International Journal of Industrial Ergonomics最新文献_第2页

Sustainable work environments and gendered perceptions of risk factors, musculoskeletal discomfort, and quality of work life: A pilot validation of a theoretical model 可持续工作环境与风险因素、肌肉骨骼不适和工作生活质量的性别认知：一个理论模型的试点验证

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-23 DOI: 10.1016/j.ergon.2026.103897

Jonhatan Magno Norte da Silva , Alexandre Henrique Silva Lisboa , Rafaela de Sá Teixeira , Elamara Marama de Araujo Vieira , Wilza Karla dos Santos Leite , Lucas Gomes Miranda Bispo , Vitor William Batista Martins

Recent studies have proposed theoretical models integrating biomechanical, psychosocial, and organizational risk factors with Work-Related Musculoskeletal Disorders (WMSDs) outcomes and their impacts on Quality of Work Life (QWL), but without stratification by worker sex. This pilot study aimed to validate a theoretical model through a sex-stratified analysis in a specific regional context. It involved evaluating 116 men and 304 women across various economic sectors. Variables were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). All hypotheses that were statistically significant for males were also significant for females; however, the converse is not valid. This asymmetry may partly reflect the greater statistical power from the larger female subsample, but also suggests that women are exposed to a broader spectrum of ergonomic and psychosocial risk factors. Female workers experienced all risk factors affecting males, plus additional sex-specific factors, notably the impact of physical work demands on perceived stress and musculoskeletal discomfort on quality of life. These findings point to a disproportionate burden borne by female workers and underscore the need for targeted interventions to advance workplace health equity. The model also revealed that contextual risk factors for musculoskeletal discomfort occur more frequently among females, negatively impacting their QWL—an effect not observed in males. Findings should be interpreted with the sample's gender imbalance in mind, which may affect statistical power, particularly for male-specific estimates. The model highlights the unequal ergonomic burden across sexes and reveals how sustainable workplace policies must incorporate gender equity to promote occupational well-being and prevent chronic conditions.

最近的研究提出了将生物力学、社会心理和组织风险因素与工作相关的肌肉骨骼疾病（WMSDs）结果及其对工作生活质量（QWL）的影响结合起来的理论模型，但没有按工人性别分层。本初步研究旨在通过在特定区域背景下的性别分层分析来验证理论模型。该研究评估了不同经济部门的116名男性和304名女性。变量分析采用偏最小二乘结构方程模型（PLS-SEM）。所有对男性有统计学意义的假设对女性也有统计学意义；然而，反过来是无效的。这种不对称可能在一定程度上反映了更大的女性子样本的统计能力，但也表明女性暴露在更广泛的人体工程学和社会心理风险因素中。女性员工经历了影响男性的所有风险因素，以及额外的性别因素，特别是体力工作要求对感知压力的影响，以及肌肉骨骼不适对生活质量的影响。这些调查结果表明，女工承担了不成比例的负担，并强调需要采取有针对性的干预措施，以促进工作场所卫生平等。该模型还显示，肌肉骨骼不适的环境风险因素在女性中更常见，对她们的qwl产生负面影响，而在男性中没有观察到这种影响。在解释调查结果时，应考虑到样本的性别不平衡，这可能会影响统计效力，特别是针对男性的估计。该模型强调了男女之间不平等的人体工程学负担，并揭示了可持续的工作场所政策如何必须纳入性别平等，以促进职业福祉和预防慢性病。

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引用次数: 0

How to provide information sources and comments in conversational agent response content: The roles of specialists and internet users 如何在会话代理响应内容中提供信息源和评论：专家和互联网用户的角色

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-20 DOI: 10.1016/j.ergon.2026.103890

Yaping Zhang , Ronggang Zhou , Qianli Ma , Yue Liu , Jianhong Qu

Conversational agents (CAs) have been widely applied, and user experience with CAs is receiving increasing attention. However, few studies have focused on the contribution of the design of CA responses to the user experience. We conducted two studies examining participants' user experience with CAs' response content design on information sources (Study 1) and comment information (Study 2). The influence of specialists and internet users was investigated, and the factor of the application scenario was also examined. A mixed-method approach, including user experience (UX) scoring and paired comparison tasks, was adopted, and twenty-one people participated in the formal study. The results showed that information sources and comments from specialists can be added to the response content of CAs to improve the user experience. Participants liked the CAs' responses with comments from internet users rather than the responses with no comments. Application scenarios could affect the user experience with CAs’ response content designs. Participants preferred the responses with contextual information from specialists in professional application scenarios (e.g., news query and health query scenarios), whereas they liked the responses with contextual information from internet users in entertaining application scenarios (e.g., music query, travel query, and restaurant query scenarios). Compared with comment information design, information source design may provide a better user experience. This study proposes guidelines for the future generation of CAs and helps voice interaction designers to create CAs that meet the needs of users.

会话代理（ca）得到了广泛的应用，用户体验越来越受到人们的关注。然而，很少有研究关注CA响应设计对用户体验的贡献。我们进行了两项研究，通过ca对信息源（研究1）和评论信息（研究2）的响应内容设计来检验参与者的用户体验。调查了专家和互联网用户的影响，并考察了应用场景的影响因素。采用混合方法，包括用户体验（UX）评分和配对比较任务，共有21人参加了正式研究。结果表明，可以在ca的响应内容中加入信息源和专家评论，以改善用户体验。参与者喜欢核证机关有网友评论的回应，而不是没有评论的回应。应用程序场景可能会影响ca响应内容设计的用户体验。在专业应用场景（如新闻查询和健康查询场景）中，被试更喜欢带有情境信息的专家回答，而在娱乐应用场景（如音乐查询、旅游查询和餐饮查询场景）中，被试更喜欢带有情境信息的互联网用户回答。与评论信息设计相比，信息源设计可以提供更好的用户体验。本研究为未来一代的ca提出了指导方针，并帮助语音交互设计师创建满足用户需求的ca。

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引用次数: 0

Effects of seat height and inclination on muscle activity during sit-to-stand movements: Reference for assistive device design 座椅高度和倾斜对坐立运动中肌肉活动的影响：辅助装置设计参考

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-20 DOI: 10.1016/j.ergon.2025.103872

Rui-ming Zhao, Na Yu, Wen-lei Chen

In recent years, compact sit-to-stand (STS) assistive devices have gained increasing attention for their potential applications among older adults and individuals with mobility impairments. This study systematically evaluated how seat height (H: 35–65 cm) and tilt angle (R: 0–40°) affect muscle activity, joint torque, and subjective perception during STS movements, aiming to provide quantitative evidence for balancing assistive performance and device compactness.

A total of 32 participants performed STS tasks. Electromyographic (EMG) data were collected from the rectus femoris, vastus lateralis, tibialis anterior, and erector spinae, using four indicators: RMS, IEMG, MF, and SE. Joint torques at the hip, knee, and ankle were estimated, and subjective ratings (comfort, stability, task difficulty) were recorded. RMS and IEMG were found to be more sensitive to seating parameters than frequency-domain indicators. Increasing H and R generally reduced lower-limb muscle activity; however, this effect weakened or reversed when H exceeded 55–60 cm. In the static sitting phase, increasing R significantly elevated thigh muscle activation. Joint torque decreased with parameter increases, but knee and ankle loading rebounded when R > 30°. Subjective ratings aligned well with physiological data.

Overall, H = 55–60 cm and R = 10–20° were identified as optimal adjustable parameters for compact sit-to-stand assistive devices, demonstrating balanced performance in reducing muscle activity, improving comfort and stability, and maintaining structural compactness. Compared to H = 35 cm and R = 0°, the reduction effect sizes

(\overline{d})

of EMG metrics across the four muscles ranged from

d_{ES - IEMG}

= 0.31 to d_RF-IEMG = 2.16, with all p-values <0.05. The optimal score ranges for all subjective evaluation metrics were likewise located within this parameter range.

近年来，紧凑型坐立辅助装置（STS）因其在老年人和行动障碍患者中的潜在应用而受到越来越多的关注。本研究系统评估了座椅高度（H: 35-65 cm）和倾斜角度（R: 0-40°）对STS运动中肌肉活动、关节扭矩和主观感知的影响，旨在为平衡辅助性能和设备紧凑性提供定量证据。共有32名参与者执行STS任务。采用RMS、IEMG、MF和SE四项指标收集股直肌、股外侧肌、胫骨前肌和竖脊肌的肌电图（EMG）数据。评估髋关节、膝关节和踝关节的关节扭矩，并记录主观评分（舒适度、稳定性、任务难度）。RMS和IEMG对座位参数比频域指标更敏感。H和R的增加一般会降低下肢肌肉活动；然而，当高度超过55-60 cm时，这种效应减弱或逆转。在静坐阶段，R的增加显著提高了大腿肌肉的激活。关节扭矩随参数的增大而减小，但当R >； 30°时，膝关节和踝关节载荷出现反弹。主观评分与生理数据非常吻合。总体而言，H = 55-60 cm和R = 10-20°被确定为紧凑型坐立辅助装置的最佳可调参数，在减少肌肉活动、提高舒适性和稳定性以及保持结构紧凑性方面表现出平衡的性能。与H = 35 cm和R = 0°相比，4块肌肉的EMG指标的d形式的减少效应大小从dES -IEMG = 0.31到dRF-IEMG = 2.16， p值均为<；0.05。所有主观评价指标的最佳得分范围同样位于该参数范围内。

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引用次数: 0

User-centered thermal experience in smartphones: How form factor and grasping behavior impact thermotactile sensation 智能手机中以用户为中心的热体验：形状因素和抓取行为如何影响热触觉

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-19 DOI: 10.1016/j.ergon.2026.103889

Tingshu Chen , Lili Dong , Yankuan Liu , Pei-Luen Patrick Rau , Pengbo Chen , Yu Shen , Kai Luo , Jianhua Shi

In this paper, we present an approach to evaluate thermal experience for both slate and foldable smartphones. Based on user grasping behavior, we measured surface temperatures in ten testing landmarks across the front, rear, and frame to investigate heat generation. We examined thermotactile sensation across three smartphone form factors (slate, vertical foldable, and horizontal foldable) in three typical usage scenarios (video recording, short-form video streaming, and long-form video streaming). Our results revealed significant differences in thermal distribution across device types, with the front and back hottest regions identified as the most reliable predictor of thermotactile sensation. There were significant positive correlations between surface temperatures and subjective thermotactile ratings, with Spearman's correlation coefficients ranging from 0.42 to 0.91. Regression models further confirmed the back hottest region as the critical thermal interaction area. Thermotactile sensation occurs across three distinct temperature zones: 39–41 °C (initial awareness), 43–45 °C (discomfort or dissatisfaction), and 46–48 °C (pain). The study demonstrates that both device form factor and grasping behavior significantly modulate thermotactile sensation, with their interaction becoming predominant in extreme heat conditions characterized by elevated surface temperatures. These findings offer practical guidance for thermal management and user-centered design in future mobile devices.

在本文中，我们提出了一种方法来评估板岩和可折叠智能手机的热体验。基于用户抓取行为，我们测量了前面、后面和框架上十个测试地标的表面温度，以研究热量的产生。我们在三种典型使用场景（视频录制、短格式视频流和长格式视频流）中测试了三种智能手机形式（平板、垂直可折叠和水平可折叠）的热触觉。我们的研究结果揭示了不同设备类型的热分布存在显著差异，其中前部和后部最热区域被认为是热触觉最可靠的预测指标。表面温度与主观热触觉评分呈显著正相关，Spearman相关系数在0.42 ~ 0.91之间。回归模型进一步证实了后热区为临界热相互作用区。热触觉发生在三个不同的温度区域：39-41°C（初始意识），43-45°C（不适或不满意）和46-48°C（疼痛）。研究表明，设备形状因素和抓取行为都显著调节热触觉，在表面温度升高的极端高温条件下，它们的相互作用成为主导。这些发现为未来移动设备的热管理和以用户为中心的设计提供了实用指导。

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引用次数: 0

Neuroergonomics evaluation of teamwork in a fast-paced communication and shared decision-making task 快节奏沟通和共同决策任务中团队合作的神经工效学评价

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-15 DOI: 10.1016/j.ergon.2026.103892

Yifan Zhang , Shen Dong , Ruoyu Niu , Yang Chu , Yafeng Pan , Jie Xu

This study examined whether inter-brain synchrony (IBS), measured via functional near-infrared spectroscopy (fNIRS) hyperscanning, may serve as a neurophysiological indicator for team collaboration following structured training. Conventional evaluations of team training rely primarily on subjective ratings and performance metrics. Although IBS has been proposed as an index of neural coordination, its relation to collaboration quality and training-induced change remains unclear. Forty-eight adults (24 dyads) were randomized to a structured team-training or no-training control group and completed a fast-paced microworld task. Independent observers subsequently rated teamwork quality from video recordings. Exploratory machine-learning classifiers were trained on channel-wise IBS features to predict each team's training status. Trained dyads showed significantly lower prefrontal IBS in specific channels than controls, a pattern accompanied by higher observer-rated teamwork scores. Classifiers achieved moderate cross-validated accuracy (≈0.73) for nominal labels and higher performance when calibrated against observer ratings (AUC up to 0.94). Interpreted within Mutual Prediction Theory (MPT), these findings suggest that IBS need not monotonically increase with better teamwork; in high-tempo operational tasks, improved coordination may coincide with reduced online mutual prediction demand. This pattern is compatible with a team neural efficiency account in which effective coordination is achieved with reduced inter-brain coupling. Together, the results motivate future work to validate generalizability and assess feasibility for monitoring and training applications in safety-critical domains.

本研究通过功能性近红外光谱（fNIRS）超扫描检测脑间同步（IBS）是否可以作为结构化训练后团队协作的神经生理指标。传统的团队培训评估主要依赖于主观评分和绩效指标。虽然IBS已被提出作为神经协调的指标，但其与协作质量和训练诱导变化的关系尚不清楚。48名成年人（24对）被随机分为有组织的团队训练组和无训练组，并完成了一个快节奏的微世界任务。随后，独立观察员根据视频记录对团队合作质量进行了评级。探索性机器学习分类器在通道智能IBS特征上进行训练，以预测每个团队的训练状态。与对照组相比，受过训练的二人组在特定通道中表现出明显较低的前额叶IBS，这种模式伴随着更高的观察者评价的团队合作得分。分类器在标称标签上获得了中等的交叉验证精度（≈0.73），在根据观察者评级进行校准时获得了更高的性能（AUC高达0.94）。在相互预测理论（MPT）的解释下，这些发现表明IBS不需要随着团队合作的改善而单调地增加；在高节奏的操作任务中，改进的协调可能与减少的在线相互预测需求相一致。这种模式与团队神经效率的解释是一致的，其中有效的协调是通过减少脑间耦合来实现的。总之，这些结果激发了未来的工作，以验证普遍性，并评估在安全关键领域监测和培训应用的可行性。

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引用次数: 0

Interaction performance of mid-air touch with and without cursor in augmented reality environment 增强现实环境中有无光标的空中触摸交互性能

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-15 DOI: 10.1016/j.ergon.2026.103894

Chiuhsiang Joe Lin, Benedikta Anna Haulian Siboro, Wen-Ting Tsai

Mid-air touch interaction has become increasingly important in augmented reality (AR), enabling users to interact with virtual menus naturally and without physical contact. However, studies examining how menu depth, interaction methods, and task difficulty influence user performance in augmented reality remain limited, particularly within peripersonal space. This study compared the interaction performance of mid-air touch in AR. The experiment was conducted using two depth levels (46 cm and 42 cm), two interaction methods (without and with a cursor), and three levels of task difficulty (easy, medium, and hard). Task difficulty was defined by varying the button diameter and the button spacing. The results revealed that movement time across all depth levels was not significantly different for simple tasks. However, as task difficulty increased, both movement time and error rates rose substantially at a depth of 42 cm, particularly without a cursor. Under these conditions, the presence of the cursor significantly improved accuracy, as participants' focus shifted from their hand to the virtual cursor and menu, thereby reducing visual ambiguity. These findings suggest that a depth of 46 cm supports reliable mid-air interaction, while the integration of visual guidance, such as a cursor, is crucial for maintaining accuracy when menus are positioned closer to the user. This insight is important for AR developers, highlighting the need for optimized spatial configurations and visual cues to enhance interaction performance.

空中触摸交互在增强现实（AR）中变得越来越重要，使用户能够自然地与虚拟菜单交互，而无需物理接触。然而，关于菜单深度、交互方法和任务难度如何影响用户在增强现实中的表现的研究仍然有限，特别是在个人空间中。本研究比较了AR中空中触摸的交互性能。实验采用了两个深度水平（46 cm和42 cm）、两种交互方式（无光标和有光标）和三个任务难度水平（简单、中等和困难）进行。任务难度通过改变按钮直径和按钮间距来定义。结果显示，对于简单任务，在所有深度水平上的移动时间没有显著差异。然而，随着任务难度的增加，移动时间和错误率在42厘米深度显著增加，特别是在没有光标的情况下。在这些条件下，光标的存在显著提高了准确性，因为参与者的注意力从他们的手转移到虚拟光标和菜单上，从而减少了视觉模糊性。这些发现表明，46厘米的深度支持可靠的空中交互，而视觉引导的集成，如光标，对于保持菜单靠近用户时的准确性至关重要。这种见解对AR开发人员来说很重要，强调了优化空间配置和视觉提示以增强交互性能的必要性。

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引用次数: 0

Gender-inclusive ergonomics for sustainable cancer prevention: insights from self-reflection interviews with vulnerable young workers 可持续癌症预防的性别包容性人体工程学：来自弱势年轻工人自我反思访谈的见解

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-14 DOI: 10.1016/j.ergon.2026.103893

Marie Laberge , Liam Lett , Sami Fettah , Jena Webb , Nadielda Pastor-Bédard , France Labrèche , Sabrina Gravel , Sylvain Letscher

This article examines exposure to carcinogens in workplaces among vulnerable youth in a Co-op training program for adolescent and young adult trainees with low educational attainment. It explores how socio-environmental factors increase these risks. An ergonomic approach was used to understand real-world work situations, going beyond measuring exposure to understanding the mechanisms involved. The methodology includes self-reflection interviews (SRI) with eleven trainees, using video of their work situations to stimulate reflection. The analysis examines how gender, communication difficulties, and the gendered nature of trades influence the perception of risks, the understanding of exposure mechanisms, and knowledge of prevention measures. Key findings reveal that trainees often underestimate cancer-related risks, associating the absence of immediate discomfort with the absence of danger. Their understanding of exposure pathways is limited, with ingestion being the most recognized route. Trainees often recognize immediate effects over long-term health consequences. Gender plays a significant role, with young women in caregiving roles prioritizing the safety of others over their own. Trainees in masculine-typical jobs are more likely to receive support and guidance from colleagues. Communication skills impact risk awareness, with trainees who struggle to articulate their thoughts having more difficulty in identifying and explaining hazards in interviews. The study highlights significant gaps in trainees’ comprehension and application of occupational health and safety measures. This research advances efforts toward a sustainable and equitable approach to occupational cancer prevention.

这篇文章研究了在一个为受教育程度低的青少年和年轻成人培训项目中，弱势青年在工作场所接触致癌物的情况。它探讨了社会环境因素如何增加这些风险。一种人体工程学的方法被用来理解现实世界的工作情况，而不仅仅是测量暴露程度，而是理解所涉及的机制。该方法包括对11名学员进行自我反思访谈（SRI），使用他们工作情况的视频来激发反思。分析考察了性别、沟通困难和贸易的性别性质如何影响对风险的认识、对暴露机制的理解以及对预防措施的了解。主要研究结果显示，受训者往往低估了与癌症相关的风险，将没有即时不适与没有危险联系起来。他们对接触途径的了解有限，摄入是最公认的途径。受训者往往认识到直接影响大于长期健康后果。性别扮演着重要的角色，年轻女性在照顾角色中优先考虑他人的安全而不是自己的安全。从事男性化工作的受训者更有可能得到同事的支持和指导。沟通技巧会影响风险意识，难以表达自己想法的受训者在面试中更难识别和解释危险。该研究突出了受训者对职业健康和安全措施的理解和应用方面的重大差距。本研究为职业癌症预防提供了可持续和公平的途径。

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引用次数: 0

Health dimensions and quality of work in ecological construction: Investigating with craftswomen through a Community for Expanded Research and Intervention 生态建设中的健康维度和工作质量：通过社区对手工艺妇女进行调查，扩大研究和干预

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-14 DOI: 10.1016/j.ergon.2025.103874

Fabienne Goutille , Alexandre Belle , Dominique Cau-Bareille

This article explores how overall health and quality of work are experienced and co-constructed by craftswomen in ecological construction, through a collaborative ergonomics research conducted within the Community for Expanded Research and Intervention (CERI) framework. Grounded in a developmental and participatory approach, the project involved shared workshops, field immersions, and intermediate objects for dialogue and intervention, such as video recordings, podcasts, and collectively constructed metrology of dust. The findings highlight persistent constraints and opportunities related to living materials, co-activity, occupational exposures, gendered norms, and other structural or systemic determinants embedded in everyday work practices. In response, the craftswomen develop situated strategies of adaptation and low-tech innovation to protect their health, preserving the quality of work, and sustaining a sensitive relationship with materials and matter. Health criteria were co-developed based on lived experience, integrating the bodily, relational, sensory, and ethical dimensions of work. The process also fostered transformative effects on professional practices, self-perceptions, and collective dynamics, eventually contributing to exchanges with other actors across the sector. For ergonomics, this research calls for a rethinking of intervention frameworks by integrating issues of gender, ecology, and social justice into a reflexive, situated, and committed approach to making actual work activity visible and acknowledged in design and decision-making.

本文通过在扩大研究和干预共同体（CERI）框架内进行的协同工效学研究，探讨了生态建设中手工艺妇女如何体验和共同构建整体健康和工作质量。该项目以发展和参与式的方法为基础，包括共享研讨会、现场浸入、对话和干预的中间对象，如录像、播客和集体构建的粉尘计量。研究结果强调了与生活材料、协同活动、职业暴露、性别规范以及日常工作实践中嵌入的其他结构性或系统性决定因素相关的持续限制和机会。作为回应，女工匠制定了适应和低技术创新的战略，以保护她们的健康，保持工作质量，并保持与材料和物质的敏感关系。健康标准是根据生活经验共同制定的，综合了工作的身体、关系、感觉和道德层面。这一过程还对专业实践、自我认知和集体动力产生了变革性影响，最终促进了与整个行业其他参与者的交流。对于人体工程学，本研究呼吁通过将性别、生态和社会正义问题整合到一种反思的、定位的和承诺的方法中，重新思考干预框架，使实际的工作活动在设计和决策中可见和认可。

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引用次数: 0

Laboratory and field evaluation of user-perceived effort, comfort, and acceptance of passive back-support exoskeletons for masons 泥瓦匠用被动背支撑外骨骼的用户感知努力、舒适度和接受度的实验室和现场评价

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-13 DOI: 10.1016/j.ergon.2026.103881

Mohamad Iyad Al-Khiami , Søren Munch Lindhard , Ahmad Said Saad

Work-related musculoskeletal disorders affect over 30 % of construction workers globally, with back injuries particularly prevalent among masons who handle approximately 10,000 kg of masonry units daily. These injuries represent a critical occupational safety challenge, with masonry workers experiencing overexertion rates 33.4 per 10,000 FTEs compared to 21.5 across all industries. While back-support exoskeletons (BSEs) show promise as injury prevention interventions, most safety evaluations occur in laboratories, raising questions about real-world protective effectiveness. This study compared BSE performance between laboratory and field settings to assess ecological validity for occupational safety applications. A multiple case study examined two passive BSEs: HAPO (rigid, spring-based) and BISKO (soft, elastic-based), testing 23 laboratory and 15 field masons performing masonry tasks using psychophysical assessments. HAPO demonstrated superior laboratory performance (median overall score: 1.5) but significant field deterioration (median: 3.0, p < 0.001), with physical effort ratings increasing 200 % (median: 1.0 to 3.0) and movement restriction ratings doubling (median: 1.0 to 3.0). BISKO maintained stable performance across settings (median overall scores: laboratory 2.25, field 1.875, p = 0.217). Worker willingness to continue using HAPO declined sharply from laboratory (median: 1.0) to field (median: 4.0), suggesting potential non-adoption and continued injury risk. Laboratory testing inadequately predicts field safety performance. These findings necessitate field-validated protocols for exoskeleton safety assessment and highlight design importance for sustained injury prevention. Successful implementation requires prioritizing extended-wear comfort and movement flexibility over maximum support to ensure worker acceptance and sustained protective benefit.

与工作相关的肌肉骨骼疾病影响着全球30%以上的建筑工人，背部受伤在每天处理约10,000公斤砌体的泥瓦匠中尤为普遍。这些伤害是一个重要的职业安全挑战，砌筑工人的过度劳累率为33.4 / 10000，而所有行业的这一比例为21.5 / 10000。虽然背托式外骨骼（bse）有望成为预防伤害的干预措施，但大多数安全性评估都是在实验室进行的，这引发了对实际保护效果的质疑。本研究比较了实验室和现场设置之间的疯牛病表现，以评估职业安全应用的生态有效性。一个多案例研究测试了两种被动的bse: HAPO（刚性，基于弹簧）和BISKO（软，基于弹性），测试了23个实验室和15个现场泥瓦匠使用心理物理评估执行砌体任务。HAPO表现出卓越的实验室表现（总分中位数：1.5），但现场表现明显恶化（中位数：3.0,p < 0.001），体力劳动评分增加200%（中位数：1.0至3.0），运动限制评分翻倍（中位数：1.0至3.0）。BISKO在所有设置中保持稳定的表现（总得分中位数：实验室2.25，现场1.875,p = 0.217）。工人继续使用HAPO的意愿从实验室（中位数：1.0）急剧下降到现场（中位数：4.0），这表明潜在的不采用和持续的伤害风险。实验室测试不能充分预测现场安全性能。这些发现需要外骨骼安全评估的现场验证方案，并强调设计对持续伤害预防的重要性。成功的实施需要优先考虑延长磨损的舒适性和运动的灵活性，而不是最大限度的支持，以确保工人的接受和持续的保护效益。

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引用次数: 0

Multimodal attention-guiding takeover alerts in autonomous driving: Comparing visual, auditory, and combined modalities 自动驾驶中的多模式注意引导接管警报：比较视觉、听觉和组合模式

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2026-01-10 DOI: 10.1016/j.ergon.2026.103879

Zhanxun Dong , Yahong Li , Zhou Fang , Heyi Xu , Yessy Liana Putri

In the current phase of autonomous driving, drivers are still required to take over the vehicle when the driving environment exceeds the operating design domain of the system or when a failure occurs. This study focuses on the impact of visual-auditory attention-guiding takeover alerts on driver performance and subjective user experience during emergency takeovers. Twenty-eight young participants with advanced driver assistance systems (ADAS) experience were recruited for the experiment. This study involved four combinations of multimodal attention-guiding stimuli, and participants were asked to perform non-driving-related tasks (NDRTs) and takeover tasks in simulated scenarios. Takeover reaction times, eye-tracking data, situational awareness, and subjective evaluations were recorded under four stimulus conditions (Baseline, V-AG, A-AG, and VA-AG). This study found that attention-guiding takeover alerts significantly improved driver performance, situational awareness, comfort, and satisfaction. Multimodal visual-auditory attention-guiding takeover alerts outperformed unimodal alerts in enhancing situational awareness and the overall subjective takeover experience. However, auditory-only attention-guiding alerts were more effective in significantly shortening the time required for drivers to complete the takeover task.

在当前的自动驾驶阶段，当驾驶环境超出系统的运行设计域或发生故障时，仍然需要驾驶员接管车辆。本研究的重点是在紧急接管过程中，视觉-听觉注意力引导接管警报对驾驶员表现和主观用户体验的影响。28名具有先进驾驶辅助系统（ADAS）经验的年轻参与者被招募参加实验。本研究涉及四种多模态注意力引导刺激组合，参与者被要求在模拟场景中执行与驾驶无关的任务（NDRTs）和接管任务。在基线、V-AG、A-AG和VA-AG四种刺激条件下，记录接管反应时间、眼动追踪数据、态势感知和主观评价。本研究发现，注意力引导接管警报显著提高了驾驶员的表现、态势感知、舒适度和满意度。多模态视觉-听觉注意引导接管警报在增强态势感知和整体主观接管体验方面优于单模态警报。然而，只有听觉的注意力引导警报在显著缩短司机完成接管任务所需的时间方面更有效。

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引用次数: 0