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https://www.readbyqxmd.com/read/28731981/technology-in-strength-and-conditioning-assessing-bodyweight-squat-technique-with-wearable-sensors
#1
Martin A OʼReilly, Darragh F Whelan, Tomas E Ward, Eamonn Delahunt, Brian M Caulfield
O'Reilly, MA, Whelan, DF, Ward, TE, Delahunt, E, and Caulfield, BM. Technology in strength and conditioning: assessing bodyweight squat technique with wearable sensors. J Strength Cond Res 31(8): 2303-2312, 2017-Strength and conditioning (S&C) coaches offer expert guidance to help those they work with achieve their personal fitness goals. However, it is not always practical to operate under the direct supervision of an S&C coach and consequently individuals are often left training without expert oversight. Recent developments in inertial measurement units (IMUs) and mobile computing platforms have allowed for the possibility of unobtrusive motion tracking systems and the provision of real-time individualized feedback regarding exercise performance...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28731088/laser-engraved-carbon-nanotube-paper-for-instilling-high-sensitivity-high-stretchability-and-high-linearity-in-strain-sensors
#2
Yangyang Xin, Jian Zhou, Xuezhu Xu, Gilles Lubineau
There is an increasing demand for strain sensors with high sensitivity and high stretchability for new applications such as robotics or wearable electronics. However, for the available technologies, the sensitivity of the sensors varies widely. These sensors are also highly nonlinear, making reliable measurement challenging. Here we introduce a new family of sensors composed of a laser-engraved carbon nanotube paper embedded in an elastomer. A roll-to-roll pressing of these sensors activates a pre-defined fragmentation process, which results in a well-controlled, fragmented microstructure...
July 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28727414/graphene-based-three-dimensional-capacitive-touch-sensor-for-wearable-electronics
#3
Minpyo Kang, Jejung Kim, Bongkyun Jang, Youngcheol Chae, Jae-Hyun Kim, Jong-Hyun Ahn
The development of input device technology in a conformal and stretchable format is important for the advancement of various wearable electronics. Herein, we report a capacitive touch sensor with good sensing capabilities in both contact and non-contact modes, enabled by the use of graphene and a thin device geometry. This device can be integrated with highly deformable areas of the human body, such as the forearms and palms. This touch sensor detects multiple touch signals in acute recordings and recognizes the distance and shape of the approaching objects before direct contact is made...
July 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28714884/design-and-implementation-of-a-smart-home-system-using-multisensor-data-fusion-technology
#4
Yu-Liang Hsu, Po-Huan Chou, Hsing-Cheng Chang, Shyan-Lung Lin, Shih-Chin Yang, Heng-Yi Su, Chih-Chien Chang, Yuan-Sheng Cheng, Yu-Chen Kuo
This paper aims to develop a multisensor data fusion technology-based smart home system by integrating wearable intelligent technology, artificial intelligence, and sensor fusion technology. We have developed the following three systems to create an intelligent smart home environment: (1) a wearable motion sensing device to be placed on residents' wrists and its corresponding 3D gesture recognition algorithm to implement a convenient automated household appliance control system; (2) a wearable motion sensing device mounted on a resident's feet and its indoor positioning algorithm to realize an effective indoor pedestrian navigation system for smart energy management; (3) a multisensor circuit module and an intelligent fire detection and alarm algorithm to realize a home safety and fire detection system...
July 15, 2017: Sensors
https://www.readbyqxmd.com/read/28714239/self-powered-real-time-arterial-pulse-monitoring-using-ultrathin-epidermal-piezoelectric-sensors
#5
Dae Yong Park, Daniel J Joe, Dong Hyun Kim, Hyewon Park, Jae Hyun Han, Chang Kyu Jeong, Hyelim Park, Jung Gyu Park, Boyoung Joung, Keon Jae Lee
Continuous monitoring of an arterial pulse using a pressure sensor attached on the epidermis is an important technology for detecting the early onset of cardiovascular disease and assessing personal health status. Conventional pulse sensors have the capability of detecting human biosignals, but have significant drawbacks of power consumption issues that limit sustainable operation of wearable medical devices. Here, a self-powered piezoelectric pulse sensor is demonstrated to enable in vivo measurement of radial/carotid pulse signals in near-surface arteries...
July 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28714112/wearables-in-epilepsy-and-parkinson-s-disease-a-focus-group-study
#6
A Ozanne, D Johansson, U Hällgren Graneheim, K Malmgren, F Bergquist, M Alt Murphy
OBJECTIVES: Wearable sensors that measure movement and physiological variables are attractive for clinical evaluation of neurological diseases such as epilepsy and Parkinson's disease (PD). The aim of this study was to explore perceptions regarding the use of wearable technology in disease monitoring and management as reported by individuals with epilepsy and Parkinson's disease as well as health professionals working with these patient groups. MATERIALS AND METHODS: Six patient groups (n=25) and two groups with health professionals (n=15) participated in this qualitative, descriptive study with focus group interviews...
July 16, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28700542/consent-and-engagement-security-and-authentic-living-using-wearable-and-mobile-health-technology
#7
Karola V Kreitmair, Mildred K Cho, David C Magnus
No abstract text is available yet for this article.
July 12, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28696089/prevention-of-sudden-cardiac-death-from-wearable-to-subcutaneous-cardioverter-defibrillator
#8
Stefano Viani, Ezio Soldati, Andrea DI Cori, Luca Segreti, Luca Paperini, Raffaele DE Lucia, Giulio Zucchelli, Maria G Bongiorni
The implantable cardioverter defibrillator (ICD) is today an indisputable evidence-based treatment for cardiac sudden death both in primary and secondary prevention. However many clinical conditions that would represent an indication to ICD implantation, according to guidelines, may be potentially reversible or may be accompanied by temporary contraindications to the implant. Moreover transvenous cardioverter defibrillator implantation still carries a not negligible risk of complications both acutely and at follow-up...
July 10, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28694528/balancing-hole-and-electron-conduction-in-ambipolar-split-gate-thin-film-transistors
#9
Hocheon Yoo, Matteo Ghittorelli, Dong-Kyu Lee, Edsger C P Smits, Gerwin H Gelinck, Hyungju Ahn, Han-Koo Lee, Fabrizio Torricelli, Jae-Joon Kim
Complementary organic electronics is a key enabling technology for the development of new applications including smart ubiquitous sensors, wearable electronics, and healthcare devices. High-performance, high-functionality and reliable complementary circuits require n- and p-type thin-film transistors with balanced characteristics. Recent advancements in ambipolar organic transistors in terms of semiconductor and device engineering demonstrate the great potential of this route but, unfortunately, the actual development of ambipolar organic complementary electronics is currently hampered by the uneven electron (n-type) and hole (p-type) conduction in ambipolar organic transistors...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28689861/the-relationship-between-physical-activity-and-post-operative-length-of-hospital-stay-a-systematic-review
#10
REVIEW
Aliza Abeles, Richard M Kwasnicki, Chris Pettengell, Jamie Murphy, Ara Darzi
BACKGROUND: Recovery from surgery has traditionally been measured using specific outcome measures, such as length of hospital stay. However, advances in technology have enabled the measurement of continuous, objective physical activity data in the perioperative period. The aim of this systematic review was to determine the relationship between length of hospital stay and physical activity data for patients undergoing surgery. METHODS: A systematic search of EMBASE, Medline and the Cochrane Library, from inception until January 2017, was performed to identify all study designs that evaluated physical activity after surgery...
July 6, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28687533/mobile-health-technology-using-a-wearable-sensorband-for-female-college-students-with-problem-drinking-an-acceptability-and-feasibility-study
#11
Noelle Regina Leonard, Michelle Silverman, Dawa Phuti Sherpa, Madeline A Naegle, Hyorim Kim, Donna L Coffman, Marcy Ferdschneider
BACKGROUND: An increasing number of mobile app interventions have been developed for problem drinking among college students; however, few studies have examined the integration of a mobile app with continuous physiological monitoring and alerting of affective states related to drinking behaviors. OBJECTIVE: The aim of this paper was to evaluate the acceptability and feasibility of Mind the Moment (MtM), a theoretically based intervention for female college students with problem drinking that combines brief, in-person counseling with ecological momentary intervention (EMI) on a mobile app integrated with a wearable sensorband...
July 7, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28681955/stretchable-motion-memory-devices-based-on-mechanical-hybrid-materials
#12
Yaqing Liu, Zhiyuan Liu, Bowen Zhu, Jiancan Yu, Ke He, Wan Ru Leow, Ming Wang, Bevita K Chandran, Dianpeng Qi, Hong Wang, Geng Chen, Cai Xu, Xiaodong Chen
Animals possess various functional systems such as sensory, nervous, and motor systems, which show effective cooperation in order to realize complicated and intelligent behaviors. This inspires rational designs for the integration of individual electronic devices to exhibit a series of functions, such as sensing, memory, and feedback. Inspired by the fact that humans can monitor and memorize various body motions, a motion memory device is developed to mimic this biological process. In this work, mechanical hybrid substrates are introduced, in which rigid memory devices and stretchable strain sensors are integrated into a single module, which enables them to work cooperatively in the wearable state...
July 6, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28679889/totally-connected-healthcare-with-tv-white-spaces
#13
Konstantinos Katzis, Richard W Jones, Georgios Despotou
Recent technological advances in electronics, wireless communications and low cost medical sensors generated a plethora of Wearable Medical Devices (WMDs), which are capable of generating considerably large amounts of new, unstructured real-time data. This contribution outlines how this data can be propagated to a healthcare system through the internet, using long distance Radio Access Networks (RANs) and proposes a novel communication system architecture employing White Space Devices (WSD) to provide seamless connectivity to its users...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28679694/understanding-physical-activity-in-cancer-patients-and-survivors-new-methodology-new-challenges-and-new-opportunities
#14
REVIEW
Jennifer A Schrack, Gillian Gresham, Amal A Wanigatunga
Since the early 1990s, accumulating evidence has suggested that regular, sustained participation in physical activity may help prevent the onset and development of certain types of cancer. Given the worldwide incidence and prevalence of cancer, there is increasing interest in physical activity as a nonpharmacological intervention and prevention method. Moreover, the effectiveness of new and improved cancer therapies has also increased interest in the potential health benefits of physical activity during and after treatment...
July 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28678282/a-flexible-ultra-sensitive-strain-sensor-based-on-carbon-nanocoil-network-fabricated-by-an-electrophoretic-method
#15
Chengwei Li, Lujun Pan, Chenghao Deng, Peng Wang, Yingying Huang, Habib Nasir
An ultra-sensitive strain sensor has been fabricated and studied, whose sensing medium is a network structure composed of plenty of carbon nanocoils (CNCs) and deposited between two gold electrodes via electrophoresis. The sensor owns a gauge factor close to 10 000 for tensile strain. A high stability and reproducibility of more than 5000 cycles and a fast response time of approximately 50 ms have been achieved. It has a high sensitivity for bending strain as well. Practically, it has shown an excellent performance in the detection of breathing, wrist pulse, and vibration...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28675233/integrated-sudomotor-axon-reflex-sweat-stimulation-for-continuous-sweat-analyte-analysis-with-individuals-at-rest
#16
Zachary Sonner, Eliza Wilder, Trudy Gaillard, Gerald Kasting, Jason Heikenfeld
Eccrine sweat has rapidly emerged as a non-invasive, ergonomic, and rich source of chemical analytes with numerous technological demonstrations now showing the ability for continuous electrochemical sensing. However, beyond active perspirers (athletes, workers, etc.), continuous sweat access in individuals at rest has hindered the advancement of both sweat sensing science and technology. Reported here is integration of sudomotor axon reflex sweat stimulation for continuous wearable sweat analyte analysis, including the ability for side-by-side integration of chemical stimulants & sensors without cross-contamination...
July 4, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28672803/static-and-dynamic-accuracy-of-an-innovative-miniaturized-wearable-platform-for-short-range-distance-measurements-for-human-movement-applications
#17
Stefano Bertuletti, Andrea Cereatti, Daniele Comotti, Michele Caldara, Ugo Della Croce
Magneto-inertial measurement units (MIMU) are a suitable solution to assess human motor performance both indoors and outdoors. However, relevant quantities such as step width and base of support, which play an important role in gait stability, cannot be directly measured using MIMU alone. To overcome this limitation, we developed a wearable platform specifically designed for human movement analysis applications, which integrates a MIMU and an Infrared Time-of-Flight proximity sensor (IR-ToF), allowing for the estimate of inter-object distance...
June 24, 2017: Sensors
https://www.readbyqxmd.com/read/28672147/children-s-exposure-to-alcohol-marketing-within-supermarkets-an-objective-analysis-using-gps-technology-and-wearable-cameras
#18
T Chambers, A L Pearson, J Stanley, M Smith, M Barr, C Ni Mhurchu, L Signal
BACKGROUND AND AIM: Exposure to alcohol marketing within alcohol retailers has been associated with higher rates of childhood drinking, brand recognition, and marketing recall. This study aimed to objectively measure children's everyday exposure to alcohol marketing within supermarkets. METHOD: Children aged 11-13 (n = 167) each wore a wearable camera and GPS device for four consecutive days. Micro-spatial analyses were used to examine exposures within supermarkets...
June 30, 2017: Health & Place
https://www.readbyqxmd.com/read/28671711/an-overview-of-the-development-of-flexible-sensors
#19
REVIEW
Su-Ting Han, Haiyan Peng, Qijun Sun, Shishir Venkatesh, Kam-Sing Chung, Siu Chuen Lau, Ye Zhou, V A L Roy
Flexible sensors that efficiently detect various stimuli relevant to specific environmental or biological species have been extensively studied due to their great potential for the Internet of Things and wearable electronics applications. The application of flexible and stretchable electronics to device-engineering technologies has enabled the fabrication of slender, lightweight, stretchable, and foldable sensors. Here, recent studies on flexible sensors for biological analytes, ions, light, and pH are outlined...
July 3, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28666793/gaze-based-technology-as-a-tool-for-surgical-skills-assessment-and-training-in-urology
#20
Carolina Diaz-Piedra, Jose M Sanchez-Carrion, Héctor Rieiro, Leandro L Di Stasi
OBJECTIVE: To assess the sensitivity of gaze-based metrics in detecting cognitive demands imposed by surgical procedures. We analyzed urologists' gaze entropy and velocity while performing two standardized high-fidelity simulated stone procedures with different levels of complexity. METHODS: Using a wearable eye-tracker device (mounted onto an eyeglass frame), we measured gaze entropy and velocity in fifteen urologists, members of the Andalusian healthcare system, while they performed an extraction of a stone in the bladder (low complexity) and an extraction of a stone in the lumbar ureter (high complexity)...
June 27, 2017: Urology
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