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Mobilization with movement

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https://www.readbyqxmd.com/read/28319145/does-aquatic-exercise-reduce-hip-and-knee-joint-loading-in-vivo-load-measurements-with-instrumented-implants
#1
Ines Kutzner, Anja Richter, Katharina Gordt, Jörn Dymke, Philipp Damm, Georg N Duda, Reiner Günzl, Georg Bergmann
Aquatic exercises are widely used for rehabilitation or preventive therapies in order to enable mobilization and muscle strengthening while minimizing joint loading of the lower limb. The load reducing effect of water due to buoyancy is a main advantage compared to exercises on land. However, also drag forces have to be considered that act opposite to the relative motion of the body segments and require higher muscle activity. Due to these opposing effects on joint loading, the load-reducing effect during aquatic exercises remains unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28316875/physical-therapy-for-a-patient-with-essential-tremor-and-prolonged-deep-brain-stimulation-a-case-report
#2
Elizabeth A Ulanowski, Megan M Danzl, Kara M Sims
BACKGROUND: There is a lack of evidence examining the role of physical therapy (PT) to address movement dysfunction for individuals with essential tremor (ET). CASE REPORT: A 61-year-old male with ET and prolonged bilateral deep brain stimulation (DBS) completed 14 sessions of outpatient PT that emphasized balance, functional movements, and proximal stability training with an integration of principles of body awareness training and visual motor coordination. Improvements were noted in all outcome measures...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28301523/assessment-of-optimal-strategies-in-a-two-patch-dengue-transmission-model-with-seasonality
#3
Jung Eun Kim, Hyojung Lee, Chang Hyeong Lee, Sunmi Lee
Emerging and re-emerging dengue fever has posed serious problems to public health officials in many tropical and subtropical countries. Continuous traveling in seasonally varying areas makes it more difficult to control the spread of dengue fever. In this work, we consider a two-patch dengue model that can capture the movement of host individuals between and within patches using a residence-time matrix. A previous two-patch dengue model without seasonality is extended by adding host demographics and seasonal forcing in the transmission rates...
2017: PloS One
https://www.readbyqxmd.com/read/28301172/myrmica-rubra-ants-are-more-communicative-when-young-do-they-need-experience
#4
Natalia V Atsarkina, Sofia N Panteleeva, Zhanna I Reznikova
The role of experience in the development of communication in animals is a matter of special interest to many ethologists and psychologists. Ants are known to possess sophisticated and flexible communication systems based mainly on their antennal movements (Reznikova & Ryabko, 2011). However, it is still enigmatic whether young ants need stimulation performances by adults to develop their communication capacities. Experiments with pairwise interactions of Myrmica rubra ants revealed significant differences in individual behavior and the mode of communication in callow (newly emerged) and adult workers...
March 16, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28298792/comparison-of-king-vision-and-truview-laryngoscope-for-postextubation-visualization-of-vocal-cord-mobility-in-patients-undergoing-thyroid-and-major-neck-surgeries-a-randomized-clinical-trial
#5
Anto Sahaya Priyanka, Kusha Nag, V R Hemanth Kumar, Dewan Roshan Singh, Senthil Kumar, T Sivashanmugam
BACKGROUND: Visualization of vocal cords following extubation after thyroid and major neck surgeries is highly desirable for the surgeon as well as the anaesthesiologist to rule out vocal cord palsy or oedema. As the patient is emerging from general anaesthesia, it may be challenging for the anaesthesiologist to optimally visualise and grade vocal cord movement following extubation. SETTING: Randomized clinical trial at a tertiary care centre. METHODOLOGY: After obtaining institutional ethics committee approval, 60 patients posted for thyroid and major neck surgeries under American Society of Anesthesiologists (ASA) grade I and II were recruited for the study...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28297177/kinematics-of-the-pelvis-torso-and-lower-limb-during-obstacle-negotiation-while-under-temporal-constraints
#6
Jesse C Christensen, Christopher R Wilson, Andrew S Merryweather, K Bo Foreman
Biomechanics of unobstructed locomotion consists of synchronized complex movements of the pelvis, torso, and lower limbs. These movement patterns become more complex as individuals encounter obstacles or negotiate uneven terrain. To date, limited research has explored how specifically the pelvis, torso, and lower limb segments relate to obstacle negotiation of varying sized objects combined with temporal constraints to perform the task. Understanding pelvis and adjoining segment movements during object negotiation will provide necessary information in identifying abnormal mechanics and potential fall risk characteristics in balance compromised patient populations...
April 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28294517/osteogenic-differentiation-of-mesenchymal-stem-cells-using-hybrid-nanofibers-with-different-configurations-and-dimensionality
#7
D Gugutkov, F Awaja, K Belemezova, M Keremidarska, N Krasteva, S Kuyrkchiev, G GallegoFerrer, S Seker, A E Elcin, Y M Elcin, G Altankov
Novel hybrid, fibrinogen/polylactic acid (FBG/PLA) nanofibers with different configuration (random vs. aligned) and dimensionality (2D vs.3D environment) were used to control the overall behaviour and the osteogenic differentiation of human Adipose Derived Mesenchymal Stem Cells (ADMSCs). Aligned nanofibers in both the 2D and 3D configurations are proved to be favoured for osteo-differentiation. Morphologically we found that on randomly configured nanofibers, the cells developed a stellate-like morphology with multiple projections, however, time-lapse analysis showed significantly diminished cell movements...
March 11, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28291441/surgical-treatment-of-bilateral-femoral-stress-fractures-related-with-long-term-alendronate-therapy
#8
Ulunay Kanatlı, M Baybars Ataoğlu, Mustafa Özer, H Nevzat Topçu, Mehmet Çetinkaya
A 67-year-old female patient admitted to our outpatient clinic suffering from pain in both thighs for one year without any history of trauma. Patient was receiving alendronate therapy for five years. Physical examination revealed pain increasing with weight-bearing in both thighs with full range of hip and knee movements. Radiographs showed an area of thickened cortex of middle femoral diaphysis in both femurs, but no fracture. Bone scan showed a single area of increased uptake of radioisotope. These images were compatible with stress fractures of both femurs...
April 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28289265/contact-structure-mobility-environmental-impact-and-behaviour-the-importance-of-social-forces-to-infectious-disease-dynamics-and-disease-ecology
#9
REVIEW
Ronan F Arthur, Emily S Gurley, Henrik Salje, Laura S P Bloomfield, James H Jones
Human factors, including contact structure, movement, impact on the environment and patterns of behaviour, can have significant influence on the emergence of novel infectious diseases and the transmission and amplification of established ones. As anthropogenic climate change alters natural systems and global economic forces drive land-use and land-cover change, it becomes increasingly important to understand both the ecological and social factors that impact infectious disease outcomes for human populations...
May 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28288129/endoplasmic-reticulum-mediated-microtubule-alignment-governs-cytoplasmic-streaming
#10
Kenji Kimura, Alexandre Mamane, Tohru Sasaki, Kohta Sato, Jun Takagi, Ritsuya Niwayama, Lars Hufnagel, Yuta Shimamoto, Jean-François Joanny, Seiichi Uchida, Akatsuki Kimura
Cytoplasmic streaming refers to a collective movement of cytoplasm observed in many cell types. The mechanism of meiotic cytoplasmic streaming (MeiCS) in Caenorhabditis elegans zygotes is puzzling as the direction of the flow is not predefined by cell polarity and occasionally reverses. Here, we demonstrate that the endoplasmic reticulum (ER) network structure is required for the collective flow. Using a combination of RNAi, microscopy and image processing of C. elegans zygotes, we devise a theoretical model, which reproduces and predicts the emergence and reversal of the flow...
March 13, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28286988/exercise-and-nutritional-approaches-to-prevent-frail-bones-falls-and-fractures-an-update
#11
R M Daly
Osteoporosis (low bone strength) and sarcopenia (low muscle mass, strength and/or impaired function) often co-exist (hence the term 'sarco-osteoporosis') and have similar health consequences with regard to disability, falls, frailty and fractures. Exercise and adequate nutrition, particularly with regard to vitamin D, calcium and protein, are key lifestyle approaches that can simultaneously optimize bone, muscle and functional outcomes in older people, if they are individually tailored and appropriately prescribed in terms of the type and dose...
April 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28285837/the-effect-of-shoulder-position-on-inferior-glenohumeral-mobilization
#12
Dexter W Witt, Nancy R Talbott
STUDY DESIGN: Cross-sectional clinical measurement study. INTRODUCTION: Inferior mobilizations are used to treat patients with shoulder dysfunctions. Common positions recommended for promoting an inferior glide include: (1) an open-packed position (OPP) in which the shoulder is in 55° of abduction, 30° of horizontal adduction, and no rotation; (2) neutral position (NP) of the shoulder; and (3) position of 90° of shoulder abduction (ABDP). Studies comparing the impact of position on inferior mobilization are lacking...
March 9, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28285012/two-stage-treatment-of-ischial-pressure-ulcers-in-spinal-cord-injury-patients-technique-and-outcomes-over-8-years
#13
Sumanas W Jordan, Mauricio De la Garza, Victor L Lewis
BACKGROUND: Despite newly introduced techniques, reconstruction of ischial pressure ulcers remains a difficult problem with high-reported failure rates. METHODS: A retrospective chart review was performed on all spinal cord injury patients who underwent ischial pressure ulcer reconstruction by the senior author (V.L.) between 2004 and 2012. The two-stage procedure consisted of debridement and bone biopsy, followed by bursectomy, partial ischiectomy, fascial release, and gluteus maximus and hamstring advancement flaps...
January 23, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28283221/actin-waves-origin-of-cell-polarization-and-migration
#14
REVIEW
Naoyuki Inagaki, Hiroko Katsuno
Actin filaments and associated proteins undergo wave-like movement in various cell types. Recent studies with cutting-edge analyses, including live-cell imaging, biophysical monitoring and manipulation, and mathematical modeling, have highlighted roles of 'actin waves' in cellular protrusion, polarization, and migration. The prevailing models to explain the wave-like dynamics of actin filaments involve an activator-inhibitor mechanism. In addition, axonal actin waves migrate by means of directional assembly and disassembly of membrane-anchored actin filaments, and thus represent a new type of machinery that translocates their component molecules to the cell edge...
March 7, 2017: Trends in Cell Biology
https://www.readbyqxmd.com/read/28279661/dynamic-balance-training-improves-physical-function-in-individuals-with-knee-osteoarthritis-a-pilot-randomized-controlled-trial
#15
Judit Takacs, Natasha M Krowchuk, S Jayne Garland, Mark G Carpenter, Michael A Hunt
OBJECTIVE: To examine the effect of a targeted balance training program on dynamic balance and self-reported physical function in people with medial tibiofemoral osteoarthritis (OA). DESIGN: A single-blind randomized controlled trial. SETTING: Exercise gymnasium and community dwellings. PARTICIPANTS: Forty individuals with medial compartment knee OA. INTERVENTION: Ten weeks of partially-supervised exercises targeting dynamic balance and strength performed four times per week, or no intervention (control group)...
March 6, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28277936/rna-mobility-in-parasitic-plant-host-interactions
#16
James H Westwood, Gunjune Kim
The parasitic plant Cuscuta exchanges mRNAs with its hosts. Systemic mobility of mRNAs within plants is well documented, and has gained increasing attention as studies using grafted plant systems have revealed new aspects of mobile mRNA regulation and function. But parasitic plants take this phenomenon to a new level by forming seamless connections to a wide range of host species, and raising questions about how mRNAs might function after transfer to a different species. Cuscuta and other parasitic plant species also take siRNAs from their hosts, indicating that multiple types of RNA are capable of trans-specific movement...
February 14, 2017: RNA Biology
https://www.readbyqxmd.com/read/28275048/brain-machine-interfaces-from-basic-science-to-neuroprostheses-and-neurorehabilitation
#17
REVIEW
Mikhail A Lebedev, Miguel A L Nicolelis
Brain-machine interfaces (BMIs) combine methods, approaches, and concepts derived from neurophysiology, computer science, and engineering in an effort to establish real-time bidirectional links between living brains and artificial actuators. Although theoretical propositions and some proof of concept experiments on directly linking the brains with machines date back to the early 1960s, BMI research only took off in earnest at the end of the 1990s, when this approach became intimately linked to new neurophysiological methods for sampling large-scale brain activity...
April 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28269298/skills-based-evaluation-of-alternative-input-methods-to-command-a-semi-autonomous-electric-wheelchair
#18
Mario Rojas, Pedro Ponce, Arturo Molina
This paper presents the evaluation, under standardized metrics, of alternative input methods to steer and maneuver a semi-autonomous electric wheelchair. The Human-Machine Interface (HMI), which includes a virtual joystick, head movements and speech recognition controls, was designed to facilitate mobility skills for severely disabled people. Thirteen tasks, which are common to all the wheelchair users, were attempted five times by controlling it with the virtual joystick and the hands-free interfaces in different areas for disabled and non-disabled people...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268880/real-time-respiration-rate-measurement-from-thoracoabdominal-movement-with-a-consumer-grade-camera
#19
Avishek Chatterjee, A P Prathosh, Pragathi Praveena
In this paper, we propose a novel computer vision technique to measure respiration rate by counting the periodic thoracoabdominal motion in real-time using an inexpensive consumer grade camera. We compute the component of optical flow parallel to the image gradient at each pixel, which is a computationally inexpensive operation. Then, we find a principal flow field by gathering information over many frames. Subsequently, in each frame, we compute the component of flow along this principal flow field to capture the thoracoabdominal motion...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268444/support-vectors-machine-classification-of-surface-electromyography-for-non-invasive-naturally-controlled-hand-prostheses
#20
Karina O A Moura, Gabriela W Favieiro, Alexandre Balbinot
The scientific researches in human rehabilitation techniques have continually evolved to offer again the mobility and freedom lost to disability. Many systems managed by myoelectric signals intended to mimic the movement of the human arm still have results considered partial, which makes it subject of many researches. The use of Natural Interfaces Signal Processing methods makes possible to design systems capable of offering prosthesis in a more natural and intuitive way. This paper presents a study investigating the use of forearm surface electromyography (sEMG) signals for classification of specific movements of hand using 12 sEMG channels and support vector machine (SVM)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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