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https://www.readbyqxmd.com/read/28231435/impact-of-a-competition-with-two-consecutive-matches-in-a-day-on-physical-performance-in-young-tennis-players
#1
Cesar Gallo-Salazar, Juan Del Coso, David Barbado, Alejandro Lopez-Valenciano, Francisco Javier Santos-Rosa, David Sanz-Rivas, Manuel Moya, Jaime Fernandez-Fernandez
The purpose of this study was to analyze the effects of playing two tennis matches on the same day on physical performance in young tennis players. Twelve well-trained young tennis players took part in a simulated tennis competition consisting of two tennis matches on the same day (morning and afternoon sessions). Before and the day after the competition, physical performance was measured using a battery of countermovement jumps (CMJ), a 10-m sprint, the 5-0-5 agility test, hip, grip and shoulder maximal isometric strength, shoulder range of motion (ROM) and a serve velocity test...
February 23, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28229238/preclinical-endoscopic-training-using-a-part-task-simulator-learning-curve-assessment-and-determination-of-threshold-score-for-advancement-to-clinical-endoscopy
#2
Pichamol Jirapinyo, Wasif M Abidi, Hiroyuki Aihara, Theodore Zaki, Cynthia Tsay, Avlin B Imaeda, Christopher C Thompson
BACKGROUND: Preclinical simulator training has the potential to decrease endoscopic procedure time and patient discomfort. This study aims to characterize the learning curve of endoscopic novices in a part-task simulator and propose a threshold score for advancement to initial clinical cases. METHODS: Twenty novices with no prior endoscopic experience underwent repeated endoscopic simulator sessions using the part-task simulator. Simulator scores were collected; their inverse was averaged and fit to an exponential curve...
February 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28229138/eawag-soil-in-envipath-a-new-resource-for-exploring-regulatory-pesticide-soil-biodegradation-pathways-and-half-life-data
#3
Diogo A R S Latino, Jörg Wicker, Martin Gütlein, Emanuel Schmid, Stefan Kramer, Kathrin Fenner
Developing models for the prediction of microbial biotransformation pathways and half-lives of trace organic contaminants in different environments requires as training data easily accessible and sufficiently large collections of respective biotransformation data that are annotated with metadata on study conditions. Here, we present the Eawag-Soil package, a public database that has been developed to contain all freely accessible regulatory data on pesticide degradation in laboratory soil simulation studies for pesticides registered in the EU (282 degradation pathways, 1535 reactions, 1619 compounds and 4716 biotransformation half-life values with corresponding metadata on study conditions)...
February 23, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28227966/real-time-evaluation-of-a-myoelectric-control-method-for-high-level-upper-limb-amputees-based-on-homologous-leg-movements
#4
Kenneth R Lyons, Sanjay S Joshi, Kenneth R Lyons, Sanjay S Joshi, Sanjay S Joshi, Kenneth R Lyons
Electromyography-based gesture classification methods for control of advanced upper limb prostheses are limited either to individuals with amputations distal to the elbow or to those willing to undergo targeted muscle reinnervation surgery. Based on the natural similarity between gestures of the lower leg and the arm and on established methods in electromyography-based gesture classification, we propose a noninvasive system with which users control an upper limb prosthesis via homologous movements of the leg and foot...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227905/a-supervised-learning-rule-for-classification-of-spatiotemporal-spike-patterns
#5
Lilin Guo, Zhenzhong Wang, Malek Adjouadi, Lilin Guo, Zhenzhong Wang, Malek Adjouadi, Lilin Guo, Zhenzhong Wang, Malek Adjouadi
This study introduces a novel supervised algorithm for spiking neurons that take into consideration synapse delays and axonal delays associated with weights. It can be utilized for both classification and association and uses several biologically influenced properties, such as axonal and synaptic delays. This algorithm also takes into consideration spike-timing-dependent plasticity as in Remote Supervised Method (ReSuMe). This paper focuses on the classification aspect alone. Spiked neurons trained according to this proposed learning rule are capable of classifying different categories by the associated sequences of precisely timed spikes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227629/inertial-sensor-based-gait-analysis-discriminates-subjects-with-and-without-visual-impairment-caused-by-simulated-macular-degeneration
#6
Christoph M Kanzler, Jens Barth, Jochen Klucken, Bjoern M Eskofier, Christoph M Kanzler, Jens Barth, Jochen Klucken, Bjoern M Eskofier, Jens Barth, Jochen Klucken, Bjoern M Eskofier, Christoph M Kanzler
Macular degeneration is the third leading cause of blindness worldwide and the leading cause of blindness in the developing world. The analysis of gait parameters can be used to assess the influence of macular degeneration on gait. This study examines the effect of macular degeneration on gait using inertial sensor based 3D spatio-temporal gait parameters. We acquired gait data from 21 young and healthy subjects during a 40 m obstacle walk. All subjects had to perform the gait trial with and without macular degeneration simulation glasses...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227397/investigation-of-gaze-patterns-in-multi-view-laparoscopic-surgery
#7
Navaneeth Kamballur Kottayil, Rositsa Bogdanova, Irene Cheng, Bin Zheng, Anup Basu, Navaneeth Kamballur Kottayil, Rositsa Bogdanova, Irene Cheng, Bin Zheng, Anup Basu, Bin Zheng, Anup Basu, Navaneeth Kamballur Kottayil, Irene Cheng, Rositsa Bogdanova
Laparoscopic Surgery (LS) is a modern surgical technique whereby the surgery is performed through an incision with tools and camera as opposed to conventional open surgery. This promises minimal recovery times and less hemorrhaging. Multi view LS is the latest development in the field, where the system uses multiple cameras to give the surgeon more information about the surgical site, potentially making the surgery easier. In this publication, we study the gaze patterns of a high performing subject in a multi-view LS environment and compare it with that of a novice to detect the differences between the gaze behavior...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227353/low-resolution-tool-tracking-for-microsurgical-training-in-a-simulated-environment
#8
Antonio Carlos Furtado, Irene Cheng, Eric Fung, Bin Zheng, Anup Basu, Antonio Carlos Furtado, Irene Cheng, Eric Fung, Bin Zheng, Anup Basu, Anup Basu, Eric Fung, Antonio Carlos Furtado, Irene Cheng, Bin Zheng
In this work, we propose a method that detects and tracks the tip of tools used in microsurgical training. This method can be used to provide valuable metrics regarding the surgeon's hand movement. It can benefit the training of surgeons, given the steep learning curve in microsurgery. Unlike past research, our tool tracking algorithm does not rely on color based measurements. Thus, it can be used in a broader domain. Also, our approach is robust to surrounding environments with non-static background, where background subtraction techniques are not suitable...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227287/identification-and-annotation-of-multiple-periodic-pulse-trains-using-dominant-frequency-and-graph-search-applications-in-atrial-fibrillation-rotor-detection
#9
Rupin Dalvi, Adrian Suszko, Vijay S Chauhan, Rupin Dalvi, Adrian Suszko, Vijay S Chauhan, Rupin Dalvi, Adrian Suszko, Vijay S Chauhan
Biological signals, such as intracardiac electrograms during atrial fibrillation (AF), can contain multiple periodic components or peaks. We propose a method for identifying individual periodic peak trains in signals containing multiple such periodic sequences. We use dominant frequency-based periodicity detection along with a graph search algorithm to identify the most dominant periodic activation set or peaks of interest. We then remove these peaks and iterate until all periodic sequences are identified. The proposed method is tested on simulated AF intra-cardiac electrograms with periodic activation trains of three distinct frequencies corrupted by noise and complex aperiodic signal features...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227154/teaching-cardiopulmonary-auscultation-in-workshops-using-a-virtual-patient-simulation-technology-a-pilot-study
#10
D Pereira, P Gomes, S Faria, R Cruz-Correia, M Coimbra, D Pereira, P Gomes, S Faria, R Cruz-Correia, M Coimbra, P Gomes, R Cruz-Correia, S Faria, M Coimbra, D Pereira
Auscultation is currently both a powerful screening tool, providing a cheap and quick initial assessment of a patient's clinical condition, and a hard skill to master. The teaching of auscultation in Universities is today reduced to an unsuitable number of hours. Virtual patient simulators can potentially mitigate this problem, by providing an interesting high-quality alternative to teaching with real patients or patient simulators. In this paper we evaluate the pedagogical impact of using a virtual patient simulation technology in a short workshop format for medical students, training them to detect cardiac pathologies...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227147/blood-glucose-level-prediction-based-on-support-vector-regression-using-mobile-platforms
#11
Maximilian P Reymann, Eva Dorschky, Benjamin H Groh, Christine Martindale, Peter Blank, Bjoern M Eskofier, Maximilian P Reymann, Eva Dorschky, Benjamin H Groh, Christine Martindale, Peter Blank, Bjoern M Eskofier
The correct treatment of diabetes is vital to a patient's health: Staying within defined blood glucose levels prevents dangerous short- and long-term effects on the body. Mobile devices informing patients about their future blood glucose levels could enable them to take counter-measures to prevent hypo or hyper periods. Previous work addressed this challenge by predicting the blood glucose levels using regression models. However, these approaches required a physiological model, representing the human body's response to insulin and glucose intake, or are not directly applicable to mobile platforms (smart phones, tablets)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227064/energy-based-metrics-for-laparoscopic-skills-assessment
#12
Behnaz Poursartip, Marie-Eve LeBel, Rajni V Patel, Michael D Naish, Ana Luisa Trejos, Behnaz Poursartip, Marie-Eve LeBel, Rajni V Patel, Michael D Naish, Ana Luisa Trejos, Rajni V Patel, Michael D Naish, Marie-Eve LeBel, Ana Luisa Trejos, Behnaz Poursartip
The growing popularity of minimally invasive surgery (MIS) can be attributed to its advantages, which include reduced post-operative pain, a shorter hospital stay, and faster recovery. However, MIS requires extensive training for surgeons to become experts in their field of practice. Different assessment methods have been proposed for evaluating the performance of surgeons and residents on surgical simulators. Nonetheless, optimal objective performance measures are still lacking. In this study, three metrics for minimally invasive skills assessment are proposed based on energy expenditure: work, potential energy and kinetic energy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227063/diorama-enhances-efficiency-of-a-mass-casualty-incident-system-and-experimentation
#13
Aura Ganz, James M Schafer, Zhuorui Yang, Jun Yi, Gregory Ciottone, Aura Ganz, James M Schafer, Zhuorui Yang, Jun Yi, Gregory Ciottone, Zhuorui Yang, Aura Ganz, Jun Yi, Gregory Ciottone, James M Schafer
In this paper we show DIORAMA efficiency in a simulated Mass Casualty Incident drill. As shown by our results DIORAMA system has achieved orderly transport of patients from site of injury to collection point, all red before the yellow were transported (no order was obeyed in the paper drills). We also show that DIORAMA system was used by responders with very short training time and by responders that are not familiar with each other. The qualitative results show that DIORAMA system was found to be user friendly and useful in tracking patients and responders in real time...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226970/automated-social-skills-training-with-audiovisual-information
#14
Hiroki Tanaka, Sakriani Sakti, Graham Neubig, Hideki Negoro, Hidemi Iwasaka, Satoshi Nakamura, Hiroki Tanaka, Sakriani Sakti, Graham Neubig, Hideki Negoro, Hidemi Iwasaka, Satoshi Nakamura, Sakriani Sakti, Hidemi Iwasaka, Hiroki Tanaka, Satoshi Nakamura, Graham Neubig, Hideki Negoro
People with social communication difficulties tend to have superior skills using computers, and as a result computer-based social skills training systems are flourishing. Social skills training, performed by human trainers, is a well-established method to obtain appropriate skills in social interaction. Previous works have attempted to automate one or several parts of social skills training through human-computer interaction. However, while previous work on simulating social skills training considered only acoustic and linguistic features, human social skills trainers take into account visual features (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226958/six-axis-orthodontic-force-and-moment-sensing-system-for-dentist-technique-training
#15
Yoshiyuki Midorikawa, Hiroshi Takemura, Hiroshi Mizoguchi, Kohei Soga, Masao Kamimura, Kazuhiro Suga, Wei-Jen Lai, Zuisei Kanno, Motohiro Uo, Yoshiyuki Midorikawa, Hiroshi Takemura, Hiroshi Mizoguchi, Kohei Soga, Masao Kamimura, Kazuhiro Suga, Wei-Jen Lai, Zuisei Kanno, Motohiro Uo, Wei-Jen Lai, Motohiro Uo, Hiroshi Takemura, Masao Kamimura, Zuisei Kanno, Yoshiyuki Midorikawa, Hiroshi Mizoguchi, Kazuhiro Suga, Kohei Soga
The purpose of this study is to develop a sensing system device that measures three-axis orthodontic forces and three-axis orthodontic moments for dentist training. The developed sensing system is composed of six-axis force sensors, action sticks, sliders, and tooth models. The developed system also simulates various types of tooth row shape patterns in orthodontic operations, and measures a 14 × 6 axis orthodontic force and moment from tooth models simultaneously. The average force and moment error per loaded axis were 2...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226957/inexpensive-bone-cement-substitute-for-vertebral-cement-augmentation-training
#16
Marianne Hollensteiner, Markus Samrykit, Michael Hess, David Fuerst, Benjamin Esterer, Andreas Schrempf, Marianne Hollensteiner, Markus Samrykit, Michael Hess, David Fuerst, Benjamin Esterer, Andreas Schrempf, Benjamin Esterer, Michael Hess, Markus Samrykit, Andreas Schrempf, Marianne Hollensteiner, David Fuerst
Vertebral compression fractures are treated surgically for approximately 25 years. In percutaneous cement augmentation techniques bone cement is applied to a fractured vertebra under fluoroscopic evidence to stabilize the bone fragments. Complications due to leakage of the low viscosity bone cement are reported in 5 to 15% of all routine cases. During the intraoperative application of bone cement surgeons rely on visiohaptic feedback and hence need to be familiar with the cement's rheology properties. Therefore, training is necessary...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226944/3d-force-torque-characterization-of-emergency-cricothyroidotomy-procedure-using-an-instrumented-scalpel
#17
Adam Ryason, Ganesh Sankaranarayanan, Kathryn L Butler, Marc DeMoya, Suvranu De, Adam Ryason, Ganesh Sankaranarayanan, Kathryn L Butler, Marc DeMoya, Suvranu De, Suvranu De, Marc DeMoya, Kathryn L Butler, Ganesh Sankaranarayanan, Adam Ryason
Emergency Cricothyroidotomy (CCT) is a surgical procedure performed to secure a patient's airway. This high-stakes, but seldom-performed procedure is an ideal candidate for a virtual reality simulator to enhance physician training. For the first time, this study characterizes the force/torque characteristics of the cricothyroidotomy procedure, to guide development of a virtual reality CCT simulator for use in medical training. We analyze the upper force and torque thresholds experienced at the human-scalpel interface...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226933/development-of-artificial-tissue-like-structures-for-a-hybrid-epidural-anesthesia-simulator
#18
Benjamin Esterer, Johannes Razenbock, Marianne Hollensteiner, David Fuerst, Andreas Schrempf, Benjamin Esterer, Johannes Razenbock, Marianne Hollensteiner, David Fuerst, Andreas Schrempf, David Fuerst, Benjamin Esterer, Johannes Razenbock, Andreas Schrempf, Marianne Hollensteiner
Puncturing the epidural space and lumbar puncture are common procedures in anesthesia. They are carried out blind, where a needle is advanced from posterior between two adjacent vertebrae. Two different approaches are common practice for this technique, the midline and the paramedian one. The learning curve characteristics of both approaches significantly depends on the number of punctures carried out by a medical novice. For the training of these blind procedures a hybrid simulator requires artificial structures imitating the tissues which are penetrated by the needle...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226812/identification-of-time-varying-neural-dynamics-from-spiking-activities-using-chebyshev-polynomials
#19
Song Xu, Yang Li, Xudong Wang, Rosa H M Chan, Song Xu, Yang Li, Xudong Wang, Rosa H M Chan, Xudong Wang, Rosa H M Chan, Song Xu, Yang Li
Neural plasticity, elicited by processes such as development and learning, is an important biological attribute which can be viewed as a time-varying property of the nervous system. In this paper, we investigated the novel use of Chebyshev polynomials to estimate the changes in model parameters efficiently for time-varying dynamical systems with binary inputs and outputs. A forward orthogonal least square (FOLS) algorithm selected the significant model terms. Extensive simulations showed that the proposed algorithm identified the system changes more accurately in comparison with adaptive filter...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226662/neurophysiological-measures-for-users-training-objective-assessment-during-simulated-robot-assisted-laparoscopic-surgery
#20
Gianluca Borghini, Pietro Arico, Gianluca Di Flumeri, Alfredo Colosimo, Silvia Francesca Storti, Gloria Menegaz, Paolo Fiorini, Fabio Babiloni, Gianluca Borghini, Pietro Arico, Gianluca Di Flumeri, Alfredo Colosimo, Silvia Francesca Storti, Gloria Menegaz, Paolo Fiorini, Fabio Babiloni, Gianluca Borghini, Pietro Arico, Gloria Menegaz, Fabio Babiloni, Alfredo Colosimo, Gianluca Di Flumeri, Silvia Francesca Storti, Paolo Fiorini
Minimally invasive surgery can be performed with robotic assistance, as evolution of laparoscopic surgery. Robots for assisted surgery are far from being user friendly and require extensive training. To this end, ad-hoc devices and experimental set-ups are needed. The da Vinci system is one of the most diffused surgical robotics technology. The aim of the study was two-fold: i) to propose a neurophysiological measure by which objectively assess the learning progress of the users by means of a simulator of the da Vinci system, and ii) to demonstrate the advantages of cognitive assessment with respect to the standard methodologies for the evaluation of training efficiency...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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