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https://www.readbyqxmd.com/read/28227948/stayfit-a-wearable-application-for-gym-based-power-training
#1
Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Rangavittal Narayanan, Vijay N Tiwari, Vivek Jilla, Aman Gaurav, Maram Maheedhar
Comprehensive fitness training involves both cardiorespiratory and power components. Often power/muscle strength training is confused with cardiorespiratory endurance training. However, each of them target different physiological aspects of fitness. Although, wearable based fitness trackers designed towards cardiorespiratory endurance training are available in the market, a dedicated wearable based fitness application designed for power training/tracking is still not readily available to fitness enthusiasts...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226624/a-comparison-of-independent-component-analysis-algorithms-and-measures-to-discriminate-between-eeg-and-artifact-components
#2
Dhani Dharmaprani, Hoang K Nguyen, Trent W Lewis, Dylan DeLosAngeles, John O Willoughby, Kenneth J Pope, Dhani Dharmaprani, Hoang K Nguyen, Trent W Lewis, Dylan DeLosAngeles, John O Willoughby, Kenneth J Pope, John O Willoughby, Hoang K Nguyen, Dylan DeLosAngeles, Trent W Lewis, Dhani Dharmaprani, Kenneth J Pope
Independent Component Analysis (ICA) is a powerful statistical tool capable of separating multivariate scalp electrical signals into their additive independent or source components, specifically EEG or electroencephalogram and artifacts. Although ICA is a widely accepted EEG signal processing technique, classification of the recovered independent components (ICs) is still flawed, as current practice still requires subjective human decisions. Here we build on the results from Fitzgibbon et al. [1] to compare three measures and three ICA algorithms...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226395/healthcare-professionals-accounts-of-challenges-in-managing-motor-neurone-disease-in-primary-healthcare-a-qualitative-study
#3
Sverre Vigeland Lerum, Kari Nyheim Solbraekke, Jan C Frich
Motor neurone disease (MND) is a progressive neurological disease causing muscle wasting, gradual paralysis and respiratory failure, with a life expectancy of 2-4 years. In order to better understand how MND is managed in the community, we conducted a qualitative study to explore the challenges healthcare professionals encounter when managing MND in primary healthcare. Based on data from 15 semi-structured interviews with primary healthcare professionals in Norway, we found that MND is viewed as a condition that requires exceptional effort and detailed planning...
February 22, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28225357/robust-sound-speed-estimation-for-ultrasound-based-hepatic-steatosis-assessment
#4
Imbault Marion, Alex Faccinetto, Bruno-Felix Osmanski, Antoine Tissier, Thomas Deffieux, Jean-Luc Gennisson, Valerie Vilgrain, Mickael Tanter
Hepatic steatosis is a common condition, the prevalence of which is increasing along with non-alcoholic fatty liver disease (NAFLD). Currently, the most accurate noninvasive imaging method for diagnosing and quantifying hepatic steatosis is MRI, which estimates the Proton-Density Fat Fraction (PDFF) as a measure of fractional fat content. However, MRI suffers several limitations including cost, contra-indications and poor availability. Although conventional ultrasound is widely used by radiologists for hepatic steatosis assessment, it remains qualitative and operator dependent...
February 22, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28217825/preoperative-prediction-of-muscular-invasiveness-of-bladder-cancer-with-radiomic-features-on-conventional-mri-and-its-high-order-derivative-maps
#5
Xiaopan Xu, Yang Liu, Xi Zhang, Qiang Tian, Yuxia Wu, Guopeng Zhang, Jiang Meng, Zengyue Yang, Hongbing Lu
PURPOSE: To determine radiomic features which are capable of reflecting muscular invasiveness of bladder cancer (BC) and propose a non-invasive strategy for the differentiation of muscular invasiveness preoperatively. METHODS: Sixty-eight patients with clinicopathologically confirmed BC were included in this retrospective study. A total of 118 cancerous volumes of interest (VOI) were segmented from patients' T2 weighted MR images (T2WI), including 34 non-muscle invasive bladder carcinomas (NMIBCs, stage <T2) and 84 muscle invasive ones (MIBCs, stage ≥T2)...
February 20, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28208108/dietary-administration-of-edc-mixtures-a-focus-on-fish-lipid-metabolism
#6
O Carnevali, V Notarstefano, I Olivotto, M Graziano, P Gallo, I Di Marco Pisciottano, L Vaccari, A Mandich, E Giorgini, F Maradonna
Many man-made chemical compounds are recognized as endocrine disruptors and once released into the environment are likely to spread and bioaccumulate in wild species. Due to their lipophilic nature, these substances pass through the cell membrane or bind to specific receptors activating physiological responses that in the long run can cause reproductive impairment, physiological disorders, including the occurrence of metabolic syndromes. One significant source of contamination is represented by the consumption of polluted food...
February 6, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28207187/a-robust-method-to-generate-mechanically-anisotropic-vascular-smooth-muscle-cell-sheets-for-vascular-tissue-engineering
#7
Daniel E Backman, Bauer L LeSavage, Shivem B Shah, Joyce Y Wong
In arterial tissue engineering, mimicking native structure and mechanical properties is essential because compliance mismatch can lead to graft failure and further disease. With bottom-up tissue engineering approaches, designing tissue components with proper microscale mechanical properties is crucial to achieve the necessary macroscale properties in the final implant. This study develops a thermoresponsive cell culture platform for growing aligned vascular smooth muscle cell (VSMC) sheets by photografting N-isopropylacrylamide (NIPAAm) onto micropatterned poly(dimethysiloxane) (PDMS)...
February 16, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28201986/the-origin-of-chow-chows-in-the-light-of-the-east-asian-breeds
#8
Hechuan Yang, Guodong Wang, Meng Wang, Yaping Ma, Tingting Yin, Ruoxi Fan, Hong Wu, Li Zhong, David M Irwin, Weiwei Zhai, Yaping Zhang
BACKGROUND: East Asian dog breeds are one of the most ancient groups of dogs that radiated after the domestication of the dog and represent the most basal lineages of dog evolution. Among these, the Chow Chow is an ancient breed that embodies very distinct morphological and physiological features, such as sturdy build, dense coat, and blue/purple tongue. RESULTS: Using a Restricted site Associated DNA (RAD) sequencing approach, we sequenced the genomes of nine Chow Chows from China...
February 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28195249/building-blocks-of-the-gipu-italian-group-of-ultrastructural-pathology
#9
V Papa, R Costa, G Cenacchi
The Italian Group of Ultrastructural Pathology, GIPU, is a scientific organization committed to promote the art and science of Electron Microscopy (EM) in the pathology field in Italy, sharing its professional work with a public audience. The history of the GIPU goes back to 1990s when a founder group set up the Italian Group of Ultrastructural Diagnostic (GIDU) in Milan. The central focus of annual meetings was on EM, transmission and scanning one, about interesting cases in which it was instrumental in diagnosis...
June 2016: Pathologica
https://www.readbyqxmd.com/read/28174246/mechanical-tension-and-spontaneous-muscle-twitching-precede-the-formation-of-cross-striated-muscle-in-vivo
#10
Manuela Weitkunat, Martina Lindauer, Andreas Bausch, Frank Schnorrer
Muscle forces are produced by repetitive stereotyped acto-myosin units called sarcomeres. Sarcomeres are chained into linear myofibrils spanning the entire muscle fiber. In mammalian body muscles, myofibrils are aligned laterally resulting in their typical cross-striated morphology. Despite this detailed textbook knowledge about the adult muscle structure, it is still unclear how cross-striated myofibrils are built in vivo Here, we investigate the morphogenesis of Drosophila abdominal muscles and establish them as in vivo model for cross-striated muscle development...
February 7, 2017: Development
https://www.readbyqxmd.com/read/28145991/use-of-dietary-supplements-among-gym-trainees-in-tanta-city-egypt
#11
Ehab A Abo Ali, Hanan H Elgamal
BACKGROUND: The use of dietary supplements has greatly increased in the past few years. Few studies described the prevalence of supplement use among gym trainees. The practices of most of the athletes and gym trainees in Egypt remain undocumented. This study aimed to assess the prevalence of dietary supplement use among gyms trainees in Tanta city, Egypt. PARTICIPANTS AND METHODS: A cross-sectional comparative study was carried out on 450 gym trainees aged more than or equal to 20 years in Tanta city, Egypt...
December 2016: Journal of the Egyptian Public Health Association
https://www.readbyqxmd.com/read/28127425/novel-metabolic-and-physiological-functions-of-branched-chain-amino-acids-a-review
#12
REVIEW
Shihai Zhang, Xiangfang Zeng, Man Ren, Xiangbing Mao, Shiyan Qiao
It is widely known that branched chain amino acids (BCAA) are not only elementary components for building muscle tissue but also participate in increasing protein synthesis in animals and humans. BCAA (isoleucine, leucine and valine) regulate many key signaling pathways, the most classic of which is the activation of the mTOR signaling pathway. This signaling pathway connects many diverse physiological and metabolic roles. Recent years have witnessed many striking developments in determining the novel functions of BCAA including: (1) Insufficient or excessive levels of BCAA in the diet enhances lipolysis...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28124107/the-interaction-between-the-vastus-medialis-and-vastus-intermedius-and-its-influence-on-the-extensor-apparatus-of-the-knee-joint
#13
Karl Grob, Mirjana Manestar, Luis Filgueira, Markus S Kuster, Helen Gilbey, Timothy Ackland
PURPOSE: Although the vastus medialis (VM) is closely associated with the vastus intermedius (VI), there is a lack of data regarding their functional relationship. The purpose of this study was to investigate the anatomical interaction between the VM and VI with regard to their origins, insertions, innervation and function within the extensor apparatus of the knee joint. METHODS: Eighteen human cadaveric lower limbs were investigated using macro-dissection techniques...
January 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28118822/genome-wide-association-study-for-conformation-traits-in-three-danish-pig-breeds
#14
Thu H Le, Ole F Christensen, Bjarne Nielsen, Goutam Sahana
BACKGROUND: Selection for sound conformation has been widely used as a primary approach to reduce lameness and leg weakness in pigs. Identification of genomic regions that affect conformation traits would help to improve selection accuracy for these lowly to moderately heritable traits. Our objective was to identify genetic factors that underlie leg and back conformation traits in three Danish pig breeds by performing a genome-wide association study followed by meta-analyses. METHODS: Data on four conformation traits (front leg, back, hind leg and overall conformation) for three Danish pig breeds (23,898 Landrace, 24,130 Yorkshire and 16,524 Duroc pigs) were used for association analyses...
January 24, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28114966/tgf-%C3%AE-1-induced-differentiation-of-shed-into-functional-smooth-muscle-cells
#15
Jian Guang Xu, Shao Yue Zhu, Boon Chin Heng, Waruna Lakmal Dissanayaka, Cheng Fei Zhang
BACKGROUND: Adequate vascularization is crucial for supplying nutrition and discharging metabolic waste in freshly transplanted tissue-engineered constructs. Obtaining the appropriate building blocks for vascular tissue engineering (i.e. endothelial and mural cells) is a challenging task for tissue neovascularization. Hence, we investigated whether stem cells from human exfoliated deciduous teeth (SHED) could be induced to differentiate into functional vascular smooth muscle cells (vSMCs)...
January 23, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28113324/continuous-estimation-of-human-multi-joint-angles-from-semg-using-a-state-space-model
#16
Qichuan Ding, Jianda Han, Xingang Zhao
Due to the couplings among joint-relative muscles, it is a challenge to accurately estimate continuous multi-joint movements from multi-channel sEMG signals. Traditional approaches always build a nonlinear regression model, such as artificial neural network, to predict the multi-joint movement variables using sEMG as inputs. However, the redundant sEMGdata are always not distinguished; the prediction errors cannot be evaluated and corrected online as well. In this work, a correlation-based redundancy-segmentation method is proposed to segment the sEMG-vector including redundancy into irredundant and redundant subvectors...
December 14, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28107868/effect-of-ppar%C3%AE-agonist-rosiglitazone-on-the-secretion-of-th2-cytokine-in-asthma-mice
#17
Ji-Hui Yu, Li Long, Zhi-Xiao Luo, Jie-Ru You
OBJECTIVE: To explore the effect of PPARγ agonist (rosiglitazone) on the secretion of Th2 cytokines and the proportion of immune cell subsets in asthma mice. METHODS: Ovalbumin (OVA)-sensitized mice were used to build asthma models. Those mice were divided into the normal control group, model group and rosiglitazone group. Differences of the changes in lung histopathology of mice in the three groups were observed through hematoxylin and eosin (HE) strain, and the numbers of the total cells, eosinophils and neutrophils in BALF of mice in the three groups were compared...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28097524/pubovisceralis-muscle-fiber-architecture-determination-comparison-between-biomechanical-modeling-and-diffusion-tensor-imaging
#18
Sofia Brandão, Marco Parente, Elisabete Silva, Thuane Da Roza, Teresa Mascarenhas, João Leitão, João Cunha, Renato Natal Jorge, Rita Gouveia Nunes
Biomechanical analysis of pelvic floor dysfunction requires knowledge of certain biomechanical parameters, such as muscle fiber direction, in order to adequately model function. Magnetic resonance (MR) diffusion tensor imaging (DTI) provides an estimate of overall muscle fiber directionality based on the mathematical description of water diffusivity. This work aimed at evaluating the concurrence between pubovisceralis muscle fiber representations obtained from DTI, and the maximum principal stress lines obtained through the finite element method...
January 17, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28094764/neuromorphic-meets-neuromechanics-part-ii-the-role-of-fusimotor-drive
#19
Kian Jalaleddini, Chuanxin Minos Niu, Suraj Chakravarthi Raja, Won Joon Sohn, Gerald E Loeb, Terence D Sanger, Francisco J Valero-Cuevas
OBJECTIVE: We studied the fundamentals of muscle afferentation by building a Neuro-mechano-morphic system actuating a cadaveric finger. This system is a faithful implementation of the stretch reflex circuitry. It allowed the systematic exploration of the effects of different fusimotor drives to the muscle spindle on the closed-loop stretch reflex response. APPROACH: As in Part I of this work, sensory neurons conveyed proprioceptive information from muscle spindles (with static and dynamic fusimotor drive) to populations of α-motor neurons (with recruitment and rate coding properties)...
January 17, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28063098/muscular-body-build-and-male-sex-are-independently-associated-with-malignant-hyperthermia-susceptibility
#20
Brian Butala, Barbara Brandom
PURPOSE: Malignant hyperthermia susceptibility (MHS) is a disorder of the regulation of calcium in skeletal muscle. Muscular individuals have been shown to have a 13.6-fold increased risk of death during malignant hyperthermia (MH) episodes and are more likely to experience a recurrence after initial treatment. Twenty-five percent of severe MH episodes have occurred in elite athletes. This study investigated the association between MHS and muscular body build. METHODS: Data were obtained from existing reports in the North American Malignant Hyperthermia Registry, including the Report of Muscle Biopsy and Contracture Testing (caffeine-halothane contracture test [CHCT]) as well as Adverse Metabolic or Muscular Reaction to Anesthesia (AMRA) reports...
January 6, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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