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Tracking Fatigue

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https://www.readbyqxmd.com/read/29426814/exploring-the-specific-needs-of-persons-with-multiple-sclerosis-for-mhealth-solutions-for-physical-activity-mixed-methods-study
#1
Guido Giunti, Jan Kool, Octavio Rivera Romero, Enrique Dorronzoro Zubiete
BACKGROUND: Multiple sclerosis (MS) is one of the world's most common neurologic disorders, with symptoms such as fatigue, cognitive problems, and issues with mobility. Evidence suggests that physical activity (PA) helps people with MS reduce fatigue and improve quality of life. The use of mobile technologies for health has grown in recent years with little involvement from relevant stakeholders. User-centered design (UCD) is a design philosophy with the goal of creating solutions specific to the needs and tasks of the intended users...
February 9, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29396509/stationary-gaze-entropy-predicts-lane-departure-events-in-sleep-deprived-drivers
#2
Brook A Shiferaw, Luke A Downey, Justine Westlake, Bronwyn Stevens, Shantha M W Rajaratnam, David J Berlowitz, Phillip Swann, Mark E Howard
Performance decrement associated with sleep deprivation is a leading contributor to traffic accidents and fatalities. While current research has focused on eye blink parameters as physiological indicators of driver drowsiness, little is understood of how gaze behaviour alters as a result of sleep deprivation. In particular, the effect of sleep deprivation on gaze entropy has not been previously examined. In this randomised, repeated measures study, 9 (4 male, 5 female) healthy participants completed two driving sessions in a fully instrumented vehicle (1 after a night of sleep deprivation and 1 after normal sleep) on a closed track, during which eye movement activity and lane departure events were recorded...
February 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29377797/an-embedded-eight-channel-noise-canceling-wireless-wearable-semg-data-acquisition-system-with-adaptive-muscle-contraction-detection
#3
Mert Ergeneci, Kaan Gokcesu, Erhan Ertan, Panagiotis Kosmas
Wearable technology has gained increasing popularity in the applications of healthcare, sports science, and biomedical engineering in recent years. Because of its convenient nature, the wearable technology is particularly useful in the acquisition of the physiological signals. Specifically, the (surface electromyography) sEMG systems, which measure the muscle activation potentials, greatly benefit from this technology in both clinical and industrial applications. However, the current wearable sEMG systems have several drawbacks including inefficient noise cancellation, insufficient measurement quality, and difficult integration to customized applications...
February 2018: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/29376883/how-mental-fatigue-affects-the-neural-sources-of-p300-component
#4
Malihe Sabeti, Reza Boostani, Karim Rastgar
Accurate differentiation of mental fatigue levels by analyzing electroencephalogram (EEG) features is still a challenge. This deficiency is rooted in the inability of conventional EEG features to reveal significant changes amongst fatigue levels. From a different perspective, it is evident for evaluating the amount of alertness that characterizing the P300 component is widely used by performing a recognition task. The goal of this study is to classify the pre-task and post-task fatigue levels by tracking the spatial activation of their P300 sources compared to differentiating the P300 waveform features...
2018: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/29373427/non-invasive-assessment-of-internal-and-external-player-load-implications-for-optimizing-athletic-performance
#5
Aaron D Heishman, Michael A Curtis, Ethan Saliba, Robert J Hornett, Steven K Malin, Arthur L Weltman
Few data exist that assess athlete tracking and monitoring for the development of strategies to optimize performance and reduce fatigue in elite athletes. The purpose of the present study was to assess the efficacy of external load and internal stress monitoring as assessment tools for examining a performance index of fatigue. A retrospective analysis was performed on data collected over the course of the pre-season in 10 elite male NCAA Division 1 basketball players. Internal stress was assessed using Omegawave Technology readiness scores and compared to the performance index of counter-movement jump (CMJ)...
January 24, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29366599/the-effects-of-fatigue-from-overnight-shifts-on-radiology-search-patterns-and-diagnostic-performance
#6
Tarek N Hanna, Matthew E Zygmont, Ryan Peterson, David Theriot, Haris Shekhani, Jamlik-Omari Johnson, Elizabeth A Krupinski
PURPOSE: The aim of this study was to assess the effect of overnight shifts (ONS) on radiologist fatigue, visual search pattern, and diagnostic performance. METHODS: This experimental study was approved by the institutional review board. Twelve radiologists (five faculty members and seven residents) each completed two sessions: one during a normal workday ("not fatigued") and another in the morning after an ONS ("fatigued"). Each radiologist completed the Swedish Occupational Fatigue Inventory...
January 20, 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29366492/optimization-of-large-mod-restorations-composite-resin-inlays-vs-short-fiber-reinforced-direct-restorations
#7
Luciana Mara Soares, Mehrdad Razaghy, Pascal Magne
OBJECTIVE: To compare mechanical performance and enamel-crack propensity of direct, semi-direct, and CAD/CAM approaches for large MOD composite-resin restorations. METHODS: 45 extracted maxillary molars underwent standardized slot-type preparation (5-mm depth and bucco-palatal width) including immediate dentin sealing (Optibond FL) for the inlays (30 teeth). Short-fiber reinforced composite-resin (EverX Posterior covered by Gradia Direct Posterior) was used for the direct approach, Gradia Direct Posterior for the semi-direct, and Cerasmart composite resin blocks for CAD/CAM inlays...
January 20, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29332059/analysis-of-skeletal-muscle-performance-using-piezoelectric-film-sensors
#8
Anat Ratnovsky, Emanuel Kusayev, Sara Naftali
A flexible piezoelectric thin film sensor has been proposed recently in several studies for detection of muscle movements. The objective of this study was to investigate the ability of this sensor to assess skeletal muscle performance and fatigue under isokinetic contractions. Simultaneous noninvasive measurements of muscles activity were done using surface electromyography (EMG) electrodes and two thin film piezoelectric sensors. Measurements were taken from the biceps during slow and fast elbow flexion with and without strong grip, during different weight lifting and from the gastrocnemius during treadmill marching at speeds of 4 and of 10 kph...
January 5, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29324506/a-pilot-mixed-methods-evaluation-of-ms-inform-a-self-directed-fatigue-management-resource-for-individuals-with-multiple-sclerosis
#9
Nadine Akbar, Karen Turpin, Julie Petrin, Penny Smyth, Marcia Finlayson
Fatigue management interventions for individuals with multiple sclerosis (MS) often feature structured programmes requiring repeated, in-person attendance that is not possible for all individuals. We sought to determine whether MS INFoRm, a self-directed fatigue management resource for individuals with MS, was worth further, more rigorous evaluation. Our indicators of worthiness were actual use of the resource by participants over 3 months, reductions in fatigue impact and increases in self-efficacy, and participant reports of changes in fatigue management knowledge and behaviours...
January 10, 2018: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/29304046/eye-tracking-to-explore-attendance-in-health-state-descriptions
#10
Anna Selivanova, Paul F M Krabbe
INTRODUCTION: A crucial assumption in health valuation methods is that respondents pay equal attention to all information components presented in the response task. So far, there is no solid evidence that respondents are fulfilling this condition. The aim of our study is to explore the attendance to various information cues presented in the discrete choice (DC) response tasks. METHODS: Eye tracking was used to study the eye movements and fixations on specific information areas...
2018: PloS One
https://www.readbyqxmd.com/read/29289377/treatment-of-paraphilic-disorders-in-sexual-offenders-or-men-with-a-risk-of-sexual-offending-with-luteinizing-hormone-releasing-hormone-agonists-an-updated-systematic-review
#11
REVIEW
Daniel Turner, Peer Briken
BACKGROUND: Different pharmacologic agents are used in the treatment of paraphilic disorders in sexual offenders or men with a risk of sexual offending, with luteinizing hormone-releasing hormone (LHRH) agonists being the agents introduced more recently to treatment regimens. AIM: To summarize the relevant literature concerning LHRH agonist treatment of paraphilic disorders in sexual offenders and update the previously published systematic review by Briken et al (J Clin Psychiatry 2003;64:890-897)...
January 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29284747/motor-dexterity-and-strength-depend-upon-integrity-of-the-attention-control-system
#12
Paul Rinne, Mursyida Hassan, Cristina Fernandes, Erika Han, Emma Hennessy, Adam Waldman, Pankaj Sharma, David Soto, Robert Leech, Paresh A Malhotra, Paul Bentley
Attention control (or executive control) is a higher cognitive function involved in response selection and inhibition, through close interactions with the motor system. Here, we tested whether influences of attention control are also seen on lower level motor functions of dexterity and strength-by examining relationships between attention control and motor performance in healthy-aged and hemiparetic-stroke subjects (n = 93 and 167, respectively). Subjects undertook simple-tracking, precision-hold, and maximum force-generation tasks, with each hand...
December 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29282850/endoscopic-navigation-system-with-extended-field-of-view-using-augmented-reality-technology
#13
Jae Hwan Bong, Hyun-Jong Song, Yoojin Oh, Namji Park, Hyungmin Kim, Shinsuk Park
BACKGROUND: While endoscopic skull base surgery (ESBS) has emerged as an alternative surgical option, the limited field of view of the endoscope may lead to the surgeon's fatigue and discomfort. METHODS: The developed navigation system includes extended augmented reality (AR), which can provide an extended viewport to a conventional endoscopic view by overlaying 3D anatomical models generated from preoperative medical images onto endoscope images. To enhance the accuracy of the developed system, we adopted state-of-the-art endoscopic calibration and tracking techniques based on an optical tracking system...
December 28, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29247626/low-frequency-pulsed-current-versus-kilohertz-frequency-alternating-current-a-scoping-literature-review
#14
Marco Aurélio Vaz, Viviane Bortoluzzi Frasson
OBJECTIVE: To compare the effectiveness of low-frequency pulsed current versus kilohertz-frequency alternating current in terms of evoked-force, discomfort level, current intensity, and muscle fatigability, to discuss the physiological mechanisms of each Neuromuscular Electrical Stimulation type, and to determine if kilohertz-frequency alternating current is better than low-frequency pulsed current for clinical treatment. DATA SOURCES: Manuscripts were obtained from PUBMED, SCOPUS, CENTRAL, CINAHL and SPORTSDISCUS databases using the terms "Russian current" OR "Kilohertz current" OR "Alternating current" OR "Pulsed current" OR "Aussie current" AND torque OR discomfort OR fatigue OR "current intensity", and through citation tracking up to July 2017...
December 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29239984/profiling-inflammatory-markers-during-the-competitive-season-and-post-season-in-collegiate-wrestlers
#15
Joe Roth, Taylor Szczygiel, Mary Moore, Paul O'Connor, Jeffrey Edwards, Naveen Sharma, Ryan Pettit-Mee, Micah Zuhl
The purpose of this study was to determine if biological markers of muscle damage and inflammation coincide with subjective measures of muscle fatigue and sleep quality among Division I collegiate wrestlers. The goal was to provide practitioners with noninvasive techniques to evaluate a wrestlers inflammatory state. METHODS: Subjects from the Central Michigan University Division I collegiate wrestling team (n=6) were analyzed on six separate occasions throughout the course of the competitive season and post season...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29201937/variance-in-mood-symptoms-across-menstrual-cycles-implications-for-premenstrual-dysphoric-disorder
#16
Tierney K Lorenz, Amanda N Gesselman, Virginia J Vitzthum
Premenstrual dysphoric disorder (PMDD) remains a controversial diagnosis: Some authors have argued that it pathologizes normal mood changes, and others have questioned the need for daily mood reports across multiple cycles. In the present study, we examined changes in mood among psychologically healthy young participants with regular menstrual cycles. We collected daily reports of negative mood (depression, nervousness, irritability, and fatigue) across two to six consecutive cycles from 27 participants aged 18-35 years, and we used variance decomposition analyses to examine how much of the variance in these daily reports was due to day, cycle, and individual...
2017: Women's Reproductive Health
https://www.readbyqxmd.com/read/29200188/the-measurable-benefits-of-a-workplace-wellness-program-in-canada-results-after-one-year
#17
Ilka Lowensteyn, Violette Berberian, Patrick Belisle, Deborah DaCosta, Lawrence Joseph, Steven A Grover
OBJECTIVE: Evaluate the impact of an employee wellness program in Canada. METHODS: A comprehensive program including web-based lifestyle challenges was evaluated with annual health screenings. RESULTS: Among 730 eligible employees, 688 (94%) registered for the program, 571 (78%) completed a health screening at baseline, and 314 (43%) at 1 year. Most (66%) employees tracked their activity for more than 6 weeks. At one year follow-up, there were significant clinical improvements in systolic blood pressure -3...
December 1, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29164651/jaw-closing-movement-and-sex-differences-in-temporomandibular-joint-energy-densities
#18
L M Gallo, N Fankhauser, Y M Gonzalez, H Liu, Y Liu, J C Nickel, L R Iwasaki
Energy densities (ED, mJ/mm3 ) quantify mechanical work imposed on articular cartilages during function. This cross-sectional study examined differences in temporomandibular joint (TMJ) ED during asymmetric versus symmetric jaw closing in healthy females versus males. ED component variables were tested for differences between and within sexes for two types of jaw closing. Seventeen female and 17 male subjects gave informed consent to participate. Diagnostic criteria for temporomandibular disorders and images (magnetic resonance (MR), computed tomography) were used to confirm healthy TMJ status...
November 21, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29159669/thyroid-hormones-and-commonly-cited-symptoms-of-overtraining-in-collegiate-female-endurance-runners
#19
Justin X Nicoll, Disa L Hatfield, Kathleen J Melanson, Christopher S Nasin
PURPOSE: Overtraining syndrome (OTS) is reported in endurance sports. Thyroid hormones (TH) regulate metabolism, mood, and energy production, and may play a role in OTS of endurance athletes. The purpose of this study was to investigate relationships in TH and symptoms of OTS in track and field endurance runners (ER). METHODS: Sixteen female track and field middle distance (MD; n = 9; age: 20.2 ± 1.5 years; ht: 167.86 ± 5.04 cm; body-mass: 57.97 ± 5...
November 20, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29148135/cadence-tracking-and-disturbance-rejection-in-functional-electrical-stimulation-cycling-for-paraplegic-subjects-a-case-study
#20
Lucas O da Fonseca, Antônio P L Bó, Juliana A Guimarães, Miguel E Gutierrez, Emerson Fachin-Martins
Functional electrical stimulation cycling has been proposed as an assistive technology with numerous health and fitness benefits for people with spinal cord injury, such as improvement in cardiovascular function, increase in muscular mass, and reduction of bone mass loss. However, some limitations, for example, lack of optimal control strategies that would delay fatigue, may still prevent this technology from achieving its full potential. In this work, we performed experiments on a person with complete spinal cord injury using a stationary tadpole trike when both cadence tracking and disturbance rejection were evaluated...
November 2017: Artificial Organs
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