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Mobilization with movement

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https://www.readbyqxmd.com/read/28449202/barn-owls-maximize-head-rotations-by-a-combination-of-yawing-and-rolling-in-functionally-diverse-regions-of-the-neck
#1
Markus Krings, John A Nyakatura, Mark L L M Boumans, Martin S Fischer, Hermann Wagner
Owls are known for their outstanding neck mobility: these birds can rotate their heads more than 270°. The anatomical basis of this extraordinary neck rotation ability is not well understood. We used X-ray fluoroscopy of living owls as well as forced neck rotations in dead specimens and computer tomographic (CT) reconstructions to study how the individual cervical joints contribute to head rotation in barn owls (Tyto furcata pratincola). The X-ray data showed the natural posture of the neck, and the reconstructions of the CT-scans provided the shapes of the individual vertebrae...
April 27, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28447860/remote-sensing-of-physiological-signs-using-a-machine-vision-system
#2
Ali Al-Naji, Kim Gibson, Javaan Chahl
The aim of this work is to remotely measure heart rate (HR) and respiratory rate (RR) using a video camera from long range (> 50 m). The proposed system is based on imperceptible signals produced from blood circulation, including skin colour variations and head motion. As these signals are not visible to the naked eye and to preserve the signal strength in the video, we used an improved video magnification technique to enhance these invisible signals and detect the physiological activity within the subject...
April 27, 2017: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/28447491/mobile-communication-jacket-for-people-with-severe-speech-impairment
#3
Renée Lampe, Tobias Blumenstein, Varvara Turova, Ana Alves-Pinto
PURPOSE: Cerebral palsy is a movement disorder caused by damage to motor control areas of the developing brain during early childhood. Motor disorders can also affect the ability to produce clear speech and to communicate. The aim of this study was to develop and to test a prototype of an assistive tool with an embedded mobile communication device to support patients with severe speech impairments. METHODS: A prototype was developed by equipping a cycling jacket with a display, a small keyboard, a LED and an alarm system, all controlled by a microcontroller...
April 27, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28445875/double-incision-approach-and-early-rehabilitation-in-a-complicated-bicondylar-br-tibial-plateau-fracture-a-case-report-br-br
#4
Saverio Affatato, Maurizio Montalti, Claudio Masetti, Federico Giardina, Alessandra Sudanese
OBJECTIVE: The main goal of this case was to report the treatment of bicondylar fractures of the tibial plateau and the restoration of the metaphyseo-diaphyseal dissociation. CLINICAL PRESENTATION AND INTERVENTION: A 54-year old man who was cycling had a road accident that caused a closed fracture of the right tibial plateau and proximal fibula diagnosed by x-rays. Patient had surgical procedure and was immobilized with a long-leg splint for 4 weeks. After immobilization, aggressive rehabilitation was done...
April 26, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28445031/importance-of-loop-l1-dynamics-for-substrate-capture-and-catalysis-in-pseudomonas-aeruginosa-d-arginine-dehydrogenase
#5
Daniel Ouedraogo, Michael Souffrant, Sheena Vasquez, Donald Hamelberg, Giovanni Gadda
Mobile loops located at the active site entrance in enzymes often participate in conformational changes required to shield the reaction from bulk solvent, to control substrate access to the active site, and to position residues for substrate binding and catalysis. In D-arginine dehydrogenase from Pseudomonas aeruginosa (PaDADH) previous crystallographic data suggested that residues 45-47 in the FAD-binding domain and 50-56 in the substrate-binding domain in loop L1 could adopt two distinct conformations. In this study, we have used molecular dynamics, kinetics, and fluorescence spectroscopy on the S45A and A46G enzyme variants of PaDADH to investigate the impact of mutations of loop L1 on the catalytic function of the enzyme...
April 26, 2017: Biochemistry
https://www.readbyqxmd.com/read/28444834/direct-and-indirect-effects-of-attention-and-visual-function-on-gait-impairment-in-parkinson-s-disease-influence-of-task-and-turning
#6
Samuel Stuart, Brook Galna, Louise S Delicato, Sue Lord, Lynn Rochester
Gait impairment is a core feature of Parkinson's disease (PD) which has been linked to cognitive and visual deficits, but interactions between these features are poorly understood. Monitoring saccades allows investigation of real-time cognitive and visual processes and their impact on gait when walking. This study explored; 1) saccade frequency when walking under different attentional manipulations of turning and dual-task; and 2) direct and indirect relationships between saccades, gait impairment, vision and attention...
April 26, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28443007/neuroimaging-of-human-balance-control-a-systematic-review
#7
REVIEW
Ellen Wittenberg, Jessica Thompson, Chang S Nam, Jason R Franz
This review examined 83 articles using neuroimaging modalities to investigate the neural correlates underlying static and dynamic human balance control, with aims to support future mobile neuroimaging research in the balance control domain. Furthermore, this review analyzed the mobility of the neuroimaging hardware and research paradigms as well as the analytical methodology to identify and remove movement artifact in the acquired brain signal. We found that the majority of static balance control tasks utilized mechanical perturbations to invoke feet-in-place responses (27 out of 38 studies), while cognitive dual-task conditions were commonly used to challenge balance in dynamic balance control tasks (20 out of 32 studies)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28439942/assessment-of-motion-of-colonic-contents-in-the-human-colon-using-mri-tagging
#8
S E Pritchard, J Paul, G Major, L Marciani, P A Gowland, R C Spiller, C L Hoad
BACKGROUND: We have previously reported a non-invasive, semi-automated technique to assess motility of the wall of the ascending colon (AC) using Magnetic Resonance Imaging. This study investigated the feasibility of using a tagged MRI technique to visualize and assess the degree of flow within the human ascending colon in healthy subjects and those suffering from constipation. METHODS: An open-labeled study of 11 subjects with constipation and 11 subjects without bowel disorders was performed...
April 25, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28433867/validity-and-repeatability-of-inertial-measurement-units-for-measuring-gait-parameters
#9
Edward P Washabaugh, Tarun Kalyanaraman, Peter G Adamczyk, Edward S Claflin, Chandramouli Krishnan
Inertial measurement units (IMUs) are small wearable sensors that have tremendous potential to be applied to clinical gait analysis. They allow objective evaluation of gait and movement disorders outside the clinic and research laboratory, and permit evaluation on large numbers of steps. However, repeatability and validity data of these systems are sparse for gait metrics. The purpose of this study was to determine the validity and between-day repeatability of spatiotemporal metrics (gait speed, stance percent, swing percent, gait cycle time, stride length, cadence, and step duration) as measured with the APDM Opal IMUs and Mobility Lab system...
April 12, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28432787/presynaptic-morphology-and-vesicular-composition-determine-vesicle-dynamics-in-mouse-central-synapses
#10
Laurent Guillaud, Dimitar Dimitrov, Tomoyuki Takahashi
Transport of synaptic vesicles (SVs) in nerve terminals is thought to play essential roles in maintenance of neurotransmission. To identify factors modulating SV movements, we performed real-time imaging analysis of fluorescently labeled SVs in giant calyceal and conventional hippocampal terminals. Compared with small hippocampal terminals, SV movements in giant calyceal terminals were faster, longer and kinetically more heterogeneous. Morphological maturation of giant calyceal terminals was associated with an overall reduction in SV mobility and displacement heterogeneity...
April 22, 2017: ELife
https://www.readbyqxmd.com/read/28432560/executive-function-and-life-space-mobility-in-old-age
#11
Taina Poranen-Clark, Mikaela B von Bonsdorff, Merja Rantakokko, Erja Portegijs, Johanna Eronen, Markku Kauppinen, Johan G Eriksson, Taina Rantanen, Anne Viljanen
BACKGROUND: Life-space assessment incorporates all movements in terms of the distance from home, the frequency of movement and the need of assistance for movement. Executive function (EF) is an important higher order cognitive ability that controls and guides people's goal-directed actions. We examined the cross-sectional and longitudinal associations between EF and life-space mobility, and investigated if perceived walking difficulties, lower extremity performance, and transportation difficulties explain the association...
April 21, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28432478/the-arabidopsis-splicing-factors-atu2af65-atu2af35-and-atsf1-shuttle-between-nuclei-and-cytoplasms
#12
Hyo-Young Park, Keh Chien Lee, Yun Hee Jang, Soon-Kap Kim, May Phyo Thu, Jeong Hwan Lee, Jeong-Kook Kim
The Arabidopsis splicing factors, AtU2AF65, AtU2AF35, and AtSF1 shuttle between nuclei and cytoplasms. These proteins also move rapidly and continuously in the nuclei, and their movements are affected by ATP depletion. The U2AF65 proteins are splicing factors that interact with SF1 and U2AF35 proteins to promote U2snRNP for the recognition of the pre-mRNA 3' splice site during early spliceosome assembly. We have determined the subcellular localization and movement of these proteins' Arabidopsis homologs. It was found that Arabidopsis U2AF65 homologs, AtU2AF65a, and AtU2AF65b proteins interact with AtU2AF35a and AtU2AF35b, which are Arabidopsis U2AF35 homologs...
April 21, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28430147/suitability-of-strain-gage-sensors-for-integration-into-smart-sport-equipment-a-golf-club-example
#13
Anton Umek, Yuan Zhang, Sašo Tomažič, Anton Kos
Wearable devices and smart sport equipment are being increasingly used in amateur and professional sports. Smart sport equipment employs various sensors for detecting its state and actions. The correct choice of the most appropriate sensor(s) is of paramount importance for efficient and successful operation of sport equipment. When integrated into the sport equipment, ideal sensors are unobstructive, and do not change the functionality of the equipment. The article focuses on experiments for identification and selection of sensors that are suitable for the integration into a golf club with the final goal of their use in real time biofeedback applications...
April 21, 2017: Sensors
https://www.readbyqxmd.com/read/28426513/evaluation-of-the-functional-movement-screen-and-a-novel-basketball-mobility-test-as-an-injury-prediction-tool-for-collegiate-basketball-players
#14
Colin W Bond, Jason C Dorman, Tryg O Odney, Scott J Roggenbuck, Steven W Young, Thayne A Munce
Identifying injury risk and implementing preventive measures can assist in reducing injury occurrence and may ultimately improve athletic performance. Improper movement patterns often contribute to musculoskeletal (MSK) injuries. The validity of the Functional Movement Screen (FMS™) as an injury prediction tool for athletes remains unclear. We designed the Basketball-Specific Mobility Test (BMT) to represent the neuromuscular demands of basketball and identify deficiencies that may be indicative of greater MSK injury risk while playing this sport...
April 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28425221/conceptualizing-movement-by-expert-bobath-instructors-in-neurological-rehabilitation
#15
Julie Vaughan-Graham, Kara Patterson, Karl Zabjek, Cheryl A Cott
RATIONALE, AIMS, AND OBJECTIVES: Movement, a core aspect of physiotherapy practice, and integral to the clinical reasoning process has undergone limited theoretical development. Instead, research has focused on intervention effectiveness embedded within the positivist paradigm. The purpose of this study was to explore how expert neurorehabilitation therapists conceptualize movement as part of their clinical reasoning. METHOD: A qualitative interpretive descriptive approach consisting of stimulated recall using video-recorded treatment sessions and in-depth interviews was used...
April 20, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28423418/rna-seq-validation-of-rnai-identifies-additional-gene-connectivity-in-tribolium-castaneum-coleoptera-tenebrionidae
#16
Lindsey C Perkin, Alison R Gerken, Brenda Oppert
RNA interference (RNAi) is a functional genomics tool to correlate genotype and phenotype by delivering targeted, gene-specific, and complementary dsRNA into a host via injection, feeding, or other means in order to reduce gene expression. In the red flour beetle, Tribolium castaneum, RNAi has been successful via injected dsRNA at all life stages. Traditionally, successful transcript knockdown has been quantified by qPCR on a gene-by-gene basis, where only expression of the target gene and normalization genes are evaluated...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28422641/supporting-stroke-motor-recovery-through-a-mobile-application-a-pilot-study
#17
Sonia Lawson, Ziying Tang, Jinjuan Feng
Neuroplasticity and motor learning are promoted with repetitive movement, appropriate challenge, and performance feedback. ARMStrokes, a smartphone application, incorporates these qualities to support motor recovery. Engaging exercises are easily accessible for improved compliance. In a multiple-case, mixed-methods pilot study, the potential of this technology for stroke motor recovery was examined. Exercises calibrated to the participant's skill level targeted forearm, elbow, and shoulder motions for a 6-wk protocol...
May 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28420154/mechanisms-of-ltr-retroelement-transposition-lessons-from-drosophila-melanogaster
#18
REVIEW
Lidia Nefedova, Alexander Kim
Long terminal repeat (LTR) retrotransposons occupy a special place among all mobile genetic element families. The structure of LTR retrotransposons that have three open reading frames is identical to DNA forms of retroviruses that are integrated into the host genome. Several lines of evidence suggest that LTR retrotransposons share a common ancestry with retroviruses and thus are highly relevant to understanding mechanisms of transposition. Drosophila melanogaster is an exceptionally convenient model for studying the mechanisms of retrotransposon movement because many such elements in its genome are transpositionally active...
April 16, 2017: Viruses
https://www.readbyqxmd.com/read/28415980/the-effects-of-bending-speed-on-the-lumbo-pelvic-kinematics-and-movement-pattern-during-forward-bending-in-people-with-and-without-low-back-pain
#19
Sharon M H Tsang, Grace P Y Szeto, Linda M K Li, Dim C M Wong, Millie M P Yip, Raymond Y W Lee
BACKGROUND: Impaired lumbo-pelvic movement in people with low back pain during bending task has been reported previously. However, the regional mobility and the pattern of the lumbo-pelvic movement were found to vary across studies. The inconsistency of the findings may partly be related to variations in the speed at which the task was executed. This study examined the effects of bending speeds on the kinematics and the coordination lumbo-pelvic movement during forward bending, and to compare the performance of individuals with and without low back pain...
April 17, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28413306/urogenital-management-in-cloaca-an-alternative-approach
#20
Harshjeet Singh Bal, Sudipta Sen, Cenita Sam, Jacob Chacko, John Mathai, S R Regunandan
INTRODUCTION: In the management of cloaca, there is concern that dissection of the urogenital sinus in early childhood with the aim of total anatomical correction is hazardous. Avoiding such mobilization and providing mitrofanoff channel, when needed, till peripubertal period reduces complications and is technically easier. MATERIALS AND METHODS: Forty-three cases of cloaca were managed in the period 2004-2016. Case records and radiology were reviewed retrospectively...
April 2017: Journal of Indian Association of Pediatric Surgeons
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