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https://www.readbyqxmd.com/read/28110146/enhanced-arm-swing-alters-interlimb-coordination-during-overground-walking-in-individuals-with-traumatic-brain-injury
#1
Ksenia I Ustinova, Joseph E Langenderfer, Nilanthy Balendra
The current study investigated interlimb coordination in individuals with traumatic brain injury (TBI) during overground walking. The study involved 10 participants with coordination, balance, and gait abnormalities post-TBI, as well as 10 sex- and age-matched healthy control individuals. Participants walked 12m under two experimental conditions: 1) at self-selected comfortable walking speeds; and 2) with instructions to increase the amplitude and out-of-phase coordination of arm swinging. The gait was assessed with a set of spatiotemporal and kinematic parameters including the gait velocity, step length and width, double support time, lateral displacement of the center of mass, the amplitude of horizontal trunk rotation, and angular motions at shoulder and hip joints in sagittal plane...
January 19, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28110097/a-dumbbell-shaped-hyperechoic-mass-in-the-common-hepatic-artery-swinging-with-the-heartbeat
#2
Hideyuki Komekado, Toru Kimura, Yukio Osaki
No abstract text is available yet for this article.
January 18, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28105945/assessment-of-transfemoral-amputees-using-a-passive-microprocessor-controlled-knee-versus-an-active-powered-microprocessor-controlled-knee-for-level-walking
#3
Veerle Creylman, Ingrid Knippels, Paul Janssen, Evelyne Biesbrouck, Knut Lechler, Louis Peeraer
BACKGROUND: In transfemoral (TF) amputees, the forward propulsion of the prosthetic leg in swing has to be mainly carried out by hip muscles. With hip strength being the strongest predictor to ambulation ability, an active powered knee joint could have a positive influence, lowering hip loading and contributing to ambulation mobility. To assess this, gait of four TF amputees was measured for level walking, first while using a passive microprocessor-controlled prosthetic knee (P-MPK), subsequently while using an active powered microprocessor-controlled prosthetic knee (A-MPK)...
December 19, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28103196/sensor-based-gait-parameter-extraction-with-deep-convolutional-neural-networks
#4
Julius Hannink, Thomas Kautz, Cristian Pasluosta, Karl-Gunter Gassmann, Jochen Klucken, Bjoern Eskofier
Measurement of stride-related, biomechanical parameters is the common rationale for objective gait impairment scoring. State-of-the-art double integration approaches to extract these parameters from inertial sensor data are, however, limited in their clinical applicability due to the underlying assumptions. To overcome this, we present a method to translate the abstract information provided by wearable sensors to context-related expert features based on deep convolutional neural networks. Regarding mobile gait analysis, this enables integration-free and data-driven extraction of a set of eight spatio-temporal stride parameters...
December 8, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28098619/as-the-pendulum-swings-from-the-needle-to-the-scalpel-the-evolution-of-emergency-airway-management-will-continue
#5
Hilary P Grocott
No abstract text is available yet for this article.
February 2017: Anesthesiology
https://www.readbyqxmd.com/read/28093370/a-comparison-of-locomotor-therapy-interventions-partial-body-weight-supported-treadmill-lokomat%C3%A2-and-g-eo%C3%A2-training-in-persons-with-traumatic-brain-injury
#6
Alberto Esquenazi, Stella Lee, Amanda Wikoff, Andrew Packel, Theresa Toczylowski, John Feeley
BACKGROUND: Literature in the application of gait training techniques in persons with traumatic brain injury is limited. Current techniques require of multiple staff and are physically demanding. The use of a robotic locomotor training may provide improved training capacity for this population. OBJECTIVE: To examine the impact of three different modes of locomotor therapy on gait velocity and spatiotemporal symmetry using: an end effector robot (G-EO™); a robotic exoskeleton (Lokomat®) and manual assisted partial-body weight supported treadmill training (PBWSTT) in participants with traumatic brain injury...
January 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28092953/sub-10-nm-nanopattern-architecture-for-2d-material-field-effect-transistors
#7
Kai Xu, Dongxue Chen, Fengyou Yang, Zhenxing Wang, Lei Yin, Feng Wang, Ruiqing Cheng, Kaihui Liu, Jie Xiong, Qian Liu, Jun He
Two-dimensional materials (2DMs) are competitive candidates in replacing or supplementing conventional semiconductors owing to their atomically uniform thickness. However, current conventional micro/nanofabrication technologies realize hardly ultrashort channel and integration, especially for sub-10 nm. Meanwhile, experimental device performance associated with the scaling of dimension needs to be investigated, due to the short channel effects. Here, we show a novel and universal technological method to fabricate sub-10 nm gaps with sharp edges and steep sidewalls...
January 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28092575/a-cmos-current-steering-neurostimulation-array-with-integrated-dac-calibration-and-charge-balancing
#8
Elliot Greenwald, Christoph Maier, Qihong Wang, Robert Beaulieu, Ralph Etienne-Cummings, Gert Cauwenberghs, Nitish Thakor
An 8-channel current steerable, multi-phasic neural stimulator with on-chip current DAC calibration and residue nulling for precise charge balancing is presented. Each channel consists of two sub-binary radix DACs followed by wide-swing, high output impedance current buffers providing time-multiplexed source and sink outputs for anodic and cathodic stimulation. A single integrator is shared among channels and serves to calibrate DAC coefficients and to closely match the anodic and cathodic stimulation phases...
January 16, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28088660/processes-of-anticipatory-postural-adjustment-and-step-movement-of-gait-initiation
#9
Hiroki Mizusawa, Yasutomo Jono, Yasuyuki Iwata, Atsushi Kinoshita, Koichi Hiraoka
The purpose of this study was to elucidate whether the anticipatory postural adjustment (APA) and focal step movement of gait initiation are produced as a single process or different processes and whether the APA receives an inhibitory drive from the ongoing stop process of gait initiation. Healthy humans initiated gait in response to a first visual cue that instructed the initial swing leg. In some trials, a switch or stop cue was also provided after the first cue. When the stop cue was provided, participants withheld gait initiation...
January 13, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28076508/swing-mesh-versus-modified-kugel-mesh-for-primary-inguinal-hernia-repair-a-prospective-randomized-clinical-trial
#10
Zhiyuan Zhou, Xingchen Hu, Beili Zhang, Yan Gu
PURPOSE: To evaluate the safety and efficacy of a new mesh in the pre-peritoneal repair of inguinal hernia. METHODS: We randomly divided 120 patients undergoing pre-peritoneal repair into 2 groups between March 2012 and December 2013. The patients were randomized to receive the Swing mesh (n=60; study group) or the Modified Kugel mesh (n=60; control group). The primary end point of this study was to compare postoperative groin pain of the two groups. Complications, recurrence and analgesic use were also recorded...
December 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28074961/tunable-electrical-properties-of-multilayer-hfse2-field-effect-transistors-by-oxygen-plasma-treatment
#11
Moonshik Kang, Servin Rathi, Inyeal Lee, Lijun Li, Muhammad Atif Khan, Dongsuk Lim, Yoontae Lee, Jinwoo Park, Sun Jin Yun, Doo-Hyeb Youn, Chungsam Jun, Gil-Ho Kim
HfSe2 field effect transistors are systematically studied in order to selectively tune their electrical properties by optimizing layer thickness and oxygen plasma treatment. The optimized plasma-treated HfSe2 field effect transistors showed a high on/off ratio improvement of four orders of magnitude, from 27 to 10(5), a field effect mobility increase from 2.16 to 3.04 cm(2) V(-1) s(-1), a subthreshold swing improvement from 30.6 to 4.8 V dec(-1), and a positive threshold voltage shift between depletion mode and enhancement mode, from -7...
January 11, 2017: Nanoscale
https://www.readbyqxmd.com/read/28074784/electronic-properties-and-transistors-of-the-nbs2-mos2-nbs2-nr-heterostructure
#12
Qi Liu, Fangping Ouyang, Zhixiong Yang, Shenglin Peng, Wenzhe Zhou, Hui Zou, Mengqiu Long, Jiangling Pan
Based on density function theory and nonequilibrium Green's functions, we construct a NbS2-MoS2-NbS2 NR inplane heterostructure. The effects of channel length, width, chirality and vacancy of the heterostructure on transport properties are systematically investigated. The electron transport of the armchair-edge heterostructure device shows ballistic transport properties, while the zigzag-edge heterostructure device exhibits resonance tunneling transport properties. Further study indicates NbS2-MoS2-NbS2 field effect transistors (FETs) to be excellent ambipolar transistors...
January 11, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28069805/different-lymphocyte-populations-direct-dichotomous-eosinophil-or-neutrophil-responses-to-pulmonary-cryptococcus-infection
#13
Darin L Wiesner, Kyle D Smith, Sakeen W Kashem, Paul R Bohjanen, Kirsten Nielsen
Many pulmonary infections elicit lymphocyte responses that lead to an accumulation of granulocytes in the lungs. A variety of lymphocytes are capable of directing eosinophils or neutrophils to the lungs, but the contribution of each subset remains enigmatic. In this study, we used a murine model to examine lymphocyte subsets that ultimately drive the eosinophil or neutrophil response to infection with the fungal pathogen Cryptococcus neoformans. We show that granulocytes are produced in the bone marrow, released into the blood stream, and accumulate in the lungs under the instruction of lung parenchymal lymphocytes...
January 9, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28069772/swings-and-roundabouts-optical-poincar%C3%A3-spheres-for-polarization-and-gaussian-beams
#14
M R Dennis, M A Alonso
The connection between Poincaré spheres for polarization and Gaussian beams is explored, focusing on the interpretation of elliptic polarization in terms of the isotropic two-dimensional harmonic oscillator in Hamiltonian mechanics, its canonical quantization and semiclassical interpretation. This leads to the interpretation of structured Gaussian modes, the Hermite-Gaussian, Laguerre-Gaussian and generalized Hermite-Laguerre-Gaussian modes as eigenfunctions of operators corresponding to the classical constants of motion of the two-dimensional oscillator, which acquire an extra significance as families of classical ellipses upon semiclassical quantization...
February 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28068499/metacognitive-interpersonal-therapy-for-personality-disorders-swinging-from-emotional-over-regulation-to-dysregulation-a-case-study
#15
Giampalo Salvatore, Raffaele Popolo, Luisa Buonocore, Anna Maria Ferrigno, Mariagrazia Proto, Anna Sateriale, Marianna Serio, Giancarlo Dimaggio
Many patients with personality disorders (PD) display emotional inhibition or over-regulation (EOR); others display emotional dysregulation (ED)- heightened sensitivity to emotional stimuli with difficulty toning down arousal. To date, most treatments focus on patients with ED, particularly those with borderline disorders, though some focus on EOR. Patients with complex PD often swing from periods of EOR to ED. In this paper, we describe an adaptation of metacognitive interpersonal therapy (MIT), which has been manualized for treating PD with prominent EOR and is aimed at dealing with patients fluctuating from EOR to ED...
December 31, 2016: American Journal of Psychotherapy
https://www.readbyqxmd.com/read/28067111/extremely-low-level-microwaves-attenuate-immune-imbalance-induced-by-inhalation-exposure-to-low-level-toluene-in-mice
#16
Elena G Novoselova, Olga V Glushkova, Maxim O Khrenov, Tatyana V Novoselova, Sergey M Lunin, Eugeny E Fesenko
PURPOSE: To clarify whether extremely low-level microwaves (MW) alone or in combination with p38 inhibitor affect immune cell responses to inhalation exposure of mice to low-level toluene. MATERIALS AND METHODS: The cytokine profile, heat shock proteins expression, and the activity of several signal cascades, namely, NF-κB, SAPK/JNK, IRF-3, p38 MAPK, and TLR4 were measured in spleen lymphocytes of mice treated to air-delivered toluene (0.6 mg/m(3)) or extremely low-level microwaves (8...
January 9, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28064330/blockade-of-fast-a-type-and-tea-sensitive-potassium-channels-provide-an-antiparkinsonian-effect-in-a-6-ohda-animal-model
#17
Hashem Haghdoost-Yazdi, Hossein Piri, Reza Najafipour, Ayda Faraji, Negin Fraidouni, Tahereh Dargahi, Mahmud Alipour Heidari
OBJECTIVE: To evaluate the effect of K+ channels inhibitors in treatment of parkinson`s disease (PD). METHODS: This prospective comparative study was conducted in the Qazvin University of Medical Sciences, Iran, from April 2015 to January 2016. Male rats (n=37) received intraperitoneal doses of TEA (2 and 5 mg/kg) or 4-AP (0.5 and 1 mg/kg) twice-daily, before a stereotactic injection of 6-hydroxydopamine (6-OHDA) for the following 7 days. The 6-OHDA was injected into right medial forebrain bundle (MFB) of the rat brains...
January 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28063895/improvement-of-table-tennis-dystonia-by-stereotactic-ventro-oral-thalamotomy-a-case-report
#18
Takashi Asahi, Takaomi Taira, Kiyonobu Ikeda, Jiro Yamamoto, Shuji Sato
BACKGROUND: Task-specific focal dystonia, such as writer's cramp and musician's cramp, is a type of dystonia that affects performance of particular tasks. Such movement disorders have been treated with stereotactic ventro-oral (Vo) thalamotomy, with excellent outcomes. However, there has been no previous report of treatment of sport-related/athlete's dystonia by means of stereotactic surgery. We treated a patient with table tennis-related dystonia with Vo thalamotomy, and evaluated the outcome...
January 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28062465/biopsychosocial-model-of-disease-40%C3%A2-years-on-which-way-is-the-pendulum-swinging
#19
EDITORIAL
Gwendolen Jull
No abstract text is available yet for this article.
January 6, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28058989/coordination-of-hitting-movement-revealed-in-baseball-tee-batting
#20
Hiromu Katsumata, Keita Himi, Tenpei Ino, Kyohei Ogawa, Takehiro Matsumoto
Baseball batters must react to pitches delivered to different locations within the strike zone by modulating their movements. In tee-batting practice, such batters place a ball on a tee stand at a location, where they intend to hit the ball, assuming a particular pitch's trajectory. In the present study, we analysed three-dimensional movements in tee-batting to identify characteristics of the batters' intended impact locations across the strike zone, thereby investigating spatiotemporal features of movement modulation...
January 6, 2017: Journal of Sports Sciences
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