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https://www.readbyqxmd.com/read/28731832/effects-of-cervical-high-velocity-low-amplitude-techniques-on-range-of-motion-strength-performance-and-cardiovascular-outcomes-a-review
#1
Xabier Galindez-Ibarbengoetxea, Igor Setuain, Lars L Andersen, Robinson Ramírez-Velez, Miriam González-Izal, Andoni Jauregi, Mikel Izquierdo
BACKGROUND: Cervical high-velocity low-amplitude (HVLA) manipulation technique is among the oldest and most frequently used chiropractic manual therapy, but the physiologic and biomechanics effects were not completely clear. OBJECTIVE: This review aims to describe the effects of cervical HVLA manipulation techniques on range of motion, strength, and cardiovascular performance. METHODS/DESIGN: A systematic search was conducted of the electronic databases from January 2000 to August 2016: PubMed (n = 131), ScienceDirect (n = 101), Scopus (n = 991), PEDro (n = 33), CINAHL (n = 884), and SciELO (n = 5)...
July 21, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28729808/paleoseismic-study-of-the-kamishiro-fault-on-the-northern-segment-of-the-itoigawa-shizuoka-tectonic-line-japan
#2
Aiming Lin, Mikako Sano, Maomao Wang, Bing Yan, Di Bian, Ryoji Fueta, Takashi Hosoya
The Mw 6.2 (Mj 6.8) Nagano (Japan) earthquake of 22 November 2014 produced a 9.3-km long surface rupture zone with a thrust-dominated displacement of up to 1.5 m, which duplicated the pre-existing Kamishiro Fault along the Itoigawa-Shizuoka Tectonic Line (ISTL), the plate-boundary between the Eurasian and North American plates, northern Nagano Prefecture, central Japan. To characterize the activity of the seismogenic fault zone, we conducted a paleoseismic study of the Kamishiro Fault. Field investigations and trench excavations revealed that seven morphogenic paleohistorical earthquakes (E2-E8) prior to the 2014 Mw 6...
2017: Journal of Seismology
https://www.readbyqxmd.com/read/28727493/sibilant-production-in-hebrew-speaking-adults-apical-versus-laminal
#3
Michal Icht, Boaz M Ben-David
The Hebrew IPA charts describe the sibilants /s, z/ as 'alveolar fricatives', where the place of articulation on the palate is the alveolar ridge. The point of constriction on the tongue is not defined - apical (tip) or laminal (blade). Usually, speech and language pathologists (SLPs) use the apical placement in Hebrew articulation therapy. Some researchers and SLPs suggested that acceptable /s, z/ could be also produced with the laminal placement (i.e. the tip of the tongue approximating the lower incisors)...
July 20, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28726326/speechless
#4
Nadine T Himelfarb
Bright blue eyes rimmed with deep sun wrinkles, a crown of mousy brown hair that appeared freshly cut by a four-year old with safety scissors, the patient was thin figured, wearing a flannel, yellowed t-shirt peaking from underneath, and a boxy, heavily stained canvas jacket over the shoulders. Old jeans were cinched at the waist by a crackled leather belt. The dirty right foot which lay bare on the stretcher was then thrust at me. The patient pointed angrily at the exposed foot. This article is protected by copyright...
July 20, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28709325/transitions-between-multiple-dynamical-states-in-a-confined-dense-active-particle-system
#5
Pallab Sinha Mahapatra, Ajinkya Kulkarni, Sam Mathew, Mahesh V Panchagnula, Srikanth Vedantam
We study the collective motion of a dense suspension of active swimmers in a viscous fluid medium. The swimmers are modeled as soft spheres moving in a highly viscous fluid medium. The magnitude of the propelling thrust exerted by each particle is taken to be a constant and the direction is aligned to its velocity. Depending on the magnitude of the exerted thrust, several nonequilibrium steady states are observed. The transitions between the steady states are characterized using the total dissipation as a function of the magnitude of the thrust...
June 2017: Physical Review. E
https://www.readbyqxmd.com/read/28709180/linear-and-nonlinear-perturbation-analysis-of-the-symmetry-breaking-in-time-periodic-propulsive-wakes
#6
Damien Jallas, Olivier Marquet, David Fabre
The two-dimensional and time-periodic wake flows produced by a pitching foil are investigated numerically for a fixed flapping amplitude. As the flapping frequency is increased, three regimes are identified in the time-marching nonlinear simulations. The first regime is characterized by nondeviated wake flows with zero time-averaged lift. In the second regime, the wake flow is slightly deviated from the streamwise direction and the time-averaged lift is slightly positive or negative. The third regime is characterized by larger deviations of the wake, associated with larger values of both the time-averaged lift and the thrust...
June 2017: Physical Review. E
https://www.readbyqxmd.com/read/28707951/three-dimensional-alteration-of-constricted-alveolar-ridge-affected-by-root-thrusting-with-and-without-open-flap-decortication
#7
Donghyun Hwang, Won-June Lee, Kyung-A Kim, Seung-Hak Baek, Young-Guk Park, Su-Jung Kim
OBJECTIVE: To investigate the morphometric and histological alterations of the constricted alveolar ridge when affected by root thrusting with and without open-flap decortication. MATERIALS AND METHODS: Eight beagles were divided into three groups: C, control without root thrusting; R, root thrusting only; RD, root thrusting with alveolar decortication. The ridge constriction model was prepared in 16 mandibular quadrants after extraction of the third premolars. Reciprocal root thrusting of the second and fourth premolars was performed toward the constricted ridge for 10 weeks, having a moment of 900 g-mm...
July 14, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28706344/a-new-model-of-cavern-diameter-based-on-a-validated-cfd-study-on-stirring-of-a-highly-shear-thinning-fluid
#8
Anna Story, Zdzisław Jaworski
Results of numerical simulations of momentum transfer for a highly shear-thinning fluid (0.2% Carbopol) in a stirred tank equipped with a Prochem Maxflo T type impeller are presented. The simulation results were validated using LDA data and both tangential and axial force measurements in the laminar and early transitional flow range. A good agreement between the predicted and experimental results of the local fluid velocity components was found. From the predicted and experimental values of both tangential and axial forces, the power number, Po, and thrust number, Th, were also calculated...
2017: Chemické Zvesti
https://www.readbyqxmd.com/read/28699620/aerodynamics-and-flow-features-of-a-damselfly-in-takeoff-flight
#9
Ayodeji Toluwanimi Bode-Oke, Samane Zeyghami, Haibo Dong
Flight initiation is fundamental for survival, escape from predators and lifting payload from one place to another in biological fliers and can be broadly classified into jumping and non-jumping takeoffs. During jumping takeoffs, the legs generate most of the initial impulse. Whereas the wings generate most of the forces in non-jumping takeoffs, which are usually voluntary, slow, and stable. It is of great interest to understand how these non-jumping takeoffs occur and what strategies insects use to generate large amount of forces required for this highly demanding flight initiation mode...
July 12, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28687855/decreased-spontaneous-activity-and-altered-evoked-nociceptive-response-of-rat-thalamic-submedius-neurons-to-lumbar-vertebra-thrust
#10
William R Reed, Jamie T Cranston, Stephen M Onifer, Joshua W Little, Randall S Sozio
The thalamus is a central structure important to modulating and processing all mechanoreceptor input destined for the cortex. A large number of diverse mechanoreceptor endings are stimulated when a high velocity low amplitude thrust is delivered to the lumbar spine during spinal manipulation. The objective of this study was to determine if a lumbar thrust alters spontaneous and/or evoked nociceptive activity in medial thalamic submedius (Sm) neurons. Extracellular recordings were obtained from 94 thalamic Sm neurons in 54 urethane-anesthetized adult Wistar rats...
July 7, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28684883/top-of-climb-matching-method-for-reducing-aircraft-trajectory-prediction-errors
#11
David P Thipphavong
The inaccuracies of the aircraft performance models utilized by trajectory predictors with regard to takeoff weight, thrust, climb profile, and other parameters result in altitude errors during the climb phase that often exceed the vertical separation standard of 1000 feet. This study investigates the potential reduction in altitude trajectory prediction errors that could be achieved for climbing flights if just one additional parameter is made available: top-of-climb (TOC) time. The TOC-matching method developed and evaluated in this paper is straightforward: a set of candidate trajectory predictions is generated using different aircraft weight parameters, and the one that most closely matches TOC in terms of time is selected...
September 2016: Journal of Aircraft
https://www.readbyqxmd.com/read/28681387/effect-of-functional-chewing-training-on-tongue-thrust-and-drooling-in-children-with-cerebral-palsy-a-randomised-controlled-trial
#12
Özgü Inal, Selen Serel Arslan, Numan Demir, Öznur Tunca Yilmaz, Aynur Ayşe Karaduman
BACKGROUND: Tongue thrust which is an oral reflex associated with sucking behaviour may cause problems in swallowing, speech, orofacial development, and also drooling. OBJECTIVE: We aimed to examine the effect of Functional Chewing Training(FuCT) on tongue thrust and drooling in children with cerebral palsy (CP). METHODS: The study included 32 children with a mean age of 58.25±9.58 months who had tongue thrust. Children were divided into two groups: The FuCT group and control group receiving classical oral motor exercises...
July 6, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28667950/a-novel-large-thrust-weight-ratio-v-shaped-linear-ultrasonic-motor-with-a-flexible-joint
#13
Xiaoniu Li, Zhiyuan Yao, Mojian Yang
A novel large thrust-weight ratio V-shaped linear ultrasonic motor with a flexible joint is proposed in this paper. The motor is comprised of a V-shaped transducer, a slider, a clamp, and a base. The V-shaped transducer consists of two piezoelectric beams connected through a flexible joint to form an appropriate coupling angle. The V-shaped motor is operated in the coupled longitudinal-bending mode. Longitudinal and bending movements are transferred by the flexible joint between the two beams. Compared with the coupled longitudinal-bending mode of the single piezoelectric beam or the symmetrical and asymmetrical modes of the previous V-shaped transducer, the coupled longitudinal-bending mode of the V-shaped transducer with a flexible joint provides higher vibration efficiency and more convenient mode conformance adjustment...
June 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28660744/reconceptualizing-mental-disorders-from-symptoms-to-organs
#14
Mario Bunge
Most mental pathologies are diagnosed on the sole basis of the symptoms reported by patients, such as "I'm feeling low." The thrust of this paper is the proposal to reconceptualize mental disorders as dysfunctions of brain subsystems. This shift from symptom to organ would bring psychiatry in line with the rest of medicine, and is analogous to the change in status of venereal infections from skin pathologies, such as chancres, to bacterial infections. The proposal in question is part of the reconceptualization of mental processes as brain processes, in line with the materialist conception of the mind as neural...
June 2017: PsyCh Journal
https://www.readbyqxmd.com/read/28654649/optimal-specific-wavelength-for-maximum-thrust-production-in-undulatory-propulsion
#15
Nishant Nangia, Rahul Bale, Nelson Chen, Yohanna Hanna, Neelesh A Patankar
What wavelengths do undulatory swimmers use during propulsion? In this work we find that a wide range of body/caudal fin (BCF) swimmers, from larval zebrafish and herring to fully-grown eels, use specific wavelength (ratio of wavelength to tail amplitude of undulation) values that fall within a relatively narrow range. The possible emergence of this constraint is interrogated using numerical simulations of fluid-structure interaction. Based on these, it was found that there is an optimal specific wavelength (OSW) that maximizes the swimming speed and thrust generated by an undulatory swimmer...
2017: PloS One
https://www.readbyqxmd.com/read/28645452/thrust-magnitudes-rates-and-3-dimensional-directions-delivered-in-simulated-lumbar-spine-high-velocity-low-amplitude-manipulation
#16
Edward F Owens, Ronald S Hosek, Linda Mullin, Lydia Dever, Stephanie G B Sullivan, Brent S Russell
OBJECTIVES: The purpose of this study was to measure faculty performance of simulated spinal manipulation on a mannequin to help identify teaching standards. METHODS: We measured 3-dimensional transmitted loads using a force plate mounted in the table. Thrusts were delivered through a compliant, jointed mannequin by faculty members along predefined "listings" as taught in lumbopelvic technique courses. RESULTS: Eleven chiropractic faculty members participated, delivering 9 thrusts at 3 loads (light, moderate, and heavy) along 9 different prone and side-posture listings, totaling 81 thrusts per participant...
June 20, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28641194/use-of-a-long-distally-fixed-intramedullary-stem-to-treat-a-periprosthetic-femoral-fracture-following-total-hip-arthroplasty-using-a-thrust-plate-hip-prosthesis-a-case-report
#17
Hiroyuki Hatanaka, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Yusuke Kubo, Takeshi Utsunomiya, Takuaki Yamamoto, Yasuharu Nakashima
INTRODUCTION: The thrust plate hip prosthesis (TPP; Zimmer, Winterthur, Switzerland) is a hip prosthesis that is no longer in production. Few reports have focused on periprosthetic fractures following total hip arthroplasty (THA) with the use of a TPP. PRESENTATION OF CASE: We report a 57-year-old woman with a periprosthetic femoral fracture 13 years after THA with the use of a TPP. A plain radiograph showed a displaced subtrochanteric fracture of the right femur just below the distal tip of the lateral plate without implant loosening...
June 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28636625/comparison-study-of-exhaust-plume-impingement-effects-of-small-mono-and-bipropellant-thrusters-using-parallelized-dsmc-method
#18
Kyun Ho Lee
A space propulsion system is important for the normal mission operations of a spacecraft by adjusting its attitude and maneuver. Generally, a mono- and a bipropellant thruster have been mainly used for low thrust liquid rocket engines. But as the plume gas expelled from these small thrusters diffuses freely in a vacuum space along all directions, unwanted effects due to the plume collision onto the spacecraft surfaces can dramatically cause a deterioration of the function and performance of a spacecraft. Thus, aim of the present study is to investigate and compare the major differences of the plume gas impingement effects quantitatively between the small mono- and bipropellant thrusters using the computational fluid dynamics (CFD)...
2017: PloS One
https://www.readbyqxmd.com/read/28633885/characteristics-of-paraspinal-muscle-spindle-response-to-mechanically-assisted-spinal-manipulation-a-preliminary-report
#19
William R Reed, Joel G Pickar, Randall S Sozio, Michael A K Liebschner, Joshua W Little, Maruti R Gudavalli
OBJECTIVES: The purpose of this preliminary study is to determine muscle spindle response characteristics related to the use of 2 solenoid powered clinical mechanically assisted manipulation (MAM) devices. METHODS: L6 muscle spindle afferents with receptive fields in paraspinal muscles were isolated in 6 cats. Neural recordings were made during L7 MAM thrusts using the Activator V (Activator Methods Int. Ltd., Phoenix, AZ) and/or Pulstar (Sense Technology Inc., Pittsburgh, PA) devices at their 3 lowest force settings...
June 17, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28616042/cerebral-mechanism-of-puncturing-at-he-mu-point-combination-for-functional-dyspepsia-study-protocol-for-a-randomized-controlled-parallel-trial
#20
Shuai Yin, Yuan Chen, Du Lei, Rui-Rui Sun, Ting-Ting Ma, Pei-Min Feng, Zhao-Xuan He, Xue-Ling Suo, Pei-Hong Ma, Yu-Zhu Qu, Ke Qiu, Miao-Miao Jing, Qi-Yong Gong, Fan-Rong Liang, Jiao Chen, Fang Zeng
Acupuncture is widely used to treat functional dyspepsia with satisfactory outcomes. Combination of the He and Mu acupoints is commonly used and has a synergistic effect on functional dyspepsia; however, its underlying mechanisms remain unclear. Therefore, a randomized controlled parallel clinical trial is currently underway at Chengdu University of Traditional Chinese Medicine, China. This trial is designed to explore the efficacy of and central responses to the He-Mu point combination in patients with functional dyspepsia using functional magnetic resonance imaging...
May 2017: Neural Regeneration Research
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