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Selective Functional Movement Assessment

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https://www.readbyqxmd.com/read/28324977/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#1
Nicholas B Bolus, Geza F Kogler, Omer T Inan
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28322489/long-distance-movement-of-phosphate-starvation-responsive-micrornas-in-arabidopsis
#2
Amanda K Huen, Caren Rodriguez-Medina, Angela Y Y Ho, Craig A Atkins, Penelope M C Smith
Plant microRNAs are small RNAs that are important for genetic regulation of processes such as plant development or environmental responses. Specific microRNAs accumulate in the phloem during phosphate starvation, and may act as long-distance signalling molecules. We performed quantitative PCR on Arabidopsis hypocotyl micrograft tissues of wild-type and hen1-6 mutants to assess the mobility of several phosphate starvation-responsive microRNA species. In addition to the previously-confirmed mobile species miR399d, the corresponding microRNA* (miR399d*) was identified for the first time as mobile between shoots and roots...
March 21, 2017: Plant Biology
https://www.readbyqxmd.com/read/28303096/what-is-the-contribution-of-ia-afference-for-regulating-motor-output-variability-during-standing
#3
Niklas König, Matteo G Ferraro, Heiner Baur, William R Taylor, Navrag B Singh
Motor variability is an inherent feature of all human movements, and describes the system's stability and rigidity during the performance of functional motor tasks such as balancing. In order to ensure successful task execution, the nervous system is thought to be able to flexibly select the appropriate level of variability. However, it remains unknown which neurophysiological pathways are utilized for the control of motor output variability. In responding to natural variability (in this example sway), it is plausible that the neuro-physiological response to muscular elongation contributes to restoring a balanced upright posture...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28301564/temperature-dependent-phenology-of-plutella-xylostella-lepidoptera-plutellidae-simulation-and-visualization-of-current-and-future-distributions-along-the-eastern-afromontane
#4
Benignus V Ngowi, Henri E Z Tonnang, Evans M Mwangi, Tino Johansson, Janet Ambale, Paul N Ndegwa, Sevgan Subramanian
There is a scarcity of laboratory and field-based results showing the movement of the diamondback moth (DBM) Plutella xylostella (L.) across a spatial scale. We studied the population growth of the diamondback moth (DBM) Plutella xylostella (L.) under six constant temperatures, to understand and predict population changes along altitudinal gradients and under climate change scenarios. Non-linear functions were fitted to continuously model DBM development, mortality, longevity and oviposition. We compiled the best-fitted functions for each life stage to yield a phenology model, which we stochastically simulated to estimate the life table parameters...
2017: PloS One
https://www.readbyqxmd.com/read/28286474/parameters-and-measures-in-assessment-of-motor-learning-in-neurorehabilitation-a-systematic-review-of-the-literature
#5
REVIEW
Nataliya Shishov, Itshak Melzer, Simona Bar-Haim
Upper limb function, essential for daily life, is often impaired in individuals after stroke and cerebral palsy (CP). For an improved upper limb function, learning should occur, and therefore training with motor learning principles is included in many rehabilitation interventions. Despite accurate measurement being an important aspect for examination and optimization of treatment outcomes, there are no standard algorithms for outcome measures selection. Moreover, the ability of the chosen measures to identify learning is not well established...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28269554/adaptive-decoding-using-local-field-potentials-in-a-brain-machine-interface
#6
Rosa So, Camilo Libedinsky, Kai Keng Ang, Wee Chiek Clement Lim, Kyaw Kyar Toe, Cuntai Guan
Brain-machine interface (BMI) systems have the potential to restore function to people who suffer from paralysis due to a spinal cord injury. However, in order to achieve long-term use, BMI systems have to overcome two challenges - signal degeneration over time, and non-stationarity of signals. Effects of loss in spike signals over time can be mitigated by using local field potential (LFP) signals for decoding, and a solution to address the signal non-stationarity is to use adaptive methods for periodic recalibration of the decoding model...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227808/adaptive-decoding-using-local-field-potentials-in-a-brain-machine-interface
#7
Rosa So, Camilo Libedinsky, Kai Keng Ang, Wee Chiek Clement Lim, Kyaw Kyar Toe, Cuntai Guan, Rosa So, Camilo Libedinsky, Kai Keng Ang, Wee Chiek Clement Lim, Kyaw Kyar Toe, Cuntai Guan, Rosa So, Wee Chiek Clement Lim, Kai Keng Ang, Kyaw Kyar Toe, Camilo Libedinsky, Cuntai Guan
Brain-machine interface (BMI) systems have the potential to restore function to people who suffer from paralysis due to a spinal cord injury. However, in order to achieve long-term use, BMI systems have to overcome two challenges - signal degeneration over time, and non-stationarity of signals. Effects of loss in spike signals over time can be mitigated by using local field potential (LFP) signals for decoding, and a solution to address the signal non-stationarity is to use adaptive methods for periodic recalibration of the decoding model...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227176/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#8
Nicholas B Bolus, Geza F Kogler, Omer T Inan, Nicholas B Bolus, Geza F Kogler, Omer T Inan, Geza F Kogler, Omer T Inan, Nicholas B Bolus
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28220715/a-systematic-review-of-mechanisms-of-gait-speed-change-post-stroke-part-1-spatiotemporal-parameters-and-asymmetry-ratios
#9
Elizabeth C Wonsetler, Mark G Bowden
BACKGROUND: In walking rehabilitation trials, self-selected walking speed (SSWS) has emerged as the dominant outcome measure to assess walking ability. However, this measure cannot differentiate between recovery of impaired movement and compensation strategies. Spatiotemporal variables and asymmetry ratios are frequently used to quantify gait deviations and are hypothesized markers of recovery. OBJECTIVES: The purpose of this review is to investigate spatiotemporal variables and asymmetry ratios as mechanistic recovery measures in physical therapy intervention studies post-stroke...
February 21, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28218021/a-systematic-review-of-mechanisms-of-gait-speed-change-post-stroke-part-2-exercise-capacity-muscle-activation-kinetics-and-kinematics
#10
Elizabeth C Wonsetler, Mark G Bowden
BACKGROUND: Regaining locomotor ability is a primary goal in stroke rehabilitation and is most commonly measured using changes in self-selected walking speed. However, walking speed cannot identify the mechanisms by which an individual recovers. Laboratory-based mechanistic measures such as exercise capacity, muscle activation, force production, and movement analysis variables may better explain neurologic recovery. OBJECTIVES: The objectives of this systematic review are to examine changes in mechanistic gait outcomes and describe motor recovery as quantified by changes in laboratory-based mechanistic variables in rehabilitation trials...
February 20, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28211818/comparison-of-the-effects-of-bilateral-and-unilateral-training-after-stroke-a-meta-analysis
#11
Yejin Lee, Moon Young Kim, Ji-Hyuk Park, Hae Yean Park
BACKGROUND: The differential effects of bilateral and unilateral training on upper extremity (UE) function remain unclear. OBJECTIVE: To compare the effectiveness of bilateral and unilateral training on UE function and activities of daily living (ADL) after stroke. METHODS: Randomized controlled trials (RCTs) were selected for inclusion by two reviewers after searching the following databases: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials (CENTRAL), and KoreaMed...
February 15, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28204861/factors-influencing-planning-of-a-familiar-grasp-to-an-object-what-it-is-to-pick-a-cup
#12
Elisabeth Rounis, Zuo Zhang, Gloria Pizzamiglio, Mihaela Duta, Glyn Humphreys
We assessed the factors influencing the planning of actions required to manipulate one of two everyday objects with matching dimensions but openings at opposite ends: a cup and a vase. We found that, for cups, measures of movement preparation to reach and grasp the object were influenced by whether the grasp was made to the functional part of the object (wide opening) and whether the action would end in a supinated as opposed to a pronated grasp. These factors interacted such that effects of hand posture were found only when a less familiar grasp was made to the non-functional part of the cup (the base)...
April 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28181984/factors-that-affected-functional-outcome-after-a-delayed-excision-and-split-thickness-skin-graft-on-the-dorsal-side-of-burned-hands
#13
Ryuji Shichinohe, Yamamoto Yuhei, Kunihiro Kawashima, Chu Kimura, Kentaro Ono, Katsumi Horiuchi, Tetsunori Yoshida, Naoki Murao, Toshihiko Hayashi, Emi Funayama, Akihiko Oyama, Hiroshi Furukawa
Early excision and skin grafting is the principle treatment for a burned hand although there are occasions when it cannot be done such as severe general condition, delayed consultation, and the lack of a definitive assessment of burn depth. This study analyzes the factors that affected function after a delayed excision and skin graft for hands with a deep dermal burn. This study retrospectively evaluated 43 burned hands that required a delayed excision and split-thickness skin graft on the dorsal side. Cases were required to only have split-thickness skin grafting from the dorsum of the hand and fingers distally to at least the proximal interphalangeal joint at least 8 days after the injury...
February 7, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28166879/innovation-evaluation-of-tangible-direct-manipulation-digital-drawing-pens-for-children
#14
Tai-Hua Lee, Fong-Gong Wu, Huei-Tsz Chen
Focusing on the theme of direct manipulation, in this study, we proposed a new and innovative tangible user interface (TUI) design concept for a manipulative digital drawing pen. Based on interviews with focus groups brainstorming and experts and the results of a field survey, we selected the most suitable tangible user interface for children between 4 and 7 years of age. Using the new tangible user interface, children could choose between the brush tools after touching and feeling the various patterns. The thickness of the brush could be adjusted by changing the tilt angle...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28160187/a-multilevel-analysis-of-patient-engagement-and-patient-reported-outcomes-in-primary-care-practices-of-accountable-care-organizations
#15
Stephen M Shortell, Bing Ying Poon, Patricia P Ramsay, Hector P Rodriguez, Susan L Ivey, Thomas Huber, Jeremy Rich, Tom Summerfelt
BACKGROUND: The growing movement toward more accountable care delivery and the increasing number of people with chronic illnesses underscores the need for primary care practices to engage patients in their own care. OBJECTIVE: For adult primary care practices seeing patients with diabetes and/or cardiovascular disease, we examined the relationship between selected practice characteristics, patient engagement, and patient-reported outcomes of care. DESIGN: Cross-sectional multilevel observational study of 16 randomly selected practices in two large accountable care organizations (ACOs)...
February 3, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28145740/adaptive-alterations-in-shoulder-range-of-motion-and-strength-in-young-tennis-players
#16
Benoit Gillet, Mickaël Begon, Violaine Sevrez, Christian Berger-Vachon, Isabelle Rogowski
CONTEXT: Playing tennis requires unilateral and intensive movement of the upper limb, which may lead to functional adaptations of the shoulder and an increased injury risk. Identifying which athletes will be future elite tennis players starts at 5 to 6 years of age. Therefore, highly skilled players practice intensively in their childhood. However, whether these functional changes occur during the prepubertal years has not been established. OBJECTIVES: To assess changes in glenohumeral-joint-rotation range of motion and strength of the shoulder-complex muscles in prepubertal elite tennis players...
February 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28131725/the-5-alpha-reductase-inhibitor-finasteride-reduces-dyskinesia-in-a-rat-model-of-parkinson-s-disease
#17
Roberto Frau, Paola Savoia, Silvia Fanni, Chiara Fiorentini, Camino Fidalgo, Elisabetta Tronci, Roberto Stancampiano, Mario Meloni, Antonino Cannas, Francesco Marrosu, Marco Bortolato, Paola Devoto, Cristina Missale, Manolo Carta
Levodopa-induced dyskinesia (LID) is a disabling motor complication occurring in Parkinson's disease patients (PD) after long-term l-DOPA treatment. Although its etiology remains unclear, there is accumulating evidence that LID relies on an excessive dopamine receptor transmission, particularly at the downstream signaling of D1 receptors. We previously reported that the pharmacological blockade of 5-alpha reductase (5AR), the rate limiting enzyme in neurosteroids synthesis, rescued a number of behavioral aberrations induced by D1 receptor-selective and non-selective agonists, without inducing extrapyramidal symptoms...
January 26, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28130960/fetal-face-as-important-indicator-of-fetal-brain-function
#18
Mohamed Ahmed Mostafa AboEllail, Toshiyuki Hata
Fetuses show various facial expressions, such as blinking, yawning, sucking, mouthing, tongue expulsion, scowling, and smiling, assessed by four-dimensional ultrasound from the early second trimester of pregnancy. Moreover, some fetuses demonstrate emotion-like behaviors as noted in infants, children, and adults. Selective fetal responses to stimuli indicate a high degree of brain development, which is reflected in the facial reactions. The fetal face with its movements and expressions can mirror the fetal brain function and development during different stages of the fetus in utero...
January 28, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28115486/phosphodiesterase-10a-opposite-changes-in-striato-pallidal-and-striato-entopeduncular-pathways-of-a-transgenic-mouse-model-of-dyt1-dystonia
#19
V D'Angelo, V Castelli, M Giorgi, S Cardarelli, I Saverioni, F Palumbo, P Bonsi, A Pisani, C Giampà, R Sorge, S Biagioni, F R Fusco, G Sancesario
We report that changes of phosphodiesterase-10A (PDE10A) can map widespread functional imbalance of basal ganglia circuits in a mouse model of DYT1 dystonia overexpressing mutant torsinA. PDE10A is a key enzyme in the catabolism of second messenger cAMP and cGMP, whose synthesis is stimulated by D1 and inhibited by D2 receptors, expressed in striato-entopeducuncular/substantia nigra or striato-pallidal pathways, respectively.PDE10A was studied in control mice (NT), and in mice carrying human wild-type torsinA (hWT) or mutant torsinA (hMT)...
January 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28110171/long-term-usability-and-bio-integration-of-polyimide-based-intra-neural-stimulating-electrodes
#20
S Wurth, M Capogrosso, S Raspopovic, J Gandar, G Federici, N Kinany, A Cutrone, A Piersigilli, N Pavlova, R Guiet, G Taverni, J Rigosa, P Shkorbatova, X Navarro, Q Barraud, G Courtine, S Micera
Stimulation of peripheral nerves has transiently restored lost sensation and has the potential to alleviate motor deficits. However, incomplete characterization of the long-term usability and bio-integration of intra-neural implants has restricted their use for clinical applications. Here, we conducted a longitudinal assessment of the selectivity, stability, functionality, and biocompatibility of polyimide-based intra-neural implants that were inserted in the sciatic nerve of twenty-three healthy adult rats for up to six months...
January 13, 2017: Biomaterials
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