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https://www.readbyqxmd.com/read/28727674/the-community-balance-and-mobility-scale-a-valid-assessment-tool-of-balance-in-cardiac-rehabilitation-patients
#1
Luke Martelli, Dave Saraswat, Gail Dechman, Nicholas B Giacomantonio, Scott A Grandy
PURPOSE: Many patients participating in cardiac rehabilitation (CR) programs have decreased balance. This is a concern, as it may affect their ability to optimally perform physical exercise in CR and thus decrease CR efficacy. Despite this concern, balance is typically not assessed as part of CR intake. This may be attributable to the fact that a suitable balance assessment tool has not been identified for higher-functioning CR patients. A potential solution to this issue is using the Community Balance and Mobility Scale (CBMS), which has been used to assess balance in higher-functioning clinical populations; however, its use in a CR population has never been investigated...
July 19, 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28727547/designing-and-implementation-of-stable-sinusoidal-rough-neural-identifier
#2
Ghasem Ahmadi, Mohammad Teshnehlab
A rough neuron is defined as a pair of conventional neurons that are called the upper and lower bound neurons. In this paper, the sinusoidal rough-neural networks (SR-NNs) are used to identify the discrete dynamic nonlinear systems (DDNSs) with or without noise in series-parallel configuration. In the identification of periodic nonlinear systems, sinusoidal activation functions provide more efficient neural networks than the sigmoidal activation functions. Based on the Lyapunov stability theory, an online learning algorithm is developed to train the SR-NNs...
August 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28723311/visual-perceptual-learning-and-models
#3
Barbara Dosher, Zhong-Lin Lu
Visual perceptual learning through practice or training can significantly improve performance on visual tasks. Originally seen as a manifestation of plasticity in the primary visual cortex, perceptual learning is more readily understood as improvements in the function of brain networks that integrate processes, including sensory representations, decision, attention, and reward, and balance plasticity with system stability. This review considers the primary phenomena of perceptual learning, theories of perceptual learning, and perceptual learning's effect on signal and noise in visual processing and decision...
July 19, 2017: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28704884/prone-hip-extension-muscle-recruitment-is-associated-with-hamstring-injury-risk-in-amateur-soccer
#4
Joke Schuermans, Damien Van Tiggelen, Erik Witvrouw
'Core stability' is considered essential in rehabilitation and prevention. Particularly with respect to hamstring injury prevention, assessment and training of lumbo-pelvic control is thought to be key. However, supporting scientific evidence is lacking. To explore the importance of proximal neuromuscular function with regard to hamstring injury susceptibility, this study investigated the association between the Prone Hip Extension (PHE) muscle activation pattern and hamstring injury incidence in amateur soccer players...
July 13, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28690513/feature-selection-methods-for-zero-shot-learning-of-neural-activity
#5
Carlos A Caceres, Matthew J Roos, Kyle M Rupp, Griffin Milsap, Nathan E Crone, Michael E Wolmetz, Christopher R Ratto
Dimensionality poses a serious challenge when making predictions from human neuroimaging data. Across imaging modalities, large pools of potential neural features (e.g., responses from particular voxels, electrodes, and temporal windows) have to be related to typically limited sets of stimuli and samples. In recent years, zero-shot prediction models have been introduced for mapping between neural signals and semantic attributes, which allows for classification of stimulus classes not explicitly included in the training set...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28640758/consecutive-ultra-short-term-heart-rate-variability-to-track-dynamic-changes-in-autonomic-nervous-system-during-and-after-exercise
#6
Xiang Chen, Ruijie Yao, Gezhen Yin, Jin Li
OBJECTIVE: Quantitative measurement of the dynamic changes in autonomic nervous system (ANS) during and after exercise has great significance in clinical, sports training and other fields. A consecutive ultra-short-term (30 s, UST) heart rate variability (HRV) method was proposed to track the exercise-induced autonomic control of heart rate (HR). APPROACH: Twenty-three healthy young men participated in the study. The first four stages of the Modified Bruce Protocol (S0-S3) were performed...
June 22, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28628623/use-of-the-deka-arm-for-amputees-with-brachial-plexus-injury-a-case-series
#7
Linda Resnik, Christopher Fantini, Gail Latlief, Samuel Phillips, Nicole Sasson, Eve Sepulveda
OBJECTIVE: Patients with upper limb amputation and brachial plexus injuries have high rates of prosthesis rejection. Study purpose is to describe experiences of subjects with transhumeral amputation and brachial plexus injury, who were fit with, and trained to use, a DEKA Arm. METHODS: This was a mixed-methods study utilizing qualitative (e.g. interview, survey) and quantitative data (e.g. self-report and performance measures). Subject 1, a current prosthesis user, had a shoulder arthrodesis...
2017: PloS One
https://www.readbyqxmd.com/read/28606408/-common-therapeutic-approaches-of-sarcopenia-in-the-elderly-and-uremic-myopathy
#8
Philippe Chauveau, Karine Moreau, Catherine Lasseur, Christian Combe, Michel Aparicio
The gradual loss of weight and function of muscle in patients with chronic kidney disease as in the elderly impacts the quality of life. Early management should help slow the functional limitation. Physical activity is the first therapy to propose that ensures stability of muscle mass and improved function. Resistance training programs have proven effective but are not yet widely available in nephrology units. The nutritional management should not be forgotten because there is a resistance to anabolism and protein intake should be involved in physical activity program...
June 9, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28605316/examining-differences-in-movement-competency-in-professional-baseball-players-born-in-the-united-states-and-dominican-republic
#9
Garrett S Bullock, Taylor Chapman, Thomas Joyce, Robert Prengle, Taylor Stern, Robert J Butler
CONTEXT: Dominican Republic (DR) players have different training norms, which can affect their resiliency and performance. The variance among DR players training regimens may be influenced by the degree of training incorporating fundamental movement patterns. OBJECTIVE: To examine differences in fundamental movement patterns in United States (US) versus DR born professional baseball players. PARTICIPANTS: 142 players (76 DR and 66 US born) that were recently selected by an MLB team...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28605232/sensorimotor-control-of-the-shoulder-in-professional-volleyball-players-with-isolated-infraspinatus-muscle-atrophy
#10
Samuele Contemori, Andrea Biscarini, Fabio Massimo Botti, Daniele Busti, Roberto Panichi, Vito Enrico Pettorossi
CONTEXT: Isolated infraspinatus muscle atrophy (IIMA) only affects the hitting shoulder of overhead-activity athletes, and is caused by suprascapular nerve neuropathy. No study has assessed the static and dynamic stability of the shoulder in overhead professional athletes with IIMA to reveal possible shoulder sensorimotor alterations. OBJECTIVE: To assess the shoulder static stability, dynamic stability, and strength in professional volleyball players with IIMA and in healthy control players...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28593438/eye-movements-are-correctly-timed-during-walking-despite-bilateral-vestibular-hypofunction
#11
Eric R Anson, Tim Kiemel, John P Carey, John J Jeka
Individuals with bilateral vestibular hypofunction (BVH) often report symptoms of oscillopsia (the perception that the world is bouncing or unstable) during walking. Efference copy/proprioception contributes to locomotion gaze stability in animals, sometimes inhibiting the vestibulo-ocular reflex (VOR). Gaze stability requires both adequate eye velocity and appropriate timing of eye movements. It is unknown whether eye velocity (VOR gain), timing (phase), or both are impaired for individuals with BVH during walking...
June 7, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/28582456/detailed-spatial-characterization-of-superficial-hip-muscle-activation-during-walking-a-multi-electrode-surface-emg-investigation-of-the-gluteal-region-in-healthy-older-adults
#12
Christoph Anders, Steffen Patenge, Klaus Sander, Frank Layher, Uta Biedermann, Raimund W Kinne
PURPOSE: A multi-electrode array was used to generate spatially resolved Surface electromyography (SEMG) data of the hip muscles in healthy older adults. The cohort was meant to serve as an age-matched, normal control population for future surgical and rehabilitative studies in patients undergoing total hip arthroplasty, in view of the large, continuously increasing number of hip joint replacements. METHODS: Bilateral hip muscle SEMG activity, including tensor fasciae latae (TFL), gluteus medius (Gmed), and gluteus maximus (Gmax), was measured during locomotion on a walkway at self-selected slow, normal, and fast walking speeds (age-matched cohort of 29 females and 25 males)...
2017: PloS One
https://www.readbyqxmd.com/read/28577891/treatment-of-posterior-cruciate-ligament-tibial-avulsion-by-a-minimally-invasive-open-posterior-approach
#13
Ahmed Abdelbadie Abdallah, Mohammed S Arafa
OBJECTIVE: To assess the surgical technique and report the outcomes following fixation of PCL bony avulsions through mini-invasive posterior knee approach as described by Burks and Schaffer. METHODS: From June 2012 to July 2015, 27 patients enrolled in the study (21 males and 6 females). Fixation of tibial PCL avulsion fractures was done with one or two cannulated screws, or sutures through Burks and Schaffer's approach. The mean interval before surgery was 16days (1-70) ...
July 2017: Injury
https://www.readbyqxmd.com/read/28576106/electrical-resonance-of-amphotericin-b-channel-activity-in-lipidic-membranes
#14
Karla S Récamier, Iván Ortega-Blake, P Parmananda
In our previous work [J. Membrane Biol. 237, 31 (2010)], we showed the dependence of the time average conductance of Nystatin channels as a function of the applied potential. Specifically, it was observed that greater potential induced enhanced channel activity. This indicates that the supramolecular structure could be stabilized by a large field, possibly by giving a preferential orientation to the monomers. In the present work, we entertain the notion that the process of pore formation in the lipidic membranes has an underlying deterministic component...
May 2017: Chaos
https://www.readbyqxmd.com/read/28571754/nonlinear-adaptive-control-based-on-fuzzy-sliding-mode-technique-and-fuzzy-based-compensator
#15
Sy Dzung Nguyen, Hoang Duy Vo, Tae-Il Seo
It is difficult to efficiently control nonlinear systems in the presence of uncertainty and disturbance (UAD). One of the main reasons derives from the negative impact of the unknown features of UAD as well as the response delay of the control system on the accuracy rate in the real time of the control signal. In order to deal with this, we propose a new controller named CO-FSMC for a class of nonlinear control systems subjected to UAD, which is constituted of a fuzzy sliding mode controller (FSMC) and a fuzzy-based compensator (CO)...
May 30, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28554316/beta-hydroxy-beta-methyl-butyrate-hmb-from-experimental-data-to-clinical-evidence-in-sarcopenia
#16
Alfonso J Cruz-Jentoft
β-hydroxy-β-methylbutyrate (HMB) is a metabolite derived from leucine and its ketoacid alpha-ketoisocaproate. Leucine has a role in regulating protein synthesis in muscle cells, and HMB seems to be a key active metabolite in such regulation. HMB has been shown to modulate muscle protein degradation by inhibiting the ubiquitin-proteasome proteolytic pathway, to up-regulate protein synthesis via the mTOR pathway, and to stabilize cell membranes via the rate limiting enzyme to cholesterol synthesis HMG- coenzyme A reductase...
May 28, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28553567/improvised-neutral-zone-technique-in-a-completely-edentulous-patient-with-an-atrophic-mandibular-ridge-and-neuromuscular-incoordination-a-clinical-tip
#17
Prathibha Saravanakumar, Saravanan Thirumalai Thangarajan, Umamaheswari Mani, Anand Kumar V
Resorption of mandibular ridges is a multifactorial and biomechanical disease that is chronic, progressive, irreversible, and cumulative leading to loss of sulcular depth, vertical dimension loss, and decreased lower facial height. Some common neurological, hormonal, and metabolic disorders affect the adaptability of dentures, and this can be diagnosed by a trained prosthodontist with proper history-taking and clinical examination.The denture becomes passive due to complex neuromuscular control and causes difficulties in impression-making, mastication, and swallowing, which in turn leads to loss of retention and stability in complete dentures...
April 24, 2017: Curēus
https://www.readbyqxmd.com/read/28549752/inter-rater-variability-in-motor-function-assessment-in-parkinson-s-disease-between-experts-in-movement-disorders-and-nurses-specialising-in-pd-management
#18
T de Deus Fonticoba, D Santos García, M Macías Arribí
INTRODUCTION AND OBJECTIVE: In clinical practice, assessing patients with Parkinson's disease (PD) is a complex, time-consuming task. Our purpose is to provide a rigorous and objective evaluation of how motor function in PD patients is assessed by neurologists specialising in movement disorders, on the one hand, and by nurses specialising in PD management, on the other. METHODS: We conducted an observational, cross-sectional, single-centre study of 50 patients with PD (52% men; mean age: 64...
May 23, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28542281/gait-asymmetry-ankle-spasticity-and-depression-as-independent-predictors-of-falls-in-ambulatory-stroke-patients
#19
Ta-Sen Wei, Peng-Ta Liu, Liang-Wey Chang, Sen-Yung Liu
BACKGROUND: Falls are the leading cause of injury in stroke patients. However, the cause of a fall is complicated, and several types of risk factors are involved. Therefore, a comprehensive model to predict falls with high sensitivity and specificity is needed. METHODS: This study was a prospective study of 112 inpatients in a rehabilitation ward with follow-up interviews in patients' homes. Evaluations were performed 1 month after stroke and included the following factors: (1) status of cognition, depression, fear of fall and limb spasticity; (2) functional assessments [walking velocity and the Functional Independence Measure (FIM)]; and (3) objective, computerized gait and balance analyses...
2017: PloS One
https://www.readbyqxmd.com/read/28528447/a-single-bout-of-endurance-exercise-modulates-eeg-microstates-temporal-features
#20
Jérôme N Spring, Miralena I Tomescu, Jérôme Barral
Electrical neuroimaging is a promising method to explore the spontaneous brain function after physical exercise. The present study aims to investigate the effect of acute physical exercise on the temporal dynamic of the resting brain activity captured by the four conventional map topographies (microstates) described in the literature, and to associate these brain changes with the post-exercise neuromuscular function. Twenty endurance-trained subjects performed a 30-min biking task at 60% of their maximal aerobic power followed by a 10 km all-out time trial...
May 20, 2017: Brain Topography
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