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Tracking Fatigue

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https://www.readbyqxmd.com/read/29924668/effect-of-fitbit-and-ipad-wearable-technology-in-health-related-quality-of-life-in-adolescent-and-young-adult-cancer-patients
#1
Ilana R Yurkiewicz, Pamela Simon, Michaela Liedtke, Gary Dahl, Tamara Dunn
PURPOSE: Adolescent and young adult (AYA) patients with cancer face significant challenges with regard to fatigue, reduced physical activity, and social isolation, which may negatively impact quality of life. This study investigated whether the use of digital wearable technology (Fitbits, along with synced iPads) can affect health-related quality of life (HRQOL) in AYA aged patients with cancer. MATERIALS AND METHODS: This was a prospective cohort study that offered Fitbits and iPads to all AYA patients aged 15 to 29 at an academic medical center at the time of cancer diagnosis...
June 20, 2018: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/29911491/performance-determinants-of-fixed-gear-cycling-during-criteriums
#2
Nicolas Babault, Maxime Poisson, Guiseppe Cimadoro, Carole Cometti, Christos Païzis
Nowadays, fixed gear competitions on outdoor circuits such as criteriums are regularly organized worldwide. To date, no study has investigated this alternative form of cycling. The purpose of the present study was to examine fixed gear performance indexes and to characterize physiological determinants of fixed gear cyclists. This study was carried out in two parts. Part 1 (n = 36) examined correlations between performance indexes obtained during a real fixed gear criterium (time trial, fastest laps, averaged lap time during races, fatigue indexes) and during a sprint track time trial...
June 17, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29910335/the-test-retest-reliability-of-new-generation-power-indices-of-wingate-all-out-test
#3
Ozgur Ozkaya, Gorkem Aybars Balci, Hakan As, Emre Vardarli
Although reliability correlations of traditional power indices of the Wingate test have been well documented, no study has analyzed new generation power indices based on milliseconds obtained from a Peak Bike. The purpose of this study was to investigate the retest reliability of new generation power indices. Thirty-two well-trained male athletes who were specialized in basketball, football, tennis, or track and field volunteered to take part in the study (age: 24.3 ± 2.2 years; body mass: 77 ± 8.3 kg; height: 180...
April 7, 2018: Sports
https://www.readbyqxmd.com/read/29910307/resting-hormone-alterations-and-injuries-block-vs-dup-weight-training-among-d-1-track-and-field-athletes
#4
Keith B Painter, G Gregory Haff, N Travis Triplett, Charles Stuart, Guy Hornsby, Mike W Ramsey, Caleb D Bazyler, Michael H Stone
Daily undulating periodization (DUP), using daily alterations in repetitions, has been advocated as a superior method of resistance training, while traditional forms of programming for periodization (Block) have been questioned. Nineteen Division I track and field athletes were assigned to either a 10-week Block or DUP training group. Year and event were controlled. Over the course of the study, there were four testing sessions, which were used to evaluate a variety of strength characteristics, including maximum isometric strength, rate of force development, and one repetition maximum (1RM)...
January 16, 2018: Sports
https://www.readbyqxmd.com/read/29901806/structural-chemical-and-mechanical-properties-of-pressure-garments-as-a-function-of-simulated-use-and-repeated-laundering
#5
Megan M Malara, Jayne Y Kim, J Alexander Clark, Britani N Blackstone, Mark A Ruegsegger, J Kevin Bailey, Dorothy M Supp, Heather M Powell
Pressure garments are widely employed for management of postburn scarring. Although pressure magnitude has been linked to efficacy, maintenance of uniform pressure delivery is challenging. An understanding of garment fabric properties is needed to optimize pressure delivery for the duration of garment use. To address this issue, compression vests were manufactured using two commonly used fabrics, Powernet or Dri-Tek Tricot, to achieve 10% reduction in circumference for a child-sized mannequin. Applied pressure was tracked on five anatomical sites over 23 hours, before laundering or after one and five laundering cycles...
June 13, 2018: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/29897308/optimization-of-maximal-rate-of-heart-rate-increase-assessment-in-runners
#6
Clint R Bellenger, Rebecca L Thomson, Kade Davison, Eileen Y Robertson, Maximillian J Nelson, Laura Karavirta, Jonathan D Buckley
PURPOSE: Correlations between fatigue-induced changes in exercise performance and maximal rate of heart rate (HR) increase (rHRI) may be affected by exercise intensity during assessment. This study evaluated the sensitivity of rHRI for tracking performance when assessed at varying exercise intensities. METHOD: Performance (time to complete a 5-km treadmill time-trial [5TTT]) and rHRI were assessed in 15 male runners following 1 week of light training, 2 weeks of heavy training (HT), and a 10-day taper (T)...
June 13, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29789082/the-differential-effect-of-sustained-operations-on-psychomotor-skills-of-helicopter-pilots
#7
Terry W McMahon, David G Newman
INTRODUCTION: Flying a helicopter is a complex psychomotor skill requiring constant control inputs from pilots. A deterioration in psychomotor performance of a helicopter pilot may be detrimental to operational safety. The aim of this study was to test the hypothesis that psychomotor performance deteriorates over time during sustained operations and that the effect is more pronounced in the feet than the hands. The subjects were helicopter pilots conducting sustained multicrew offshore flight operations in a demanding environment...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29776480/concussion-symptom-prevalence-severity-and-trajectory-implications-for-nursing-practice
#8
Gail Macartney, Valérie Simoncic, Kristian Goulet, Mary Aglipay
PURPOSE: The purpose of this study was to describe the symptom severity and trajectory in concussed children who were followed during a one year period at a concussion clinic. DESIGN AND METHODS: A retrospective chart review was completed to describe the symptom trajectory up to three months during the recovery. RESULTS: One hundred and thirty-six patients were included (74 female, 62 male) with a median age of 15.4years (range 13-17). The most common mechanisms of injury included: falls (19...
May 2018: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/29768093/alterations-in-kinematics-and-muscle-activation-patterns-with-the-addition-of-a-kipping-action-during-a-pull-up-activity
#9
Christopher Dinunzio, Nathaniel Porter, John Van Scoy, Derrick Cordice, Ryan S McCulloch
Recently, addition of a gymnastics glide kip to a standard pull-up (SPU) has resulted in the kipping pull-up (KPU). Changes in muscle activation and kinematics were evaluated with eleven athletes performing sets of 5 SPU and 5 KPU. Surface electromyography of upper body and lower body muscles was recorded along with movement kinematics obtained via markers and motion tracking software. Most kinematic variables were significantly higher in the KPU including (KPU minus SPU deg): Max hip angle (48.8° ± 6.8°, p < 0...
May 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29764260/measuring-fatigue-and-stress-in-laparoscopic-surgery-validity-and-reliability-of-the-star-track-test
#10
Kim Platte, Chantal C J Alleblas, Joanna Inthout, Theodoor E Nieboer
BACKGROUND: The star-track test has been assessed as valid and reliable to measure manual dexterity in the context of open surgery. We aimed to determine the construct validity and test-retest reliability of the star-track test for manual dexterity in a laparoscopic setting. MATERIAL AND METHODS: The star-track test was performed in a laparoscopic box trainer. To determine construct validity an open-label, randomized four-period crossover trial was conducted. Alongside a baseline (non-interventional) measurement, interventions involved: physical fatigue, mental stress and a combination of these...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29753161/engagement-with-inspire-an-online-program-for-hematopoietic-cell-transplantation-survivors
#11
Karen L Syrjala, Marie-Laure Crouch, Wendy M Leisenring, Mary E D Flowers, Samantha B Artherholt, Allison Stover Fiscalini, Eleni Romano, Joan M Romano, Paul J Martin, Jean C Yi
PURPOSE: In a secondary analysis of a randomized controlled trial (RCT), we examined engagement with INSPIRE, a personalized online program for hematopoietic cell transplantation (HCT) survivors that focused on cancer-related distress, depression, fatigue, and health care needs. METHODS: We approached all adult, 3-18 year HCT survivors treated for hematologic malignancy, without relapse or second cancer in the previous 2 years, for participation in an RCT with either immediate or delayed access to INSPIRE...
May 9, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29750113/real-time-eye-tracking-for-the-assessment-of-driver-fatigue
#12
Junli Xu, Jianliang Min, Jianfeng Hu
Eye-tracking is an important approach to collect evidence regarding some participants' driving fatigue. In this contribution, the authors present a non-intrusive system for evaluating driver fatigue by tracking eye movement behaviours. A real-time eye-tracker was used to monitor participants' eye state for collecting eye-movement data. These data are useful to get insights into assessing participants' fatigue state during monotonous driving. Ten healthy subjects performed continuous simulated driving for 1-2 h with eye state monitoring on a driving simulator in this study, and these measured features of the fixation time and the pupil area were recorded via using eye movement tracking device...
April 2018: Healthcare Technology Letters
https://www.readbyqxmd.com/read/29741391/relationship-between-deltoid-and-rotator-cuff-muscles-during-dynamic-shoulder-abduction-a-biomechanical-study-of-rotator-cuff-tear-progression
#13
Felix Dyrna, Neil S Kumar, Elifho Obopilwe, Bastian Scheiderer, Brendan Comer, Michael Nowak, Anthony A Romeo, Augustus D Mazzocca, Knut Beitzel
BACKGROUND: Previous biomechanical studies regarding deltoid function during glenohumeral abduction have primarily used static testing protocols. HYPOTHESES: (1) Deltoid forces required for scapular plane abduction increase as simulated rotator cuff tears become larger, and (2) maximal abduction decreases despite increased deltoid forces. STUDY DESIGN: Controlled laboratory study. METHODS: Twelve fresh-frozen cadaveric shoulders with a mean age of 67 years (range, 64-74 years) were used...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29699823/accelerometer-based-prediction-of-running-injury-in-national-collegiate-athletic-association-track-athletes
#14
Dovin Kiernan, David A Hawkins, Martin A C Manoukian, Madeline McKallip, Laura Oelsner, Charles F Caskey, Crystal L Coolbaugh
Running-related injuries (RRI) may result from accumulated microtrauma caused by combinations of high load magnitudes (vertical ground reaction forces; vGRFs) and numbers (strides). Yet relationships between vGRF and RRI remain unclear - potentially because previous research has largely been constrained to collecting vGRFs in laboratory settings and ignoring relationships between RRI and stride number. In this preliminary proof-of-concept study, we addressed these constraints: Over a 60-day period, each time collegiate athletes (n = 9) ran they wore a hip-mounted activity monitor that collected accelerations throughout the entire run...
May 17, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29696075/circulating-extracellular-vesicles-as-potential-biomarkers-in-chronic-fatigue-syndrome-myalgic-encephalomyelitis-an-exploratory-pilot-study
#15
Jesús Castro-Marrero, Esther Serrano-Pertierra, Myriam Oliveira-Rodríguez, Maria Cleofé Zaragozá, Alba Martínez-Martínez, María Del Carmen Blanco-López, José Alegre
Chronic Fatigue Syndrome (CFS), also known as Myalgic Encephalomyelitis (ME) is an acquired, complex and multisystem condition of unknown etiology, no established diagnostic lab tests and no universally FDA-approved drugs for treatment. CFS/ME is characterised by unexplicable disabling fatigue and is often also associated with numerous core symptoms. A growing body of evidence suggests that extracellular vesicles (EVs) play a role in cell-to-cell communication, and are involved in both physiological and pathological processes...
2018: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/29644932/the-starr-county-border-health-initiative-focus-groups-on-diabetes-prevention-in-mexican-americans
#16
Sharon A Brown, William B Perkison, Alexandra A García, Heather E Cuevas, Mary M Velasquez, Mary A Winter, Craig L Hanis
Purpose The purpose of the study was to conduct focus groups with Mexican Americans in an impoverished rural community on the Texas-Mexico border to identify current barriers to adopting healthier lifestyles and to obtain recommendations for diabetes prevention. Methods Three separate 2-hour focus groups were led by an experienced bilingual Mexican American moderator. Interviews included questions about cultural factors and barriers that influence lifestyle behaviors, aspects of previous diabetes self-management interventions that were helpful for motivating behavioral change, and recommendations for diabetes prevention...
June 2018: Diabetes Educator
https://www.readbyqxmd.com/read/29624621/hormonal-and-neuromuscular-responses-during-a-singles-match-in-male-professional-tennis-players
#17
Álvaro López-Samanes, Jesús G Pallarés, Alberto Pérez-López, Ricardo Mora-Rodríguez, Juan F Ortega
We sought to measure the response of cortisol concentrations around a professional tennis match and its association with hydration status and neuromuscular performance. Nine professional male tennis players were tested in a rest day, and 2-week after, during the first match of a professional tournament played in a clay-court. Salivary concentrations of cortisol (SalCC) were measured in a resting day (9:00 am and 8:00 pm), at the match day (9:00 am and 8:00 pm) and immediately before and after the match. Hydration status was assessed before the match (urine specific gravity; USG) while fluid turnover was tracked during the match...
2018: PloS One
https://www.readbyqxmd.com/read/29624363/improvement-of-corrosion-and-tribocorrosion-behavior-of-pure-titanium-by-subzero-anodic-spark-oxidation
#18
M Fazel, H R Salimijazi, M Shamanian
The present investigation reports corrosion and tribocorrosion behavior of anodic spark oxidation (ASO) coatings formed at 20 and -10 °C. Despite the numerous open pores on the layers formed at 20 °C , the plasma discharged channels were blocked on the surfaces of the subzero ASO coatings. According to polarization curves, the samples treated at -10 °C showed a significant increase in the corrosion resistance ( jcorr of 0.75 nA cm-2 ). Electrochemical impedance spectroscopy experiments illustrated lower capacitance and higher resistance of both inner and porous layers formed at low temperature...
May 2, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29610949/task-relevant-cognitive-and-motor-functions-are-prioritized-during-prolonged-speed-accuracy-motor-task-performance
#19
Rima Solianik, Andrius Satas, Dalia Mickeviciene, Agne Cekanauskaite, Dovile Valanciene, Daiva Majauskiene, Albertas Skurvydas
This study aimed to explore the effect of prolonged speed-accuracy motor task on the indicators of psychological, cognitive, psychomotor and motor function. Ten young men aged 21.1 ± 1.0 years performed a fast- and accurate-reaching movement task and a control task. Both tasks were performed for 2 h. Despite decreased motivation, and increased perception of effort as well as subjective feeling of fatigue, speed-accuracy motor task performance improved during the whole period of task execution. After the motor task, the increased working memory function and prefrontal cortex oxygenation at rest and during conflict detection, and the decreased efficiency of incorrect response inhibition and visuomotor tracking were observed...
June 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29609728/the-risk-of-fatigue-and-sleepiness-in-the-ridesharing-industry-an-american-academy-of-sleep-medicine-position-statement
#20
Michael Berneking, Ilene M Rosen, Douglas B Kirsch, Ronald D Chervin, Kelly A Carden, Kannan Ramar, R Nisha Aurora, David A Kristo, Raman K Malhotra, Jennifer L Martin, Eric J Olson, Carol L Rosen, James A Rowley, Indira Gurubhagavatula
The ridesharing-or ride-hailing-industry has grown exponentially in recent years, transforming quickly into a fee-for-service, unregulated taxi industry. While riders are experiencing the benefits of convenience and affordability, two key regulatory and safety issues deserve consideration. First, individuals who work as drivers in the ridesharing industry are often employed in a primary job, and they work as drivers during their "off" time. Such a schedule may lead to driving after extended periods of wakefulness or during nights, both of which are factors that increase the risk of drowsy driving accidents...
April 15, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
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