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https://www.readbyqxmd.com/read/27914110/physical-exercise-for-the-treatment-of-non-ulcerated-chronic-venous-insufficiency
#1
REVIEW
Diego N Araujo, Cibele Td Ribeiro, Alvaro Cc Maciel, Selma S Bruno, Guilherme Af Fregonezi, Fernando Al Dias
BACKGROUND: Chronic venous insufficiency (CVI) is a common disease that causes discomfort and impairs the quality of life of affected persons. Treatments such as physical exercise that aim to increase the movement of the ankle joint and strengthen the muscle pump in the calf of the leg may be useful to reduce the symptoms of CVI. OBJECTIVES: To assess and summarise the existing clinical evidence on the efficacy and safety of physical exercise programmes for the treatment of individuals with non-ulcerated CVI...
December 3, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27913924/shear-wave-elastography-reveals-different-degrees-of-passive-and-active-stiffness-of-the-neck-extensor-muscles
#2
Angela V Dieterich, Ricardo J Andrade, Guillaume Le Sant, Deborah Falla, Frank Petzke, François Hug, Antoine Nordez
PURPOSE: The neck extensor muscles contribute to spinal support and posture while performing head and neck motion. Muscle stiffness relates to passive elasticity (support) and active tensioning (posture and movement) of muscle. It was hypothesized that support and motion requirements are reflected in the distribution of stiffness between superficial and deep neck extensor muscles. METHODS: In ten healthy participants, shear modulus (stiffness) of five neck extensor muscles was determined in prone at rest and during isometric head lift at three intensities using shear wave elastography...
December 2, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27913236/effect-of-different-postoperative-limb-positions-on-blood-loss-and-range-of-motion-in-total-knee-arthroplasty-an-updated-meta-analysis-of-randomized-controlled-trials
#3
REVIEW
Yuangang Wu, Timin Yang, Yi Zeng, Haibo Si, Canfeng Li, Bin Shen
BACKGROUND: Postoperative limb positioning has been reported to be an efficient and simple way to reduce blood loss and improve range of motion following total knee arthroplasty (TKA). This meta-analysis was designed to compare the effectiveness of two different limb positions in primary TKA. MATERIALS AND METHODS: A meta-analysis of the PubMed, CENTRAL, Web of Science, EMBASE and Google Search Engine electronic databases was performed. In this meta-analysis, two postoperative limb positions were considered: mild-flexion (flexion less than 60°) and high-flexion (flexion at 60° or more)...
November 29, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27913177/effect-of-trunnion-roughness-and-length-on-the-modular-taper-junction-strength-under-typical-intraoperative-assembly-forces
#4
S Y Jauch-Matt, A W Miles, H S Gill
Modular hip implants are at risk of fretting-induced postoperative complications most likely initiated by micromotion between adjacent implant components. A stable fixation between ball head and stem-neck taper is critical to avoid excessive interface motions. Therefore, the aim of this study was to identify the effect of trunnion roughness and length on the modular taper strength under typical intraoperative assembly forces. Custom-made Titanium trunnions (standard/mini taper, smooth/grooved surface finish) were assembled with modular Cobalt-chromium heads by impaction with peak forces ranging from 2kN to 6kN...
November 29, 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27912927/effect-of-an-early-supervised-rehabilitation-programme-compared-with-home-based-exercise-after-temporomandibular-joint-condylar-discopexy-a-randomized-controlled-trial
#5
N Capan, S Esmaeilzadeh, A Karan, D Dıracoglu, U Emekli, A Yıldız, A Baskent, C Aksoy
The goal of rehabilitation after temporomandibular joint (TMJ) surgery is to achieve a normal range of motion. The aim of this study was to compare the impact of a comprehensive and early supervised rehabilitation programme with home-based exercise after TMJ condylar discopexy. Patients diagnosed with disc displacement without reduction were randomized to the study and control groups. After baseline assessments, the same surgical condylar discopexy procedure was applied to both groups. Following surgery, the study group patients underwent a supervised exercise programme conducted by a physiotherapist in the outpatient clinic...
November 29, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27912753/radiographic-evaluation-of-early-periprosthetic-acetabular-bone-contrast-and-prosthetic-head-acetabular-coverage-after-uncemented-and-cemented-total-hip-prosthesis-in-dogs
#6
Ayman A Mostafa, Karin Lucas, Ingo Nolte, Patrick Wefstaedt
BACKGROUND: Coxofemoral osteoarthritis is a chronic, disabling condition affecting people and dogs, with THA providing an excellent return to function in severely affected joints. The principal role of THA is to restore an adequate range of motion to the hip joint while transferring load from the acetabulum in order to improve the survival of the implant and enhance the limb function in the short and long terms. The objectives of the study reported here were, therefore, to radiographically evaluate periprosthetic acetabular bone GV and to assess prosthetic head acetabular coverage after 4 months of uncemented and cemented THA in dogs...
December 3, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27911798/stretchable-multichannel-antennas-in-soft-wireless-optoelectronic-implants-for-optogenetics
#7
Sung Il Park, Gunchul Shin, Jordan G McCall, Ream Al-Hasani, Aaron Norris, Li Xia, Daniel S Brenner, Kyung Nim Noh, Sang Yun Bang, Dionnet L Bhatti, Kyung-In Jang, Seung-Kyun Kang, Aaron D Mickle, Gregory Dussor, Theodore J Price, Robert W Gereau, Michael R Bruchas, John A Rogers
Optogenetic methods to modulate cells and signaling pathways via targeted expression and activation of light-sensitive proteins have greatly accelerated the process of mapping complex neural circuits and defining their roles in physiological and pathological contexts. Recently demonstrated technologies based on injectable, microscale inorganic light-emitting diodes (μ-ILEDs) with wireless control and power delivery strategies offer important functionality in such experiments, by eliminating the external tethers associated with traditional fiber optic approaches...
November 28, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911652/trueness-and-minimal-detectable-change-of-smartphone-inclinometer-measurements-of-shoulder-range-of-motion
#8
Patrick Boissy, Serigne Diop-Fallou, Karina Lebel, Mikael Bernier, Frederic Balg, Yanick Tousignant-Laflamme
BACKGROUND: Digital inclinometer applications using data from embedded sensors on smartphone/multi-purpose pocket computers or "smart digital inclinometers" (SDIs) are now used to clinically assess range of motion (ROM). OBJECTIVES: The objectives of this study were to assess, compared with a biomechanical gold standard (GS), the trueness and minimal detectable change (MDC) of shoulder range of motion (SROM) measurements obtained from an SDI. METHODS: Twenty-five (n = 25) asymptomatic healthy participants performed three trials of shoulder flexion (SF), shoulder abduction (SA), and shoulder external rotation (SER) at full-range and mid-range...
December 2, 2016: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/27911133/changes-in-cervical-movement-impairment-and-pain-following-orofacial-treatment-in-patients-with-chronic-arthralgic-temporomandibular-disorder-with-pain-a-prospective-case-series
#9
Francis Grondin, Toby Hall
The purpose of this study was to investigate the influence of isolated temporomandibular joint (TMJ) manual therapy on pain and range of motion (ROM) of the TMJ and cervical spine including flexion-rotation test (FRT) in people suffering chronic pain arising from chronic arthralgic temporomandibular disorder (TMD). An experienced clinician managed a case series of 12 patients with TMD (mean duration 28.6 months +/- 26.9). The intervention comprised four-weekly sessions of transverse medial accessory TMJ mobilization and advice...
December 2, 2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27910630/sensitivity-of-mse-measurements-on-the-beam-atomic-level-population
#10
C Ruiz, S T A Kumar, F S B Anderson, D T Anderson
The effect of variation in atomic level population of a neutral beam on the Motional Stark Effect (MSE) measurements is investigated in the low density plasmas of HSX stellarator. A 30 KeV, 4 A, 3 ms hydrogen diagnostic neutral beam is injected into HSX plasmas of line averaged electron density ranging from 2 to 4 ⋅ 10(18) m(-3) at a magnetic field of 1 T. For this density range, the excited level population of the hydrogen neutral beam is expected to undergo variations. Doppler shifted and Stark split Hα and Hβ emissions from the beam are simultaneously measured using two cross-calibrated spectrometers...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910402/towards-10-mev-resolution-the-design-of-an-ultrahigh-resolution-soft-x-ray-rixs-spectrometer
#11
Joseph Dvorak, Ignace Jarrige, Valentina Bisogni, Scott Coburn, William Leonhardt
We present the optical design of the Centurion soft X-ray resonant inelastic X-ray scattering (RIXS) spectrometer to be located on the SIX beamline at NSLS-II. The spectrometer is designed to reach a resolving power of 100 000 at 1000 eV at its best resolution. It is also designed to have continuously variable 2θ motion over a range of 112° using a custom triple rotating flange. We have analyzed several possible spectrometer designs capable of reaching the target resolution. After careful analysis, we have adopted a Hettrick-Underwood spectrometer design, with an additional plane mirror to maintain a fixed direction for the outgoing beam...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910343/asymmetries-in-the-motional-stark-effect-emission-on-the-diii-d-tokamak
#12
B S Victor, C T Holcomb, S L Allen, W H Meyer, M A Makowski, A Thorman
Spectrometer measurements and filter upgrades to a motional Stark effect polarimeter measuring the outer half-radius of the DIII-D tokamak helped to identify asymmetries in the polarization angle of Stark-split emission. The measured polarization angle of the π components differs and is not orthogonal to the σ component. These differences persist over a range of densities and with low levels of background light. It is suggested that the difference in the polarization angle between components is from a change in the ellipticity of the emitted light across the Stark components coupled with imperfect polarization preservation from an in-vessel mirror...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910103/reliability-and-concurrent-validity-of-a-new-iphone-%C3%A2-goniometric-application-for-measuring-active-wrist-range-of-motion-a-cross-sectional-study-in-asymptomatic-subjects
#13
Mohammad Reza Pourahmadi, Ismail Ebrahimi Takamjani, Javad Sarrafzadeh, Mehrdad Bahramian, Mohammad Ali Mohseni-Bandpei, Fatemeh Rajabzadeh, Morteza Taghipour
Measurement of wrist range of motion (ROM) is often considered to be an essential component of wrist physical examination. The measurement can be carried out through various instruments such as goniometers and inclinometers. Recent smartphones have been equipped with accelerometers and magnetometers, which, through specific software applications (apps) can be used for goniometric functions. This study, for the first time, aimed to evaluate the reliability and concurrent validity of a new smartphone goniometric app (Goniometer Pro©) for measuring active wrist ROM...
December 2, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/27909756/-ligament-injuries-of-the-wrist
#14
R Schmitt
The distal radioulnar joint, the triangular fibrocartilage complex (TFCC) and the wrist are stabilized by many ligaments allowing not only a wide range of motion but also providing sufficient stability. The complex arrangement of carpal ligaments and prosupination around the forearm joint enables multiaxial motion patterns. In the wrist, intra-articular ligaments can be differentiated from extra-articular capsular ligaments as well as intrinsic and extrinsic ligament courses. Imaging is essential for classification of dynamic and static instability patterns...
December 1, 2016: Der Radiologe
https://www.readbyqxmd.com/read/27909754/dual-plate-fixation-on-distal-third-diaphyseal-fracture-of-the-humerus
#15
Jun-Ku Lee, Yun-Sung Choi, Young-Suk Sim, Dae-Sung Choi, Soo-Hong Han
INTRODUCTION: Displaced unstable distal third fractures of the humeral diaphysis are treated surgically through open reduction and internal fixation. Conventionally, surgeons prefer using long plates for secure fixation; however, we performed short plate dual plating for robust fixation that required a smaller incision and less dissection through an anterior approach. In this study, we report the results of dual plating of fractures of the humeral shaft, with radiographic evidence and clinical analysis...
December 1, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27908583/should-lower-limb-fractures-be-treated-surgically-in-patients-with-chronic-spinal-injuries-experience-in-a-reference-centre
#16
S Barrera-Ochoa, S Haddad, S Rodríguez-Alabau, J Teixidor, J Tomás, V Molero
OBJECTIVE: To report the outcomes of surgical treatment of lower limb fractures in patients with chronic spinal cord injuries. MATERIAL AND METHOD: A total of 37 lower limb fractures were treated from 2003 to 2010, of which 25 fractures were treated surgically and 12 orthopaedically. RESULTS: Patients of the surgical group had better clinical results, range of motion, bone consolidation, and less pressure ulcers and radiological misalignment...
November 28, 2016: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/27908458/inter-rater-reliability-of-shoulder-measurements-in-middle-aged-women
#17
A De Groef, M Van Kampen, N Vervloesem, E Clabau, M-R Christiaens, P Neven, I Geraerts, F Struyf, N Devoogdt
OBJECTIVES: To investigate inter-rater reliability of a set of shoulder measurements including inclinometry [shoulder range of motion (ROM)], acromion-table distance and pectoralis minor muscle length (static scapular positioning), upward rotation with two inclinometers (scapular kinematics) and pain pressure thresholds (muscle tenderness) in middle-aged women. DESIGN: Observational study. PARTICIPANTS: Thirty symptom-free middle-aged women (first cohort) were measured by two raters...
July 20, 2016: Physiotherapy
https://www.readbyqxmd.com/read/27908172/design-of-a-dual-resolution-collimator-for-preclinical-cardiac-spect-with-a-stationary-triple-detector-system
#18
Stephen C Moore, Mi-Ae Park, Zhe Liu, Morgan C Lyon, Lindsay C Johnson, Victor H Lushear, James G Westberg, Scott D Metzler
PURPOSE: One approach to preclinical single-photon emission computed tomography (SPECT) imaging that provides both high resolution and high sensitivity is based on imaging a mouse inside a collimating tube; many magnified pinhole projection images from a small target region, e.g., the heart, can be recorded simultaneously on multiple detectors with little multiplexing since each pinhole aperture's opening angle is restricted to view mostly the target organ. However, to obtain complete data for reconstruction, it may be necessary to scan the mouse through the target region of the tube...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27908156/development-of-a-four-axis-moving-phantom-for-patient-specific-qa-of-surrogate-signal-based-tracking-imrt
#19
Nobutaka Mukumoto, Mitsuhiro Nakamura, Masahiro Yamada, Kunio Takahashi, Mami Akimoto, Yuki Miyabe, Kenji Yokota, Shuji Kaneko, Akira Nakamura, Satoshi Itasaka, Yukinori Matsuo, Takashi Mizowaki, Masaki Kokubo, Masahiro Hiraoka
PURPOSE: The purposes of this study were two-fold: first, to develop a four-axis moving phantom for patient-specific quality assurance (QA) in surrogate signal-based dynamic tumor-tracking intensity-modulated radiotherapy (DTT-IMRT), and second, to evaluate the accuracy of the moving phantom and perform patient-specific dosimetric QA of the surrogate signal-based DTT-IMRT. METHODS: The four-axis moving phantom comprised three orthogonal linear actuators for target motion and a fourth one for surrogate motion...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27908131/molecular-dynamics-investigation-of-desorption-and-ion-separation-following-picosecond-infrared-laser-pirl-ablation-of-an-ionic-aqueous-protein-solution
#20
J Zou, C Wu, W D Robertson, L V Zhigilei, R J D Miller
Molecular dynamics simulations were performed to characterize the ablation process induced by a picosecond infrared laser (PIRL) operating in the regime of desorption by impulsive vibrational excitation (DIVE) of a model peptide (lysozyme)/counter-ion system in aqueous solution. The simulations were performed for ablation under typical experimental conditions found within a time-of-flight mass spectrometer (TOF-MS), that is in vacuum with an applied electric field (E = ± 10(7) V/m), for up to 2 ns post-ablation and compared to the standard PIRL-DIVE ablation condition (E = 0 V/m)...
November 28, 2016: Journal of Chemical Physics
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