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https://www.readbyqxmd.com/read/28346064/modeling-and-simulation-of-two-wheelchair-accessories-for-pushing-doors
#1
Soran Jalal Abdullah, Javeed Shaikh Mohammed
Independent mobility is vital to individuals of all ages, and wheelchairs have proven to be great personal mobility devices. The tasks of opening and navigating through a door are trivial for healthy people, while the same tasks could be difficult for some wheelchair users. A wide range of intelligent wheelchair controllers and systems, robotic arms, or manipulator attachments integrated with wheelchairs have been developed for various applications, including manipulating door knobs. Unfortunately, the intelligent wheelchairs and robotic attachments are not widely available as commercial products...
March 27, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28344068/interlimb-differences-in-coordination-of-unsupported-reaching-movements
#2
Jacob E Schaffer, Robert L Sainburg
Previous research suggests that interlimb differences in coordination associated with handedness might result from specialized control mechanisms that are subserved by different cerebral hemispheres. Based largely on the results of horizontal plane reaching studies, we have proposed that the hemisphere contralateral to the dominant arm is specialized for predictive control of limb dynamics, while the non-dominant hemisphere is specialized for controlling limb impedance. The current study explores interlimb differences in control of 3-D unsupported reaching movements...
March 23, 2017: Neuroscience
https://www.readbyqxmd.com/read/28343302/force-assisted-ultrasound-imaging-system-through-dual-force-sensing-and-admittance-robot-control
#3
Ting-Yun Fang, Haichong K Zhang, Rodolfo Finocchi, Russell H Taylor, Emad M Boctor
PURPOSE: Ultrasound imaging has been a gold standard for clinical diagnoses due to its unique advantages compared to other imaging modalities including: low cost, noninvasiveness, and safeness to the human body. However, the ultrasound scanning process requires applying a large force over extended periods of time, often in uncomfortable postures in order to maintain the desired orientation. This physical requirement over sonographers' careers often leads to musculoskeletal pain and strain injuries...
March 25, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28341787/potential-new-treatment-for-non-freezing-cold-injury-is-iloprost-the-way-forward
#4
Anne-Marie Ionescu, Sarah Hutchinson, Mehtab Ahmad, Christopher Imray
INTRODUCTION: Non-freezing cold injury (NFCI) remains largely under-reported, and is of particular importance in the armed forces where its prevalence is greatest. Iloprost, a synthetic prostaglandin I2 analogue, has previously been used with some success in the treatment of vasospastic and freezing cold injuries, although its role in NFCI remains unclear. CASE REPORT: An Iloprost infusion was used to treat the long-term sequelae of an ex-soldier suffering with ongoing pedal pain and loss of function 20 years after the initial NFCI insult sustained on military exercise...
March 23, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28338467/somewhere-in-france-9-april-17-a-centenary-review-of-medical-arrangements-at-vimy-ridge
#5
Vivian McAlister
In April 1917, medical units of the 4 divisions of the Canadian Corps combined for the first time in support of a single action, the assault upon Vimy Ridge. Detailed planning, infrastructure development, information dissemination and rehearsal were features of preparations by the combat arms and medical elements of the Canadian Forces. Extraordinary coordination resulted in the rapid rescue and evacuation by Canadian medical services of 8000 casualties over 4 days. Characteristics of today's military medical services are evident in the work of the Canadian Army Medical Corps 100 years ago...
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28337776/approaches-to-expanding-the-two-arm-biased-coin-randomization-to-unequal-allocation-while-preserving-the-unconditional-allocation-ratio
#6
Olga M Kuznetsova, Victoria Plamadeala Johnson
The paper discusses three methods for expanding the biased coin randomization (BCR) to unequal allocation while preserving the unconditional allocation ratio at every step. The first method originally proposed in the contexts of BCR and minimization is based on mapping from an equal allocation multi-arm BCR. Despite the improvement proposed in this paper to ensure tighter adherence to the targeted unequal allocation, this method still distributes the probability mass at least as wide as the permuted block randomization (PBR)...
March 23, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28333619/the-effect-of-vibrotactile-cuing-on-recovery-strategies-from-a-treadmill-induced-trip
#7
Beom-Chan Lee, Bernard J Martin, Timothy A Thrasher, Charles S Layne
Effective fall prevention technologies need to detect and transmit the key information that will alert an individual in advance about a potential fall. This study investigated advanced vibrotactile cuing that may facilitate trip recovery for balance-impaired individuals who are prone to falling. A split-belt treadmill that simulated unpredictable trip perturbations was developed to compare balance recovery without and with cuing. Kinetic and kinematic measures from force plates and full body motion capture system were used to characterize the recovery responses...
March 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28332407/unsteady-computational-fluid-dynamics-in-front-crawl-swimming
#8
Mathias Samson, Anthony Bernard, Tony Monnet, Patrick Lacouture, Laurent David
The development of codes and power calculations currently allows the simulation of increasingly complex flows, especially in the turbulent regime. Swimming research should benefit from these technological advances to try to better understand the dynamic mechanisms involved in swimming. An unsteady Computational Fluid Dynamics (CFD) study is conducted in crawl, in order to analyse the propulsive forces generated by the hand and forearm. The k-ω SST turbulence model and an overset grid method have been used...
March 23, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28331822/risk-assessment-in-relation-to-the-detection-of-small-pulmonary-nodules
#9
REVIEW
John K Field, Michael W Marcus, Matthijs Oudkerk
The National Lung Cancer Screening trial (NLST) demonstrated that individuals assigned to the LDCT screening arm had a 20% lower mortality than those who were assigned to the conventional chest radiography. The NLST was thoroughly analyzed by the US Preventive Task Force on CT Screening and they recommended that lung cancer screening should be implemented. A number of other countries have also recommended implementation, whilst others are awaiting the outcome of the NELSON Trial. However, recommendations for the management of CT screen detected nodules have only recently had any clarity...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28331346/control-of-moderate-to-severe-asthma-with-randomized-ciclesonide-doses-of-160-320-and-640-%C3%AE-g-day
#10
Søren E Pedersen, Niyati Prasad, Udo-Michael Goehring, Henrik Andersson, Dirkje S Postma
BACKGROUND: The inhaled corticoteroid (ICS) ciclesonide (Cic), controls asthma symptoms in the majority of patients at the recommended dose of 160 µg/day. However, the relationship between the level of asthma control and increasing doses of Cic is unknown. This study investigated whether long-term treatment with higher doses of Cic would further improve asthma symptoms in patients with uncontrolled asthma despite ICS use. PATIENTS AND METHODS: In a double-blind, randomized, parallel-group study, 367 patients were allocated to one of three treatment arms (Cic 160, 320 and 640 µg/day)...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/28331264/tropical-pyomyositis-revisited
#11
V Manikandan, Sandeep Mehrotra, Sunil Anand, Vinay Maurya
Since the initial description of tropical pyomyositis 130 years ago, this disease continues to retain some mystery for physicians and surgeons. The infrequency, variable epidemiologic and demographic profile, diagnostic dilemmas and limited literature continue to make it an enigma with limited understanding. In the span of nearly 130 years, worldwide English literature search has revealed an average of only two to three reported cases every year globally. We recently managed a case of tropical pyomyositis which posed a clinical and radiologic diagnostic dilemma...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28328685/whole-blood-transfusion-closest-to-the-point-of-injury-during-french-remote-military-operations
#12
Yann Daniel, Anne Sailliol, Thomas Pouget, Sébastien Peyrefitte, Sylvain Ausset, Christophe Martinaud
To improve the survival of combat casualties, interest in the earliest resort to whole blood (WB) transfusion on the battlefield has been emphasized. Providing volume, coagulation factors, plasma and oxygenation capacity, WB appears actually as an ideal product severe trauma management. WB can be collected in advance, and stored for subsequent utilization, or can be drawn, directly on the battlefield, once a soldier is wounded, from an uninjured companion and immediately transfused.Such concepts require a great control of risks at each step, especially regarding ABO mismatches, and transfusion transmitted diseases...
March 21, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28327854/-intersectoral-experience-to-bridge-the-gap-between-human-resources-in-public-health-and-the-technical-operational-level-for-peruvian-voluntary-military-service-members
#13
Franco Romaní-Romaní, Maricela Curisinche-Rojas, Norka Rojas Arteaga, Pedro Riega Lopez, César Cabezas
There is a gap between human resources and technical-operational education that limits the Peruvian health system's ability to implement public health interventions. The Peruvian Ministry of Health, through the National Health Institute and the Ministry of Defense, implemented a Public Health Training Program addressed to young full-time military servicemen, on the basis of the competency profile of a public health technician. The program consists of seven thematic units given in 390 hours, 200 of which correspond to classroom and field practices...
October 2016: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28324697/adverse-events-in-a-chiropractic-spinal-manipulative-therapy-single-blinded-placebo-randomized-controlled-trial-for-migraineurs
#14
Aleksander Chaibi, Jūratė Šaltytė Benth, Peter J Tuchin, Michael Bjørn Russell
BACKGROUND: Unlike pharmacological randomized controlled trials (RCTs), manual-therapy RCTs do not always report adverse events (AEs). The few manual-therapy RCTs that provide information on AEs are frequently without details, such as the type and-, severity of the AE and reason for withdrawal. OBJECTIVE: To prospectively report all AEs in a chiropractic spinal manipulative therapy (CSMT) RCT. DESIGN: A prospective 3-armed, single-blinded, placebo, RCT...
March 14, 2017: Musculoskelet Sci Pract
https://www.readbyqxmd.com/read/28322699/markers-of-disease-severity-in-patients-with-spanish-influenza-in-the-japanese-armed-forces-1919-1920
#15
Koichiro Kudo, Toshie Manabe, Shinyu Izumi, Jin Takasaki, Yuji Fujikura, Akihiko Kawana, Kenji Yamamoto
We examined preserved medical charts of 470 Spanish influenza patients (8 with fatal cases) hospitalized at former army hospitals in Japan during 1919-1920. The following factors were associated with longer periods of hospitalization: adventitious discontinuous lung sounds, maximum respiration rate, continuation of high fever after hospital admission, and diphasic fever.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28321432/a-novel-implant-system-for-unloading-the-medial-compartment-of-the-knee-by-lateral-displacement-of-the-iliotibial-band
#16
Vivek N Shenoy, Hanson S Gifford, John T Kao
BACKGROUND: Medial knee osteoarthritis (OA) typically occurs with excessive mechanical load within the medial compartment, resulting in degeneration of the articular cartilage. PURPOSE: A novel extracapsular implant (Latella Knee Implant) has been developed to unload the medial compartment of the knee. The implant displaces the iliotibial band (ITB) over the lateral femoral condyle, thereby increasing its effective moment arm, resulting in a transfer of load from the medial compartment to the lateral compartment of the knee...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28320916/a-systematic-review-of-the-effectiveness-of-alcohol-brief-interventions-for-the-uk-military-personnel-moving-back-to-civilian-life
#17
REVIEW
Sarah Wigham, A Bauer, S Robalino, J Ferguson, A Burke, D Newbury-Birch
BACKGROUND: Higher levels of alcohol consumption have been observed in the UK armed forces compared with the general population. For some, this may increase the risk of using alcohol as a coping strategy when adjusting to multiple life events occurring when moving back into civilian life. METHOD: A systematic review was conducted to determine the effectiveness of alcohol brief interventions for military personnel during transition. Electronic databases including Medline, Central, Healthcare Management Information Consortium (HMIC) and Embase, and grey literature, were searched...
March 20, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28320672/spatial-analysis-of-multichannel-surface-emg-in-hemiplegic-stroke
#18
Ghulam Rasool, Babak Afsharipour, Nina Suresh, William Z Rymer
We investigated spatial activation patterns of upper extremity muscles during isometric force generation in both intact persons and in hemispheric stroke survivors. We used a 128-channel surface electromyogram (EMG) grid to record the electrical activity of biceps brachii muscles during these contractions. EMG data were processed to develop 2-dimensional root mean square (RMS) maps of muscle activity. Our objective was to determine whether motor impairments following stroke were associated with changes in the muscle activity maps and in the spatial distribution of muscular activation...
March 15, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28318605/achilles-tendon-moment-arm-length-is-smaller-in-children-with-cerebral-palsy-than-in-typically-developing-children
#19
Barbara M Kalkman, Lynn Bar-On, Francesco Cenni, Constantinos N Maganaris, Alfie Bass, Gill Holmes, Kaat Desloovere, Gabor J Barton, Thomas D O'Brien
When studying muscle and whole-body function in children with cerebral palsy (CP), knowledge about both internal and external moment arms is essential since they determine the mechanical advantage of a muscle over an external force. Here we asked if Achilles tendon moment arm (MAAT) length is different in children with CP and age-matched typically developing (TD) children, and if MAAT can be predicted from anthropometric measurements. Sixteen children with CP (age: 10y 7m±3y, 7 hemiplegia, 12 diplegia, GMFCS level: I (11) and II (8)) and twenty TD children (age: 10y 6m±3y) participated in this case-control study...
March 3, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28316385/spatial-distribution-of-ectoparasites-on-the-gills-of-the-mullet-liza-macrolepis-the-effects-of-pollution
#20
Ruchika Kumar, Rokkam Madhavi, Bade Sailaja
Spatial distribution of ectoparasites on the gills of the mullet Liza macrolepis collected from two sites, the unpolluted reference site (Site I) and the heavily polluted North western arm of Visakhapatnam harbour (Site II), was analysed. Of the various ectoparasite species found on the gills of the mullet, only Ancyrocephalus vanbenedeni (Monogenea) and Dermergasilus varicoleus (Copepoda), occurred commonly at both the sites with more or less high prevalence and mean intensity. A. vanbenedeni at site I preferred gill arch 1 and posterior most and central sections, whereas at site II, it showed preference for gill arch 3, and posterior and proximal sections of the gill...
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
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