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Applied Ergonomics

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https://www.readbyqxmd.com/read/28870373/new-technologies-in-human-factors-and-ergonomics-research-and-practice
#1
EDITORIAL
Jia-Hua Lin, Alex Kirlik, Xu Xu
No abstract text is available yet for this article.
September 1, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28865841/assessment-selection-in-human-automation-interaction-studies-the%C3%A2-failure-gam-2-e-and-review-of-assessment-methods-for-highly-automated-driving
#2
Camilla Grane
Highly automated driving will change driver's behavioural patterns. Traditional methods used for assessing manual driving will only be applicable for the parts of human-automation interaction where the driver intervenes such as in hand-over and take-over situations. Therefore, driver behaviour assessment will need to adapt to the new driving scenarios. This paper aims at simplifying the process of selecting appropriate assessment methods. Thirty-five papers were reviewed to examine potential and relevant methods...
August 30, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/29122205/enhancing-the-effectiveness-of-human-robot-teaming-with-a-closed-loop-system
#3
Grace Teo, Lauren Reinerman-Jones, Gerald Matthews, James Szalma, Florian Jentsch, Peter Hancock
With technological developments in robotics and their increasing deployment, human-robot teams are set to be a mainstay in the future. To develop robots that possess teaming capabilities, such as being able to communicate implicitly, the present study implemented a closed-loop system. This system enabled the robot to provide adaptive aid without the need for explicit commands from the human teammate, through the use of multiple physiological workload measures. Such measures of workload vary in sensitivity and there is large inter-individual variability in physiological responses to imposed taskload...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122204/insights-on-the-apparel-needs-and-limitations-for-athletes-with-disabilities-the-design-of-wheelchair-rugby-sports-wear
#4
Sara Bragança, Ignacio Castellucci, Simeon Gill, Pascal Matthias, Miguel Carvalho, Pedro Arezes
Wheelchair rugby is a sport that has been gaining popularity with athletes with disabilities. However, as it is relatively new and not played by the masses, market specific sports-wear is not available for this sport, which impacts directly on performance and clothing satisfaction of the athletes. Therefore, the main objective of this research was to identify the problems that wheelchair rugby players face with the sports-wear they use for playing the game. The data was collected using a focus group and a questionnaire with 61 wheelchair rugby players in the United Kingdom...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122203/accident-ahead-difficulties-of-drivers-with-and-without-reading-impairment-recognising-words-and-pictograms-in-variable-message-signs
#5
J Roca, P Tejero, B Insa
A timely and accurate acquisition of the information provided by variable message signs (VMS) can be crucial while driving. In the current study, we assess the difficulties of adults with dyslexia acquiring the information shown in VMS and provide evidence to discuss the controversial use of pictograms as potential countermeasures. Twenty-two adults with dyslexia and 22 matched controls completed a simulated driving session. The legibility of 12 VMS was assessed, including six text messages (e.g. "ACCIDENT") and six single pictograms (e...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122202/human-responses-to-wave-slamming-vibration-on-a-polar-supply-and-research-vessel
#6
H Omer, A Bekker
A polar supply and research vessel is pre-disposed to wave slamming which has caused complaints among crew and researchers regarding interference with sleep, equipment use and research activities. The present work undertook to survey passenger claims of sleep interference, disturbed motor tasks and equipment damage as a result of wave slamming during normal operations of this vessel. The hypothesis was investigated that whole-body vibration metrics from ISO 2631-1 are potentially suitable for the prediction of human slamming complaints...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122201/factors-determining-workers-pace-while-conducting-continuous-sequential-lifting-carrying-and-lowering-tasks
#7
Yaar Harari, Raziel Riemer, Avital Bechar
To plan a new manual material handling work process, it is necessary to predict the times required to complete each task. Current time prediction models lack validity when the handled object's mass exceeds 2 kg. In this study, we investigated the effect of workplace design parameters on continuous sequential lifting, carrying, and lowering of boxes weighing from 2 kg to 14 kg. Both laboratory and field experiments were conducted. Results revealed that the box's weight and the lifting and lowering heights influenced the tasks' times...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122200/applying-social-network-analysis-to-the-examination-of-interruptions-in-healthcare
#8
Tara McCurdie, Penelope Sanderson, Leanne M Aitken
Examinations of interruptions in healthcare often focus on a single clinical discipline, and solutions are targeted accordingly. This approach does not take into account the inter-disciplinary dependencies and other sociotechnical aspects that make up the healthcare work system, and suggested solutions may not meet the needs of all stakeholders. In this article a sociotechnical systems perspective is used to uncover the interdependencies between 16 unique work roles that result in interruptions in an intensive care unit (ICU)...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122199/tracking-and-discrete-dual-task-performance-for-different-visual-spatial-stimulus-response-mappings-with-focal-and-ambient-vision
#9
Steve N H Tsang, Alan H S Chan
The effect of spatial compatibility for various display-control configurations on human performance was studied with a dual-task paradigm using a tracking task and a discrete response task. Degradation of performance on both tasks within the visual modality was observed and was considered to be most likely due to resource competition resulting from simultaneous task operation. It was found that the more complicated the mapping for the discrete spatial compatibility response task, the more severe the interference with the tracking task...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122198/effect-of-police-mobile-computer-terminal-interface-design-on-officer-driving-distraction
#10
Maryam Zahabi, David Kaber
Several crash reports have identified in-vehicle distraction to be a primary cause of emergency vehicle crashes especially in law enforcement. Furthermore, studies have found that mobile computer terminals (MCTs) are the most frequently used in-vehicle technology for police officers. Twenty police officers participated in a driving simulator-based assessment of visual behavior, performance, workload and situation awareness with current and enhanced MCT interface designs. In general, results revealed MCT use while driving to decrease officer visual attention to the roadway, but usability improvements can reduce the level of visual distraction and secondary-task completion time...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122197/effect-of-examination-stress-on-intraocular-pressure-in-university-students
#11
Raimundo Jiménez, Jesús Vera
Intraocular pressure (IOP) has been investigated as a possible objective index of mental stressors. Here, we assessed the effect of examination stress on IOP in 33 university students. A repeated-measures design was used with two experimental conditions (examination and control) and two points of measurements (pre- and post-sessions). Also, the cardiovascular response, subjective perceived stress, as well as calculated ocular perfusion pressure and blood-pulse pressure were determined. A Bayesian statistical analysis showed higher IOP values in the examination in comparison to the control condition (BF01 < 0...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122196/the-effect-of-short-duration-low-back-vibration-on-pain-developed-during-prolonged-standing
#12
Renée C Lurie, Stephanie R Cimino, Diane E Gregory, Stephen H M Brown
The purpose of this study was to determine if vibration, a potential method of pain management, applied to the low back could alleviate pain developed during prolonged standing. Eighteen healthy individuals participated in a 2.5-h standing task during which vibration (3-min duration) was applied at the 2-h and 2.25-h marks. During the full 2.5 h, participants recorded their perceived pain scores every 15 min using a 10 cm visual analogue scale (VAS). Following each vibration bout, those who developed low back pain (LPB) reported statistically lower VAS scores compared to prior to the vibration; however, when the vibration ceased, LBP returned to pre-vibration levels...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122195/how-we-can-measure-the-non-driving-task-engagement-in-automated-driving-comparing-flow-experience-and-workload
#13
Sang Min Ko, Yong Gu Ji
In automated driving, a driver can completely concentrate on non-driving-related tasks (NDRTs). This study investigated the flow experience of a driver who concentrated on NDRTs and tasks that induce mental workload under conditional automation. Participants performed NDRTs under different demand levels: a balanced demand-skill level (fit condition) to induce flow, low-demand level to induce boredom, and high-demand level to induce anxiety. In addition, they performed the additional N-Back task, which artificially induces mental workload...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122194/multi-directional-one-handed-strength-assessments-using-anybody-modeling-systems
#14
Divyaksh Subhash Chander, Maria Pia Cavatorta
Digital human modeling tools support proactive ergonomics in optimizing work tasks and workplace layouts. Empirical-statistical model based tools are often used to estimate the force exertion capability of the operators. This work is intended to serve as an initial probing into the usability of a musculoskeletal model based software, AnyBody Modeling Systems (AMS), in evaluating the force exertion capability at different points in the workspace and for various exertion directions. As a first step, it focuses on the modeling approach and the accuracy of one-handed isometric strength estimates of AMS...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122193/use-of-a-footrest-to-reduce-low-back-discomfort-development-due-to-prolonged-standing
#15
Jeremy Yang Lee, Richelle Baker, Pieter Coenen, Leon Straker
Prolonged standing is common in many occupations and has been associated with low back discomfort (LBD). No recent studies have investigated a footrest as an intervention to reduce LBD associated with prolonged standing. This study investigated the effect of a footrest on LBD and sought to determine if LBD changes were accompanied by changes in muscle fatigue and low back end-range posture and movement. Twenty participants stood for two 2-h trials, one with and one without a footrest. LBD, lumbar erector spinae electromyography, upper lumbar (UL) and lower lumbar (LL) angles were measured...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122192/physiological-consequences-of-using-an-upper-limb-exoskeleton-during-manual-handling-tasks
#16
Jean Theurel, Kevin Desbrosses, Terence Roux, Adriana Savescu
This study aimed to assess the physiological consequences of using an upper limb exoskeleton during manual handling task, as muscle activity, upper limb kinematics, postural balance and cardiac cost. Participants performed three tasks (load lifting (LIFT), carrying (WALK) and stacking-unstacking (STACK)) with (EXOS) and without (FREE) an exoskeleton. During LIFT and STACK, the activity of the deltoid anterior muscle was significantly lower for EXOS than for FREE. During LIFT, the activity of the triceps brachii (TB) and tibialis anterior muscles significantly increased for EXO...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122191/identifying-interactive-effects-of-task-demands-in-lifting-on-estimates-of-in-vivo-low-back-joint-loads
#17
Chad E Gooyers, Tyson A C Beach, David M Frost, Samuel J Howarth, Jack P Callaghan
This investigation examined interactions between the magnitude of external load, movement speed and (a)symmetry of load placement on estimates of in vivo joint loading in the lumbar spine during simulated occupational lifting. Thirty-two participants with manual materials handling experience were included in the study. Three-dimensional motion data, ground reaction forces, and activation of six bilateral trunk muscle groups were captured while participants performed lifts with two loads at two movement speeds and using two load locations...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122190/the-effect-of-metacognitive-monitoring-feedback-on-performance-in-a-computer-based-training-simulation
#18
Jung Hyup Kim
This laboratory experiment was designed to study the effect of metacognitive monitoring feedback on performance in a computer-based training simulation. According to prior research on metacognition, the accurate checking of learning is a critical part of improving the quality of human performance. However, only rarely have researchers studied the learning effects of the accurate checking of retrospective confidence judgments (RCJs) during a computer-based military training simulation. In this study, we provided participants feedback screens after they had completed a warning task and identification task in a radar monitoring simulation...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122189/identifying-knowledge-gaps-between-practice-and-research-for-implementation-components-of-sustainable-interventions-to-improve-the-working-environment-a-rapid-review
#19
REVIEW
Charlotte Diana Nørregaard Rasmussen, Helene Højberg, Elizabeth Bengtsen, Marie Birk Jørgensen
In a recent study, we involved all relevant stakeholders to identify practice-based implementation components for successful implementation and sustainability in work environment interventions. To understand possible knowledge gaps between evidence and practice, the aim of this paper is to investigate if effectiveness studies of the 11 practice-based implementation components can be identified in existing scientific literature. PubMed/MEDLINE, PsycINFO, and Web of Science were searched for relevant studies...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29122188/identifying-a-practice-based-implementation-framework-for-sustainable-interventions-for-improving-the-evolving-working-environment-hitting-the-moving-target-framework
#20
Helene Højberg, Charlotte Diana Nørregaard Rasmussen, Richard H Osborne, Marie Birk Jørgensen
Our aim was to identify implementation components for sustainable working environment interventions in the nursing assistant sector to generate a framework to optimize the implementation of workplace improvement initiatives. The implementation framework was informed by: 1) an industry advisory group, 2) interviews with key stakeholder, 3) concept mapping workshops, and 4) an e-mail survey. Thirty five stakeholders were interviewed and contributed in the concept mapping workshops. Eleven implementation components were derived across four domains: 1) A supportive organizational platform, 2) An engaged workplace with mutual goals, 3) The intervention is sustainably fitted to the workplace, and 4) the intervention is an attractive choice...
February 2018: Applied Ergonomics
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