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https://www.readbyqxmd.com/read/28324962/design-of-a-dual-hormone-model-predictive-control-for-artificial-pancreas-with-exercise-model
#1
Navid Resalat, Joseph El Youssef, Ravi Reddy, Peter G Jacobs
The Artificial Pancreas (AP) is a new technology for helping people with type 1 diabetes to better control their glucose levels through automated delivery of insulin and optionally glucagon in response to sensed glucose levels. In a dual hormone AP, insulin and glucagon are delivered automatically to the body based on glucose sensor measurements using a control algorithm that calculates the amount of hormones to be infused. A dual-hormone MPC may deliver insulin continuously; however, it must avoid continuous delivery of glucagon because nausea can occur from too much glucagon...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324957/evaluation-of-skills-in-swing-technique-in-classical-japanese-swordsmanship-using-sensors
#2
S Okamoto
In this study, we analyzed the swing motions of more experienced practitioner and new practitioner of iaido players by using tri-axial acceleration sensor and gyro sensor. Iaido is a modern Japanese martial art/sport. In this way, the acceleration and gyro sensor measurement enabled detailed motion information at the installation points to be displayed in a short time, thus making it possible to easily extract the objective problems. Although it was not possible to confirm by the acceleration and angular velocity measurements the detailed motion of the entire body as obtained in the 2D motion analysis with a high-speed camera, it was confirmed that the acceleration and gyro sensor is an evaluation means that can be installed easily and can provide the exercise information in a short time as an objective index...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324936/a-preliminary-study-on-multi-wavelength-ppg-based-pulse-transit-time-detection-for-cuffless-blood-pressure-measurement
#3
Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao
Pulse transit time (PTT) has been widely studied as an index of blood pressure (BP) changes. In recent years, some prototypes of PTT-based wearable BP measurement devices have been developed, which can relieve users from the discomfort caused by the inflating cuff used in auscultatory and oscillometric BP measurement techniques. However, in the common practice for PTT detection, multi-site sensor implementation on human body is required, making it difficult for the integration of wearable devices. Since multi-wavelength (MW) photoplethysmogram (PPG) signals carry blood pulsation information of different blood vessels embedded in different skin depths, the time difference between different wavelength PPG signals collected at the same body site can be treated as a special PTT on a short length of blood vessels beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324847/species-identification-in-forensic-samples-using-the-spindel-approach-a-ghep-isfg-inter-laboratory-collaborative-exercise
#4
Cíntia Alves, Rui Pereira, Lourdes Prieto, Mercedes Aler, Cesar R L Amaral, Cristina Arévalo, Gabriela Berardi, Florencia Di Rocco, Mariela Caputo, Cristian Hernandez Carmona, Laura Catelli, Heloísa Afonso Costa, Pavla Coufalova, Sandra Furfuro, Óscar García, Anibal Gaviria, Ana Goios, Juan José Builes Gómez, Alexis Hernández, Eva Del Carmen Betancor Hernández, Luís Miranda, David Parra, Susana Pedrosa, Maria João Anjos Porto, Maria de Lurdes Rebelo, Matteo Spirito, María Del Carmen Villalobos Torres, António Amorim, Filipe Pereira
DNA is a powerful tool available for forensic investigations requiring identification of species. However, it is necessary to develop and validate methods able to produce results in degraded and or low quality DNA samples with the high standards obligatory in forensic research. Here, we describe a voluntary collaborative exercise to test the recently developed Species Identification by Insertions/Deletions (SPInDel) method. The SPInDel kit allows the identification of species by the generation of numeric profiles combining the lengths of six mitochondrial ribosomal RNA (rRNA) gene regions amplified in a single reaction followed by capillary electrophoresis...
March 7, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28324757/perceptual-category-learning-and-visual-processing-an-exercise-in-computational-cognitive-neuroscience
#5
George Cantwell, Maximilian Riesenhuber, Jessica L Roeder, F Gregory Ashby
The field of computational cognitive neuroscience (CCN) builds and tests neurobiologically detailed computational models that account for both behavioral and neuroscience data. This article leverages a key advantage of CCN-namely, that it should be possible to interface different CCN models in a plug-and-play fashion-to produce a new and biologically detailed model of perceptual category learning. The new model was created from two existing CCN models: the HMAX model of visual object processing and the COVIS model of category learning...
March 6, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28324752/vertical-ground-reaction-force-during-standing-and-walking-are-they-related-to-bone-mineral-density-left-right-asymmetries
#6
Marina Brozgol, Mira Arbiv, Anat Mirelman, Talia Herman, Jeffrey M Hausdorff, Nachum Vaisman
Osteoporosis is a systemic skeletal disease that is characterized by reduced bone mass, deterioration of bone tissue and skeletal fragility. The purpose of the current study was to determine whether asymmetrical femur bone mineral density (BMD) is associated with asymmetrical gait and standing. We compared measures of gait and standing asymmetry in subjects with (n=38) and without (n=11) significant left-right differences in BMD. Participants walked for 72m at their comfortable speed and stood quietly for 60s while outfitted with pressure-sensitive insoles...
March 7, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28324186/association-of-evening-smartphone-use-with-cardiac-autonomic-nervous-activity-after-awakening-in-adolescents-living-in-high-school-dormitories
#7
Yoko Nose, Rina Fujinaga, Maki Suzuki, Ikuyo Hayashi, Toshio Moritani, Kazuhiko Kotani, Narumi Nagai
PURPOSE: Smartphones are prevalently used among adolescents; however, nighttime exposure to blue-enriched light, through electric devices, is known to induce delays of the circadian rhythm phases and poor morning somatic conditions. We therefore investigated whether evening smartphone use may affect sleep-wake cycle and cardiac autonomic nervous system (ANS) activity after awaking in dormitory students. METHODS: The participants were high school students, living under dormitory rules regarding the curfew, study, meals, lights-out, and wake-up times...
March 21, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28324168/the-effect-of-eccentric-exercise-with-blood-flow-restriction-on-neuromuscular-activation-microvascular-oxygenation-and-the-repeated-bout-effect
#8
Jakob D Lauver, Trent E Cayot, Timothy Rotarius, Barry W Scheuermann
PURPOSE: To examine the effect of low-intensity eccentric contractions with and without blood flow restriction (BFR) on microvascular oxygenation, neuromuscular activation, and the repeated bout effect (RBE). METHODS: Participants were randomly assigned to either low-intensity (LI), low-intensity with BFR (LI-BFR), or a control (CON) group. Participants in LI and LI-BFR performed a preconditioning bout of low-intensity eccentric exercise prior to about of maximal eccentric exercise...
March 21, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28324139/-diagnosis-and-treatment-of-dysphagia
#9
S Cantemir, A Laubert
Most swallowing problems can be treated, although the treatment depends on the type of dysphagia. A multidisciplinary team of surgeons, phoniatrists, and speech-language therapists is necessary to develop the appropriate treatment strategy. A thorough medical history, clinical investigation of the swallowing muscles, and fiberoptic endoscopic evaluation of swallowing with foods of different consistencies help to decide whether swallowing exercises alone are sufficient, or whether an additional pharmacologic or surgical treatment is needed to prevent aspiration, malnutrition, and dehydration...
March 21, 2017: HNO
https://www.readbyqxmd.com/read/28324125/exercise-and-cancer-from-healthy-to-therapeutic
#10
REVIEW
Manja Idorn, Per Thor Straten
Exercise improves functional capacity and patient-reported outcomes across a range of cancer diagnoses. The mechanisms behind this protection have been largely unknown, but exercise-mediated changes in body composition, sex hormone levels, systemic inflammation, and immune cell function have been suggested to play a role. We recently demonstrated that voluntary exercise leads to an influx of immune cells in tumors, and a more than 60% reduction in tumor incidence and growth across several mouse models. Given the common mechanisms of immune cell mobilization in mouse and man during exercise, we hypothesize that this link between exercise and the immune system can be exploited in cancer therapy in particular in combination with immunotherapy...
March 21, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28324098/exercise-during-pregnancy
#11
María Perales, Raul Artal, Alejandro Lucia
No abstract text is available yet for this article.
March 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28323991/whole-body-vibration-mimics-the-metabolic-effects-of-exercise-in-male-leptin-receptor-deficient-mice
#12
Meghan E McGee-Lawrence, Karl H Wenger, Sudipta Misra, Catherine L Davis, Norman K Pollock, Mohammed Elsalanty, Kehong Ding, Carlos M Isales, Mark W Hamrick, Joanna R Erion, Marlena Wosiski-Kuhn, Phonepasong Arounleut, Mark P Mattson, Roy G Cutler, Jack C Yu, Alexis M Stranahan
Whole-body vibration has gained attention as a potential exercise mimetic, but direct comparisons with the metabolic effects of exercise are scarce. To determine whether whole-body vibration recapitulates the metabolic and osteogenic effects of physical activity, we exposed male wildtype (Wt) and leptin receptor deficient (db/db) mice to daily treadmill exercise or whole-body vibration for three months. Body weights were analyzed and compared with Wt and db/db mice that remained sedentary. Glucose and insulin tolerance testing revealed comparable attenuation of hyperglycemia and insulin resistance in db/db mice following treadmill exercise or whole-body vibration...
March 15, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323968/impaired-glycine-mia-in-type-2-diabetes-and-potential-mechanisms-contributing-to-glucose-homeostasis
#13
Richard Yan-Do, Patrick E MacDonald
The onset and/or progression of type 2 diabetes (T2D) can be prevented if intervention is early enough. As such, much effort has been placed on the search for indicators predictive of pre-diabetes and disease onset or progression. An increasing body of evidence suggests that changes in plasma glycine may be one such biomarker. Circulating glycine levels are consistently low in patients with T2D. Levels of this non-essential amino acid correlate negatively with obesity and insulin resistance. Plasma glycine correlates positively with glucose disposal, and rises with interventions such as exercise and bariatric surgery that improve glucose homeostasis...
March 15, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323893/effect-of-supervised-exercise-training-during-pregnancy-on-neonatal-and-maternal-outcomes-among-overweight-and-obese-women-secondary-analyses-of-the-etip-trial-a-randomised-controlled-trial
#14
Kirsti Krohn Garnæs, Siri Ann Nyrnes, Kjell Åsmund Salvesen, Øyvind Salvesen, Siv Mørkved, Trine Moholdt
BACKGROUND: Maternal obesity associates with complications during pregnancy and childbirth. Our aim was to investigate if exercise during pregnancy in overweight/obese women could influence birth weight or other neonatal and maternal outcomes at delivery. MATERIAL AND METHODS: This is a secondary analysis of a randomised controlled trial of exercise training in pregnancy for women with body mass index (BMI) ≥ 28 kg/m2. Ninety-one women (31.3 ± 4.3 years, BMI 34...
2017: PloS One
https://www.readbyqxmd.com/read/28323761/effect-of-land-based-generic-physical-activity-interventions-on-pain-physical-function-and-physical-performance-in-hip-and-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#15
Shanelle Fernandopulle, Meredith Perry, Donald Manlapaz, Prasath Jayakaran
OBJECTIVE: The aim of this study was to evaluate the effects of land-based generic physical activity interventions on pain, physical function, and physical performance in individuals with hip/knee osteoarthritis, when compared with a control group that received no intervention, minimal intervention, or usual care. METHODS: A systematic search for randomized controlled trials on 11 electronic databases (from their inception up until April 30, 2016) identified 27 relevant articles...
March 18, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28323625/the-effects-of-stretching-training-on-cardiac-autonomic-function-in-obese-postmenopausal-women
#16
Alexei Wong, Marcos Sanchez-Gonzalez, Roy Kalfon, Stacey Alvarez-Alvarado, Arturo Figueroa
Context • Menopause and obesity are associated with autonomic dysfunction. Unconventional exercise modalities that include an important flexibility component seem to improve cardiac autonomic function by lowering sympathetic tone and increasing vagal modulation of the heart rate (HR). Yet clear evidence of the effects of stretching training (ST) on cardiac autonomic modulation is limited. Objective • The present study intended to examine the effects of ST on HR variability (HRV) and flexibility in obese postmenopausal women...
March 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28323585/feasibility-of-hypoxic-challenge-testing-in-children-and-adolescents-with-congenital-heart-and-lung-disease
#17
Mandy E Spoorenberg, Erik H J Hulzebos, Tim Takken
BACKGROUND: This is a cross-sectional observational study to investigate the safety and feasibility of integrating changing body positions and physical activity in a hypoxic challenge test (HCT). The secondary objective was to compare oxygen saturation (Spo2) in two different locations (forehead and finger). METHODS: Included were 12 pediatric to young adult patients with congenital heart (N = 7) or lung disease (N = 5). An HCT was performed using breathing room air (21% oxygen) while sitting and breathing a normobaric hypoxic gas mixture (15% oxygen) through a facemask while seated, lying supine, standing, walking 3 km/h, and walking 5 km/h in a nonrandomized order...
December 1, 2016: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28323574/the-effects-of-an-increased-calorie-breakfast-consumed-prior-to-simulated-match-play-in-academy-soccer-players
#18
Marc A Briggs, Liam D Harper, Ged McNamee, Emma Cockburn, Penny L S Rumbold, Emma J Stevenson, Mark Russell
Dietary analysis of Academy soccer players highlights that total energy and carbohydrate intakes are less than optimal, especially, on match-days. As UK Academy matches predominantly kick-off at ∼11:00 h, breakfast is likely the last pre-exercise meal and thus may provide an intervention opportunity on match-day. Accordingly, the physiological and performance effects of an increased calorie breakfast consumed ∼135-min before soccer-specific exercise was investigated. English Premier League Academy soccer players (n = 7) repeated a 90-min soccer match simulation on two occasions after consumption of habitual (Bhab; ∼1100 kJ) or increased (Binc; ∼2100 kJ) energy breakfasts standardised for macronutrient contributions (∼60% carbohydrates, ∼15% proteins and ∼25% fats)...
March 21, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28323475/universal-mandatory-reporting-policies-and-the-odds-of-identifying-child-physical-abuse
#19
Grace W K Ho, Deborah A Gross, Amie Bettencourt
OBJECTIVES: To examine the relationships between universal mandatory reporting (UMR), child physical abuse reporting, and the moderating effect of UMR on physical abuse report outcomes by report source. METHODS: We used a national data set of 204 414 children reported for physical abuse in 2013 to compare rates of total and confirmed reports by states or territories with and without UMR. We estimated odds and predicted probabilities of confirming a physical abuse report made by professional versus nonprofessional reporters, accounting for the moderating effect of UMR and individual-level characteristics...
March 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28320154/advances-in-assessing-myotonia-can-sensor-engineered-glove-have-a-role
#20
Simona Portaro, Margherita Russo, Antonino Naro, Alessia Bramanti, Placido Bramanti, Carmelo Rodolico, Rocco Salvatore Calabrò
Non-dystrophic (NDMs) and Dystrophic Myotonias (DMs) are diseases characterized by the presence of myotonia with or without muscle weakness. A standardized myotonia assessment is important to more objectively quantify the handgrip myotonia. We screened 10 patients affected by NDM and 10 patients with DM, using the sensor-engineered glove (SEG). The time required to perform a complete finger extension (grip myotonia time, GMT) at maximum velocity (MV) after maximum voluntary contraction (MVC) was evaluated through an ad hoc protocol including rest, exercise, and ice effects on handgrip myotonia...
April 15, 2017: Journal of the Neurological Sciences
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