were randomised to a control group (flat insoles, n=153) or an intervention group (contoured, prefabricated foot orthoses, n=153)...
October 22, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29039282/spatial-variation-of-pneumonia-hospitalization-risk-in-twin-cities-metro-area-minnesota
#12
P Y Iroh Tam, B Krzyzanowski, J M Oakes, L Kne, S Manson
Fine resolution spatial variability in pneumonia hospitalization may identify correlates with socioeconomic, demographic and environmental factors. We performed a retrospective study within the Fairview Health System network of Minnesota. Patients 2 months of age and older hospitalized with pneumonia between 2011 and 2015 were geocoded to their census block group, and pneumonia hospitalization risk was analyzed in relation to socioeconomic, demographic and environmental factors. Spatial analyses were performed using Esri's ArcGIS software, and multivariate Poisson regression was used...
October 17, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29037645/postural-insoles-on-gait-in-children-with-cerebral-palsy-randomized-controlled-double-blind-clinical-trial
#13
Hugo Pasin Neto, Luanda André Collange Grecco, Luis Alfredo Braun Ferreira, Natália Almeida Carvalho Duarte, Manuela Galli, Claudia Santos Oliveira
The aim of the present study was to assess the effect of postural insoles on gait performance in children with Cerebral Palsy (CP). Twenty four children between four and 12 years of age were randomly allocated either the control group (n = 12) or experimental group (n = 12). The control group used placebo insoles and the experimental group used postural insoles. Three-dimensional gait analysis was performed under three conditions: barefoot, in shoes and in shoes with insoles. Three evaluations were carried out: 1)immediately following placement of the insoles; 2)after three months of insole use; and 3)one month after suspending insole use...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29037401/out-on-a-limb-thermal-microenvironments-in-the-tropical-forest-canopy-and-their-relevance-to-ants
#14
Alyssa Y Stark, Benjamin J Adams, Jennifer L Fredley, Stephen P Yanoviak
Small, cursorial ectotherms like ants often are immersed in the superheated air layers that develop millimeters above exposed, insolated surfaces (i.e., the thermal boundary layer). We quantified the thermal microenvironments around tree branches in the tropical rainforest canopy, and explored the effects of substrate color on the internal body temperature and species composition of arboreal ants. Branch temperatures during the day (09:00-16:00) were hottest (often > 50°C) and most variable on the upper surface, while the lowest and least variable temperatures occurred on the underside...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29036349/seasonal-variations-as-predictive-factors-of-the-comet-assay-parameters-a-retrospective-study
#15
Marko Geric, Goran Gajski, Višnja Orešcanin, Vera Garaj-Vrhovac
Since there are several predicting factors associated with the comet assay parameters, we have decided to assess the impact of seasonal variations on the comet assay results. A total of 162 volunteers were retrospectively studied, based on the date when blood donations were made. The groups (winter, spring, summer and autumn) were matched in terms of age, gender, smoking status, body mass index and medical diagnostic exposure in order to minimise the impact of other possible predictors. Means and medians of the comet assay parameters were higher when blood was sampled in the warmer period of the year, the values of parameters being the highest during summer...
September 19, 2017: Mutagenesis
https://www.readbyqxmd.com/read/29035979/effect-of-a-commercially-available-footwear-insole-on-biomechanical-variables-associated-with-common-running-injuries
#16
Ryan T Lewinson, Darren J Stefanyshyn
OBJECTIVE: To determine whether Dr. Scholl's Active Series (DSAS) footwear insoles alter biomechanical variables associated with running injuries. DESIGN: Randomized, controlled experiment. SETTING: Sport medicine and biomechanics gait analysis laboratory. PARTICIPANTS: Fifteen healthy adults. INTERVENTIONS: The control condition was the participant's own athletic footwear. The experimental condition was the participant's own athletic footwear plus a DSAS insole...
October 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29023505/end-member-modeling-of-the-grain-size-record-of-sikouzi-fine-sediments-in-ningxia-china-and-implications-for-temperature-control-of-neogene-evolution-of-east-asian-winter-monsoon
#17
Hanchao Jiang, Shiming Wan, Xiaolin Ma, Ning Zhong, Debo Zhao
The Late Cenozoic East Asian winter monsoon (EAWM) enhancement has been attributed to several factors, such as uplift of the Tibetan Plateau, retreat of the Paratethys Sea, and global cooling related to polar ice volume increment. However, the fundamental forcing factors remain enigmatic due to the absence of long and continuous climate records and sensitive indicators. Here we reanalyzed the published grain-size record of Sikouzi fine sediments in the western Chinese Loess Plateau through end-member (EM) modeling...
2017: PloS One
https://www.readbyqxmd.com/read/29021632/arctic-cryosphere-and-milankovitch-forcing-of-great-basin-paleoclimate
#18
Matthew Lachniet, Yemane Asmerom, Victor Polyak, Rhawn Denniston
Although Great Basin paleoclimate history has been examined for more than a century, the orbital-scale paleoclimate forcings remain poorly understood. Here we show - by a detailed phasing analysis of a well-dated stalagmite δ(18)O time series - that Great Basin paleoclimate is linearly related to, but lagged, the 23,000 yr precession cycle in northern hemisphere summer insolation by an average of 3240 years (-900 to 6600 yr range) over the last two glacial cycles. We interpret these lags as indicating that Great Basin climate is sensitive to and indirectly forced by changes in the cryosphere, as evidenced by fast and strong linkages to global ice volume and Arctic paleoclimate indicators...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28985487/lower-extremity-dynamics-of-walking-in-neuropathic-diabetic-patients-who-wear-a-forefoot-offloading-shoe
#19
Sicco A Bus, Josina C Maas, Nicoline M Otterman
BACKGROUND: A forefoot-offloading shoes has a negative-heel rocker outsole and is used to treat diabetic plantar forefoot ulcers, but its mechanisms of action and their association with offloading and gait stability are not sufficiently clear. METHODS: Ten neuropathic diabetic patients were tested in a forefoot-offloading shoe and subsequently in a control shoe with no specific offloading construction, both worn on the right foot (control shoe on left), while walking at 1...
October 2, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28980032/-rupture-of-the-tendon-of-the-tibialis-anterior-muscle-etiology-clinical-symptoms-and-treatment
#20
REVIEW
H Waizy, B Bouillon, C Stukenborg-Colsman, D Yao, S Ettinger, L Claassen, C Plaass, K Danniilidis, D Arbab
Ruptures of the tendon of the tibialis anterior muscle tend to occur in the context of degenerative impairments. This mainly affects the distal avascular portion of the tendon. Owing to the good compensation through the extensor hallucis longus and extensor digitorum muscles, diagnosis is often delayed. In addition to the clinical examination, magnetic resonance inaging (MRI) diagnostics are of particular importance, although damage or rupture of the tendon can also be demonstrated sonographically. Therapeutic measures include conservative or operative measures, depending on the clinical symptoms...
October 4, 2017: Der Unfallchirurg
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