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How passenger perceptions of London underground & mainline train doors can lead to trap & drag incidents.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-21 DOI: 10.1080/00140139.2025.2468498
Jasmine Bayliss, Patrick Waterson, Mark Young
{"title":"How passenger perceptions of London underground & mainline train doors can lead to trap & drag incidents.","authors":"Jasmine Bayliss, Patrick Waterson, Mark Young","doi":"10.1080/00140139.2025.2468498","DOIUrl":"https://doi.org/10.1080/00140139.2025.2468498","url":null,"abstract":"<p><p>A trap and drag incident happens on passenger services when someone gets part of their body or their belongings trapped in closing train doors, and is dragged along the platform when the train departs, which can result in fatal consequences. Many passengers are unaware of the risk of trap and drag incidents and so their actions can be a causal factor. This study was conducted to understand the risks at the platform train interface and whether passenger's mental models of door operations are a contributing factor. In-person and online surveys were carried out and investigation reports on trap and drag accidents were analysed. The study found that participants expect the train doors to work similarly to lift (elevator) doors, which reopen if obstructed. It showed that passenger's mental models of train doors are incomplete and inconsistent causing passengers to take risks which lead to trap and drag incidents.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-20"},"PeriodicalIF":2.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
'We just make do': the use, comfort and functionality of personal protective equipment in the UK mounted police.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-19 DOI: 10.1080/00140139.2025.2466014
Sean Hudson, Joanna Blackburn, Michael Fish, Karen Ousey
{"title":"'We just make do': the use, comfort and functionality of personal protective equipment in the UK mounted police.","authors":"Sean Hudson, Joanna Blackburn, Michael Fish, Karen Ousey","doi":"10.1080/00140139.2025.2466014","DOIUrl":"https://doi.org/10.1080/00140139.2025.2466014","url":null,"abstract":"<p><p>Police officers wear personal protective equipment (PPE) to reduce their risk of injury while on duty. Despite the unique policing activity of riding a horse, little is known about the PPE used by mounted officers. The aim of this research was to assess the use, comfort, and functionality of mounted police PPE. Twenty officers from three UK Mounted Sections were recruited. Semi-structured interviews and range of movement assessments were conducted. Interview data was analysed using reflexive thematic analysis. Three main themes were generated: <i>Functional requirements, Issues,</i> and <i>Areas for improvement.</i> Much of the PPE worn by mounted officers is not designed for the risks associated with horse riding. There was a sense that officers 'make do' with their current PPE provision, but increased protection from falls and mounted specific public order protection were identified as particular areas for improvement.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-12"},"PeriodicalIF":2.0,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143450906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of varied assistance levels provided by a dual-joint active back-support exoskeleton on spinal musculoskeletal loading and kinematics during lifting.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-18 DOI: 10.1080/00140139.2025.2466030
Feng Hu, Niels P Brouwer, Ali Tabasi, Idsart Kingma, Wietse van Dijk, Mohamed Irfan Mohamed Refai, Herman van der Kooij, Jaap H van Dieën
{"title":"Influence of varied assistance levels provided by a dual-joint active back-support exoskeleton on spinal musculoskeletal loading and kinematics during lifting.","authors":"Feng Hu, Niels P Brouwer, Ali Tabasi, Idsart Kingma, Wietse van Dijk, Mohamed Irfan Mohamed Refai, Herman van der Kooij, Jaap H van Dieën","doi":"10.1080/00140139.2025.2466030","DOIUrl":"10.1080/00140139.2025.2466030","url":null,"abstract":"<p><p>An active dual-joint back-support exoskeleton with motors at both lumbar and hip level was designed to reduce spinal musculoskeletal loading and preserve lumbar flexibility during lifting. A subject-specific controller estimated the moment actively generated by back muscles to counteract gravitational forces on the upper body, minimising a counter-productive abdominal muscle contraction. Eight subjects lifted a 15 kg load using free technique with four assistance levels, i.e. 0%, 30%, 50%, and 70% of the active moment. Time-averaged L5S1 compressive force and back muscle active moment estimated by an EMG-driven biomechanical model, decreased by 5.5-9.3% and 14.9-28.6%, respectively, with non-zero assistance. Higher assistance did not yield larger L5S1 compression reduction but did gain further reduction in the time-averaged back muscles active moment. No significant changes in abdominal muscle activity and minor changes in lumbar flexion were observed suggesting the controller and dual-joint design achieved their objectives.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-13"},"PeriodicalIF":2.0,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143450904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A fatigue failure framework for the assessment of highly variable low back loading using inertial motion capture - a case study.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-16 DOI: 10.1080/00140139.2025.2460695
Iván Nail-Ulloa, Michael Zabala, Nathan Pool, Robert Sesek, Matthew Thiese, Richard Sesek, Mark C Schall, Sean Gallagher
{"title":"A fatigue failure framework for the assessment of highly variable low back loading using inertial motion capture - a case study.","authors":"Iván Nail-Ulloa, Michael Zabala, Nathan Pool, Robert Sesek, Matthew Thiese, Richard Sesek, Mark C Schall, Sean Gallagher","doi":"10.1080/00140139.2025.2460695","DOIUrl":"https://doi.org/10.1080/00140139.2025.2460695","url":null,"abstract":"<p><p>Workers in manufacturing settings experience highly variable musculoskeletal loading, which current risk assessment methods often fail to fully capture. This study evaluated a Fatigue Failure-Based framework for estimating continuous lumbar loading from variable occupational loads. Worker movements and postures were recorded using Inertial Motion Capture technologies, and L5/S1 joint loading history was estimated through inverse dynamics. Stress cycles were analysed using Rainflow analysis, adjusted with Goodman's method, and summed using Palmgren-Miner rule to estimate cumulative damage. The framework was tested in live industrial settings with eight automotive workers across 108 trials. Logistic regression models demonstrated significant correlations between cumulative damage estimates and self-reported low-back pain (OR = 2.16, 95% CI: 1.30, 3.57). This framework provides a novel method for analysing highly variable loading to estimate cumulative exposure in ergonomics, offering a starting point for future research and potential applications in assessing low back injury risks in similar occupational settings.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-17"},"PeriodicalIF":2.0,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143426450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of occupational tasks and personal protective equipment on static and functional balance among career firefighters.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-14 DOI: 10.1080/00140139.2025.2466010
Petra Kis, Mark Abel, Barry Joyner, Barry Munkasy, Bridget Melton
{"title":"Effects of occupational tasks and personal protective equipment on static and functional balance among career firefighters.","authors":"Petra Kis, Mark Abel, Barry Joyner, Barry Munkasy, Bridget Melton","doi":"10.1080/00140139.2025.2466010","DOIUrl":"https://doi.org/10.1080/00140139.2025.2466010","url":null,"abstract":"<p><p>Musculoskeletal injuries are commonly incurred by firefighters. Most injuries are attributable to overexertion, fall, slip, and trip mechanisms. These injuries may be caused by many factors, including the independent and collective effects of wearing personal protective equipment (PPE) and fatigue induced by performing occupational-tasks. The purpose of this study was to investigate the effect of PPE and fire-suppression tasks on static and functional balance among firefighters. 32 healthy male career structural firefighters (Age: 31.8 ± 9.5 yr) participated in this study. Statistical analyses revealed significant differences in static balance measures pre versus post-work in PPE p ≤ 0.009, and functional balance outcomes pre-work in station uniform versus pre-work in PPE p < 0.001. PPE negatively affected firefighters' functional balance, whereas occupational tasks negatively affected static balance outcomes. These findings highlight the importance of utilising countermeasures to combat occupational fatigue-induced decrements in neuromuscular function to reduce injury risk among structural firefighters.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-9"},"PeriodicalIF":2.0,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143416147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative analysis of touchscreen inceptors and traditional sidesticks on flight decks: flight performance, visual behaviours and situation awareness.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-12 DOI: 10.1080/00140139.2025.2459305
Yifan Wang, Wojciech Tomasz Korek, James Blundell, Wen-Chin Li
{"title":"Comparative analysis of touchscreen inceptors and traditional sidesticks on flight decks: flight performance, visual behaviours and situation awareness.","authors":"Yifan Wang, Wojciech Tomasz Korek, James Blundell, Wen-Chin Li","doi":"10.1080/00140139.2025.2459305","DOIUrl":"https://doi.org/10.1080/00140139.2025.2459305","url":null,"abstract":"<p><p>The concept of touchscreen primary control device is a novel approach of touchcreen implentation. The objective of this study is to investigate differences in flight performance and attention allocation between a touchscreen inceptor and a traditional sidestick. Twenty-one participants flew four simulated instrument landing system (ILS) approaches - with the touchscreen inceptor or traditional sidestick - during flight scenarios where an aircraft attitude disturbance was either present or absent. Results demonstrated that participant performance scores were worse with the touchscreen inceptor compared to the sidestick during attitude disturbance scenarios. Interestingly, participants exhibited reduced attention to external visual cues with the touchscreen inceptor compared to the sidestick. In addition, use of the touchscreen inceptor resulted in lower performance and lower self-reported situation awareness. Overall, the touchscreen inceptor demonstrated poorer performance compared to the traditional sidestick, highlighting limitations in its current design that warrant cautious consideration and further investigation.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-25"},"PeriodicalIF":2.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Human factors in onshore and offshore wind: a scoping review.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-12 DOI: 10.1080/00140139.2025.2463440
R Roberts, R Flin
{"title":"Human factors in onshore and offshore wind: a scoping review.","authors":"R Roberts, R Flin","doi":"10.1080/00140139.2025.2463440","DOIUrl":"https://doi.org/10.1080/00140139.2025.2463440","url":null,"abstract":"<p><p>A safe, healthy and competent workforce in the wind power industry is essential for meeting climate goals and energy needs. Wind technicians conduct critical tasks on wind turbines often in remote, hazardous environments in onshore and offshore locations. However, industry incident data indicate safety concerns in relation to operations and maintenance work. Despite behavioural issues significantly contributing to these wind incidents, the limited human factors research in the wind sector typically focuses on design and physiology. A scoping review was carried out to examine the psychological and organisational factors that impact on wind technician safety, health, and performance. In total, 13 research articles examining human factors in wind were identified, as well as 8 items from the grey literature. A preliminary framework was developed encompassing individual, crew/team, organisational factors, and task and environmental factors. This framework can be used to direct future research and assist practitioners to design effective interventions.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-18"},"PeriodicalIF":2.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of false alarms and miscues of decision support systems on human-machine system performance: a study with airport security screeners.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-11 DOI: 10.1080/00140139.2025.2453546
David Huegli, Alain Chavaillaz, Juergen Sauer, Adrian Schwaninger
{"title":"Effects of false alarms and miscues of decision support systems on human-machine system performance: a study with airport security screeners.","authors":"David Huegli, Alain Chavaillaz, Juergen Sauer, Adrian Schwaninger","doi":"10.1080/00140139.2025.2453546","DOIUrl":"https://doi.org/10.1080/00140139.2025.2453546","url":null,"abstract":"<p><p>Decision support systems such as explosives detection systems for cabin baggage (EDSCB) at airport security checkpoints help screeners detect bombs by highlighting areas in X-ray images that might contain explosives. However, these systems are not perfect and can produce false alarms (i.e. alarm when no target is present) and miscues (i.e. a non-target is cued but the actual target is located elsewhere in the image). This study investigated the consequences of such automation errors in 112 professional airport security screeners who were supported by a simulated EDSCB with realistic X-ray images of cabin baggage. They had to detect bombs, guns, and knives under one of three experimental conditions: miscue prone, false alarm prone, or multiple failures (false alarms and miscues). Results showed that screeners missed more knives when the EDSCB provided miscues. We conclude that on-screen alarm resolution of EDSCB alarms in primary screening has the disadvantage that miscues can result in missing prohibited articles at airport security checkpoints. To avoid this problem, automated decision or clear instructions to screeners should be considered.</p><p><strong>Practitioner statement: </strong>Airport security screeners inspect X-ray images of cabin baggage through visual search and decision making with the help of explosives detection system for cabin baggage screening (EDSCB). The present experiment addresses whether EDSCB miscues affect operator performance and whether miscues are a problem when conducting EDSCB on-screen alarm resolution.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-16"},"PeriodicalIF":2.0,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143392403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The use of muscle activity measures in combat shooting assessments.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-11 DOI: 10.1080/00140139.2025.2452221
Jemma L Coleman, Jodie A McClelland, Kane J Middleton
{"title":"The use of muscle activity measures in combat shooting assessments.","authors":"Jemma L Coleman, Jodie A McClelland, Kane J Middleton","doi":"10.1080/00140139.2025.2452221","DOIUrl":"https://doi.org/10.1080/00140139.2025.2452221","url":null,"abstract":"<p><p>Current testing of small-arms weapons focuses on measuring accuracy in optimal, supported positions whereas using a more dynamic test may be more informative. Previous work has shown that accuracy, shot interval, and weapon stability degrades over prolonged shooting and only the latter two measures differ between weapon configurations. The aim of the current study was to evaluate muscle activity to understand if signs of fatigue could add information about the optimal ergonomic weapon. The 200 ms of electromyography from six upper limb muscles immediately before each of 60 shots for four weapon conditions were collected from 18 participants. Both frequency and amplitude showed signs of muscle fatigue over the 60 shots for most of the muscles, and amplitude was different in some muscles between conditions. This study shows that although participants can maintain accuracy with more difficult weapon configurations, this comes at the potential cost of muscle fatigue.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-10"},"PeriodicalIF":2.0,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143392408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
2D versus 3D aviation weather visualisations.
IF 2 3区 工程技术
Ergonomics Pub Date : 2025-02-07 DOI: 10.1080/00140139.2024.2445317
Adrian Sarbach, Tiffany C K Kwok, Peter Kiefer, Martin Raubal
{"title":"2D versus 3D aviation weather visualisations.","authors":"Adrian Sarbach, Tiffany C K Kwok, Peter Kiefer, Martin Raubal","doi":"10.1080/00140139.2024.2445317","DOIUrl":"https://doi.org/10.1080/00140139.2024.2445317","url":null,"abstract":"<p><p>Even though aviation takes place in three spatial dimensions, pilots today still mostly acquire weather information through static 2D weather maps, just as 50 years ago. In this article, we study whether interactive 3D weather visualisations increase weather-related situation awareness (SA) of pilots compared to conventional 2D weather maps. The results of a user study with commercial pilots (n = 24) are presented, in which the influence of perspective and vertical profile on SA, usability and recall were investigated. Our findings reveal that a 2D planar map view results in the highest SA compared to 3D weather visualisations, and, contrary to pilot preferences, an additional vertical profile does not further improve SA. The addition of a vertical profile supports weather feature recall, and reduces head-down times.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-14"},"PeriodicalIF":2.0,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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