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https://www.readbyqxmd.com/read/28325014/real-time-monitoring-of-swimming-performance
#1
R Delgado-Gonzalo, A Lemkaddem, Ph Renevey, E Muntane Calvo, M Lemay, K Cox, D Ashby, J Willardson, M Bertschi
This article presents the performance results of a novel algorithm for swimming analysis in real-time within a low-power wrist-worn device. The estimated parameters are: lap count, stroke count, time in lap, total swimming time, pace/speed per lap, total swam distance, and swimming efficiency (SWOLF). In addition, several swimming styles are automatically detected. Results were obtained using a database composed of 13 different swimmers spanning 646 laps and 858.78 min of total swam time. The final precision achieved in lap detection ranges between 99...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28306196/flexible-sensing-electronics-for-wearable-attachable-health-monitoring
#2
REVIEW
Xuewen Wang, Zheng Liu, Ting Zhang
Wearable or attachable health monitoring smart systems are considered to be the next generation of personal portable devices for remote medicine practices. Smart flexible sensing electronics are components crucial in endowing health monitoring systems with the capability of real-time tracking of physiological signals. These signals are closely associated with body conditions, such as heart rate, wrist pulse, body temperature, blood/intraocular pressure and blood/sweat bio-information. Monitoring such physiological signals provides a convenient and non-invasive way for disease diagnoses and health assessments...
March 17, 2017: Small
https://www.readbyqxmd.com/read/28303432/network-coded-cooperative-communication-in-a-real-time-wireless-hospital-sensor-network
#3
R Prakash, A Balaji Ganesh, Somu Sivabalan
The paper presents a network coded cooperative communication (NC-CC) enabled wireless hospital sensor network architecture for monitoring health as well as postural activities of a patient. A wearable device, referred as a smartband is interfaced with pulse rate, body temperature sensors and an accelerometer along with wireless protocol services, such as Bluetooth and Radio-Frequency transceiver and Wi-Fi. The energy efficiency of wearable device is improved by embedding a linear acceleration based transmission duty cycling algorithm (NC-DRDC)...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28299934/antibacterial-composite-film-based-triboelectric-nanogenerator-for-harvesting-walking-energy
#4
Guangqin Gu, Changbao Han, Jingjing Tian, Cunxin Lu, Chuan He, Tao Jiang, Zhou Li, Zhong Lin Wang
As a green and eco-friendly technology, triboelectric nanogenerator (TENG) can harvest energy from human motion to generate electricity, so TENGs have been widely applied in wearable electronic devices to replace the traditional batteries. However, the surface of these TENGs is easy to be contaminated and breed bacteria, which is a threat to human health. Here, we report an antibacterial composite film-based triboelectric nanogenerator (ACF-TENG) that uses Ag exchanged zeolite (Ag-zeolite) and polypropylene (PP) composite film as the triboelectric layer...
March 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28290206/diverse-applications-of-nanomedicine
#5
Beatriz Pelaz, Christoph Alexiou, Ramon A Alvarez-Puebla, Frauke Alves, Anne M Andrews, Sumaira Ashraf, Lajos P Balogh, Laura Ballerini, Alessandra Bestetti, Cornelia Brendel, Susanna Bosi, Monica Carril, Warren C W Chan, Chunying Chen, Xiaodong Chen, Xiaoyuan Chen, Zhen Cheng, Daxiang Cui, Jianzhong Du, Christian Dullin, Alberto Escudero, Neus Feliu, Mingyuan Gao, Michael George, Yury Gogotsi, Arnold Grünweller, Zhongwei Gu, Naomi J Halas, Norbert Hampp, Roland K Hartmann, Mark C Hersam, Patrick Hunziker, Ji Jian, Xingyu Jiang, Philipp Jungebluth, Pranav Kadhiresan, Kazunori Kataoka, Ali Khademhosseini, Jindřich Kopeček, Nicholas A Kotov, Harald F Krug, Dong Soo Lee, Claus-Michael Lehr, Kam W Leong, Xing-Jie Liang, Mei Ling Lim, Luis M Liz-Marzán, Xiaowei Ma, Paolo Macchiarini, Huan Meng, Helmuth Möhwald, Paul Mulvaney, Andre E Nel, Shuming Nie, Peter Nordlander, Teruo Okano, Jose Oliveira, Tai Hyun Park, Reginald M Penner, Maurizio Prato, Victor Puntes, Vincent M Rotello, Amila Samarakoon, Raymond E Schaak, Youqing Shen, Sebastian Sjöqvist, Andre G Skirtach, Mahmoud G Soliman, Molly M Stevens, Hsing-Wen Sung, Ben Zhong Tang, Rainer Tietze, Buddhisha N Udugama, J Scott VanEpps, Tanja Weil, Paul S Weiss, Itamar Willner, Yuzhou Wu, Lily Yang, Zhao Yue, Qian Zhang, Qiang Zhang, Xian-En Zhang, Yuliang Zhao, Xin Zhou, Wolfgang J Parak
The design and use of materials in the nanoscale size range for addressing medical and health-related issues continues to receive increasing interest. Research in nanomedicine spans a multitude of areas, including drug delivery, vaccine development, antibacterial, diagnosis and imaging tools, wearable devices, implants, high-throughput screening platforms, etc. using biological, nonbiological, biomimetic, or hybrid materials. Many of these developments are starting to be translated into viable clinical products...
March 14, 2017: ACS Nano
https://www.readbyqxmd.com/read/28287451/sensor-based-assistive-devices-for-visually-impaired-people-current-status-challenges-and-future-directions
#6
Wafa Elmannai, Khaled Elleithy
The World Health Organization (WHO) reported that there are 285 million visuallyimpaired people worldwide. Among these individuals, there are 39 million who are totally blind. There have been several systems designed to support visually-impaired people and to improve the quality of their lives. Unfortunately, most of these systems are limited in their capabilities. In this paper, we present a comparative survey of the wearable and portable assistive devices for visuallyimpaired people in order to show the progress in assistive technology for this group of people...
March 10, 2017: Sensors
https://www.readbyqxmd.com/read/28287009/continuous-positive-airway-pressure-therapy-in-obstuctive-sleep-apnea-benefits-and-alternatives
#7
Michelle T Cao, Joshua M Sternbach, C Guilleminault
Obstructive sleep apnea (OSA) is a highly prevalent condition affecting persons of all age with an increasing public health burden. It is implicated in cardiovascular disease, metabolic syndrome, neurocognitive impairment, reductions in quality of life, and increased motor vehicle accidents. The goals of OSA treatment are to improve sleep and daytime symptoms, and minimize cardiovascular risks.Areas covered: Continuous positive airway pressure (CPAP) is considered the gold standard therapy that delivers pressurized air into the upper airway to relieve obstruction during sleep...
March 17, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28282846/the-effect-of-a-wearable-device-prompting-high-school-students-aged-17-18-years-to-break-up-periods-of-prolonged-sitting-in-class
#8
Hanna A Frank, Karen Jacobs, Hugh McLoone
BACKGROUND: Increasingly, evidence shows that prolonged sedentary behavior factors into the health equation on its own, unrelated to weight and periods of intense exercise. In schools, students are required to sit for long periods of time. OBJECTIVE: To investigate whether reminders (via a wearable device) to change posture, change students' behavior and impacts their subjective wellbeing. PARTICIPANTS: Ten students of ages 17 to 18 years at a public high school in Bellevue, Washington, USA...
March 4, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28278454/accurate-wearable-heart-rate-monitoring-during-physical-exercises-using-ppg
#9
Andriy Temko
OBJECTIVE: The challenging task of heart rate (HR) estimation from the photoplethysmographic (PPG) signal, during intensive physical exercises is tackled in this paper. METHODS: The study presents a detailed analysis of a novel algorithm (WFPV) that exploits a Wiener filter to attenuate the motion artifacts, a phase vocoder to refine the HR estimate and user-adaptive postprocessing to track the subject physiology. Additionally, an offline version of the HR estimation algorithm that uses Viterbi decoding is designed for scenarios that do not require online HR monitoring (WFPV+VD)...
March 1, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28270382/evaluating-the-consistency-of-current-mainstream-wearable-devices-in-health-monitoring-a-comparison-under-free-living-conditions
#10
Dong Wen, Xingting Zhang, Xingyu Liu, Jianbo Lei
BACKGROUND: Wearable devices are gaining increasing market attention; however, the monitoring accuracy and consistency of the devices remains unknown. OBJECTIVE: The purpose of this study was to assess the consistency of the monitoring measurements of the latest wearable devices in the state of normal activities to provide advice to the industry and support to consumers in making purchasing choices. METHODS: Ten pieces of representative wearable devices (2 smart watches, 4 smart bracelets of Chinese brands or foreign brands, and 4 mobile phone apps) were selected, and 5 subjects were employed to simultaneously use all the devices and the apps...
March 7, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28269619/a-wearable-computing-platform-for-developing-cloud-based-machine-learning-models-for-health-monitoring-applications
#11
Shyamal Patel, Ryan S McGinnis, Ikaro Silva, Steve DiCristofaro, Nikhil Mahadevan, Elise Jortberg, Jaime Franco, Albert Martin, Joseph Lust, Milan Raj, Bryan McGrane, Paolo DePetrillo, A J Aranyosi, Melissa Ceruolo, Jesus Pindado, Roozbeh Ghaffari
Wearable sensors have the potential to enable clinical-grade ambulatory health monitoring outside the clinic. Technological advances have enabled development of devices that can measure vital signs with great precision and significant progress has been made towards extracting clinically meaningful information from these devices in research studies. However, translating measurement accuracies achieved in the controlled settings such as the lab and clinic to unconstrained environments such as the home remains a challenge...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269384/computation-offloading-for-real-time-health-monitoring-devices
#12
Haik Kalantarian, Costas Sideris, Tuan Le, Anahita Hosseini, Majid Sarrafzadeh
Among the major challenges in the development of real-time wearable health monitoring systems is to optimize battery life. One of the major techniques with which this objective can be achieved is computation offloading, in which portions of computation can be partitioned between the device and other resources such as a server or cloud. In this paper, we describe a novel dynamic computation offloading scheme for real-time wearable health monitoring devices that adjusts the partitioning of data between the wearable device and mobile application as a function of desired classification accuracy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269340/reconfigurable-analog-classifier-for-knee-joint-rehabilitation
#13
Sahil Shah, Hakan Toreyin, Omer T Inan, Jennifer Hasler
We present a System-On-Chip Field Programmable Analog Array (FPAA) for analyzing and processing the signals off an accelerometer for a wearable joint health assessment device. FPAAs have been shown to compute with an efficiency of 1000 times, as well as area efficiencies of 100 times, more than digital solutions. This work presents a low power signal processing system which allows us to extract features from the output of the accelerometer. These features are used by the classifier, implemented using a vector matrix multiplication and a two output 1-winner-take-all, to detect flexion and extension cycles in the subject...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268697/analysis-of-comfort-and-ergonomics-for-clinical-work-environments
#14
Ali Shafti, Beatriz Urbistondo Lazpita, Oussama Elhage, Helge A Wurdemann, Kaspar Althoefer
Work related musculoskeletal disorders (WMSD) are a serious risk to workers' health in any work environment, and especially in clinical work places. These disorders are typically the result of prolonged exposure to non-ergonomic postures and the resulting discomfort in the workplace. Thus a continuous assessment of comfort and ergonomics is necessary. There are different techniques available to make such assessments, such as self-reports on perceived discomfort and observational scoring models based on the posture's relevant joint angles...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267146/new-dimensions-and-new-tools-to-realize-the-potential-of-rdoc-digital-phenotyping-via-smartphones-and-connected-devices
#15
J Torous, J-P Onnela, M Keshavan
Mobile and connected devices like smartphones and wearable sensors can facilitate the collection of novel naturalistic and longitudinal data relevant to psychiatry at both the personal and population level. The National Institute of Mental Health's Research Domain Criteria framework offers a useful roadmap to organize, guide and lead new digital phenotyping data towards research discoveries and clinical advances.
March 7, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28264796/feasibility-and-acceptability-of-a-wearable-technology-physical-activity-intervention-with-telephone-counseling-for-mid-aged-and-older-adults-a-randomized-controlled-pilot-trial
#16
Elizabeth J Lyons, Maria C Swartz, Zakkoyya H Lewis, Eloisa Martinez, Kristofer Jennings
BACKGROUND: As adults age, their physical activity decreases and sedentary behavior increases, leading to increased risk of negative health outcomes. Wearable electronic activity monitors have shown promise for delivering effective behavior change techniques. However, little is known about the feasibility and acceptability of non-Fitbit wearables (Fitbit, Inc, San Francisco, California) combined with telephone counseling among adults aged more than 55 years. OBJECTIVE: The purpose of our study was to determine the feasibility, acceptability, and effect on physical activity of an intervention combining a wearable physical activity monitor, tablet device, and telephone counseling among adults aged 55-79 years...
March 6, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28261526/wearable-devices-in-medical-internet-of-things-scientific-research-and-commercially-available-devices
#17
REVIEW
Mostafa Haghi, Kerstin Thurow, Regina Stoll
OBJECTIVES: Wearable devices are currently at the heart of just about every discussion related to the Internet of Things. The requirement for self-health monitoring and preventive medicine is increasing due to the projected dramatic increase in the number of elderly people until 2020. Developed technologies are truly able to reduce the overall costs for prevention and monitoring. This is possible by constantly monitoring health indicators in various areas, and in particular, wearable devices are considered to carry this task out...
January 2017: Healthcare Informatics Research
https://www.readbyqxmd.com/read/28254069/consumers-perceived-attitudes-to-wearable-devices-in-health-monitoring-in-china-a-survey-study
#18
Dong Wen, Xingting Zhang, Jianbo Lei
BACKGROUND AND OBJECTIVE: Capital market and consumer market interest in wearable devices has surged in recent years, however, their actual acceptance in the field of health monitoring is somewhat not as expected. This study aims to understand the perceptions of wearable devices of general consumers, analyze the review of the devices by users, and find existing problems associated with current wearable devices. METHODS: Sojump.com, an on-line questionnaire tool, was used to generate the questionnaire, which focused on four aspects...
March 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28252138/stretchable-electronic-skin-based-on-silver-nanowire-composite-fiber-electrodes-for-sensing-pressure-proximity-and-multidirectional-strain
#19
Yin Cheng, Ranran Wang, Haitao Zhai, Jing Sun
Electronic skin (E-skin) has been attracting great research interest and effort due to its potential applications in wearable health monitoring, smart prosthetics, robot skins and so on. To expand its applications, two key challenges lie in the realization of device stretchability, and independent sensing of pressure and multidirectional lateral strain. Here we made a combination of rational device structure and artfully engineered sensing materials to fulfill the mentioned demands. The as-prepared E-skin took a simple orthogonal configuration to enable both capacitive mode for pressure sensing and resistive mode for multidirectional strain sensing, independently...
March 2, 2017: Nanoscale
https://www.readbyqxmd.com/read/28249025/effectiveness-of-mhealth-interventions-for-patients-with-diabetes-an-overview-of-systematic-reviews
#20
Spyros Kitsiou, Guy Paré, Mirou Jaana, Ben Gerber
BACKGROUND: Diabetes is a common chronic disease that places an unprecedented strain on health care systems worldwide. Mobile health technologies such as smartphones, mobile applications, and wearable devices, known as mHealth, offer significant and innovative opportunities for improving patient to provider communication and self-management of diabetes. OBJECTIVE: The purpose of this overview is to critically appraise and consolidate evidence from multiple systematic reviews on the effectiveness of mHealth interventions for patients with diabetes to inform policy makers, practitioners, and researchers...
2017: PloS One
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