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ISSN 1051-9815 (P)
ISSN 1875-9270 (E)
Impact Factor 2024: 1.7
WORK: A Journal of Prevention, Assessment & Rehabilitation is an interdisciplinary, international journal which publishes high quality peer-reviewed manuscripts covering the entire scope of the occupation of work. The journal's subtitle has been deliberately laid out: The first goal is the prevention of illness, injury, and disability. When this goal is not achievable, the attention focuses on assessment to design client-centered intervention, rehabilitation, treatment, or controls that use scientific evidence to support best practice.
WORK occasionally publishes thematic issues, but in general, issues cover a wide range of topics such as ergonomic considerations with children, youth and students, the challenges facing an aging workforce, workplace violence, injury management, performing artists, ergonomic product evaluations, and the awareness of the political, cultural, and environmental determinants of health related to work.
Dr. Karen Jacobs, the founding editor, and her editorial board especially encourage the publication of research studies, clinical practice, case study reports, as well as personal narratives and critical reflections of lived work experiences (autoethnographic/autobiographic scholarship),
Sounding Board commentaries and
Speaking of Research articles which provide the foundation for better understanding research to facilitate knowledge dissemination.
Narrative Reflections on Occupational Transitions, a new column, is for persons who have successfully transitioned into, between, or out of occupations to tell their stories in a narrative form. With an internationally renowned editorial board,
WORK maintains high standards in the evaluation and publication of manuscripts. All manuscripts are reviewed expeditiously and published in a timely manner.
WORK prides itself on being an author-friendly journal.
WORK celebrates its 25th anniversary in 2015.
*WORK is affiliated with the Canadian Association of Occupational Therapists (CAOT)* *WORK is endorsed by the International Ergonomics Association (IEA)* *WORK gives out the yearly Cheryl Bennett Best Paper Award*
Abstract: This article serves as a response to the Work article on scoping literature reviews by Harris et al. [1]. Conceptualizing scoping reviews as an exploratory approach to organizing literature and research findings in a content area that is still developing, we propose a mixed-methods approach to systematic reviews that enables researchers to capture the breadth and depth of existing knowledge, thereby facilitating the transfer of research findings into field practice.
Abstract: BACKGROUND: In India varieties of hand tools have been used to cut the vegetables. Traditional vegetable cutter is a commonly used hand tool which has been used for years in the kitchen. The tool may have some design related problems. The present study was undertaken to reduce those problems. OBJECTIVE: The study objective was to evaluate a new design of traditional vegetable cutters for use in the Indian kitchen. PARTICIPANTS: One hundred and fifty Indian women who regularly used…a vegetable cutter for cooking purposes participated in this study. METHODS: The design of the vegetable cutter was modified based on the postural preference of the users and other anthropometric factors including the blade angle, length, breadth and width of the sitting area. The prevalence of musculoskeletal disorders was assessed by means of a questionnaire for subjects' feedback. New concepts of the design were proposed and a few prototypes were made and were tested by paired comparison using the EMG system. RESULTS: A large number of subjects (61%) used the vegetable cutter while sitting on the floor with folded knees and the prevalence of MSD in most of the body parts was comparatively lower in this posture than that in squatting posture. In the new design, a broad platform was suggested to provide a more comfortable sitting when a subject sits on it with folded knees. For the vegetable cutter, the blade angle was made at 120° with a broad folded wooden base as the final prototype of the cutter. The length, breadth, and thickness of the base were selected based on the results of the anthropometric measurements among the prototypes of the cutters. The selected vegetable cutter showed the least myoelectric activity among the prototypes during cutting vegetables. CONCLUSION: The modified vegetable cutter appeared to be ergonomically effective, less prone to muscular stress, and compatible for preferred posture of the users.
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Abstract: BACKGROUND: The etiology of the neck and back discomfort are highly associated with abnormal static posture such as forward head posture and flexed relaxed posture; such postures are regarded as the risk factors for work-related musculoskeletal disorders. Although, various ergonomic chairs and devices have been developed for computer workers, there are few reports of software that can alert users to their posture or work hours. OBJECTIVE: Purpose of the present study was to investigate the difference of kinematics…of the neck and trunk segments as well as muscular activation between condition with and without posture related auditory cueing. METHODS: Twelve male computer workers were recruited in this study. A posture related auditory cueing (PAC) program used a media file that generated postural correction cue at intervals of 300 seconds. Surface electromyography was used to measure the activity of the erector spine and upper trapezius. Kinematic data were obtained using an ultrasonic three dimensional movement analysis system. RESULTS: The results showed that the means of trunk flexion and forward head angle were significantly reduced with PAC. The muscular activity of the erector spine and upper trapezius was significantly higher with the PAC and significantly lower without the PAC. CONCLUSIONS: Our findings suggested that the software providing PACs is an ergonomic device with positive effects for preventing habitual poor posture and potential for widespread practical usage.
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Keywords: Auditory cue, ergonomics devices, forward head posture, poor posture
Abstract: BACKGROUND: Although there is a broad political consensus in Norway that the government should uphold the principles of "full employment" and "work for all", the majority of people with intellectual disabilities in Norway spend their days in segregated work arrangements or at day activity centres. OBJECTIVE: The aim of the current study was to explore what constitutes work and work roles for people with intellectual disabilities and severely limited verbal communication abilities who attend…a day activity centre. METHOD: A qualitative ethnographic research design was adopted, and the data were gathered through observing the participants and through conducting conversational interviews with the staff members and the participants with intellectual disabilities. Data were analysed with a hermeneutic approach. RESULTS: The findings showed that even though participants with intellectual disabilities engaged in specific work roles at the day activity centre, these work roles did not constitute work as it is ordinarily conceptualised and valued in society. CONCLUSION: Despite the very real enjoyment that the participants derive from participating in organised occupation, the work that they do has little status or value, and the activity centre itself is not a satisfactory workplace for people with intellectual disabilities.
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Keywords: Occupation, participation, inclusion, work role
Abstract: BACKGROUND: Direct estimation of VO_{2} max involves labourious, exhaustive, hazardous, time consuming and expensive experimental protocols. Hence, application of various indirect protocols for prediction of VO_{2} max has become popular, subject to proper population-specific standardisation of the indirect protocol. OBJECTIVES: Application of Fox (1973) protocol in male sedentary university students of Kolkata, India led to premature fatigue in their leg muscles that hindered the muscular activity leading to inability in completing…the exercise. The present study was aimed at modifying and validating the Fox (1973) protocol with a convenient workload of 110 W (i.e., modified Fox test or MFT) in the said population. METHODS: Ninety (90) sedentary male students were recruited by simple random sampling from the University of Calcutta, India and they were randomly assigned into study group (n=60) and confirmatory group (n=30). VO_{2} max was directly estimated by Scholander micro-gas analysis after incremental bicycle exercise. Predicted VO_{2} max (PVO_{2} max) was computed from MFT by using the submaximal heart rate (HR_{sub} ). RESULTS: In the Study Group VO_{2} max (2216.63 ± 316.77 mL.min^{- 1} ) was significantly different (P< 0.001) from PVO_{2} max (3131.73 ± 234.32 mL.min^{-1} ) measured by using the equation of Fox (1973). Simple and multiple regression equations have been computed for prediction of VO_{2} max from HR_{sub} and physical parameters. Application of these norms in the confirmatory group depicted insignificant difference between VO_{2} max and PVO_{2} max with substantially small limits of agreement and lower values of SEE. CONCLUSION: The modified regression norms are therefore recommended for use in MFT for accurate assessment of VO_{2} max in the studied population.
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Keywords: VO_{2}max, Indian males, sedentary, cycle ergometry
Abstract: BACKGROUND: Glare is a very common source of image degradation when performing computer work. Since reading is a task that is very sensitive to image degradation induced disability glare affects reading performance. OBJECTIVE: To assess the effect of different glare conditions on eye movements when reading on a computer screen. Glare conditions have an impact on reading. This observation is based on the results from a study where we investigated how reading eye movements were affected by glare.…PARTICIPANTS: Sixteen subjects with normal vision participated in this study. METHOD: In a balanced repeated-measurement study, all subjects performed equal near-vision reading tasks. In addition to the condition of no glare three controlled conditions of glare were used: direct light, indirect light, and desk luminary. The subjects read three texts under each condition: First a short standardized text (IReST), secondly a longer newspaper text, and finally an additional IReST text. The texts were read on a Tobii T120 eye tracker. RESULTS: The results show that glare does have a negative effect on reading performance. The more adverse the lighting condition was, the slower the reading speed became. The decrease was primarily a result of increased fixation durations. Both glare conditions of direct and indirect glare increased the fixation durations significantly (p < 0.05). CONCLUSION: This study shows that even moderate glare conditions can have an impact on reading. The results show that it is important to follow recommendations of lighting design in computer work environment in order to avoid disability glare.
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Abstract: BACKGROUND: A workplace's design can have various positive or negative effects on the employees and since the 1970s the advantages and disadvantages of open-plan offices have been discussed. OBJECTIVE: The aim of this study was to investigate perceived health, work environment and self-estimated productivity one month before and at three, six and twelve months after relocation from individual offices to an open-plan office environment. METHODS: Employees from three departments within the same…company group and who worked with relatively similar tasks and who were planned to be relocated from private offices to open-plan offices were invited to participate. Questionnaires comprising items from The Salutogenic Health Indicator Scale, The Work Experience Measurement Scale, the questionnaire by Brennan et al. about perceived performance and one question from the Work Ability Index were sent to participants one month before relocation (baseline) to open-plan offices and then at three, six and twelve months after relocation. At baseline, 82 questionnaires were sent out. The response rate was 85%. At the follow-ups 77–79 questionnaires were sent out and the response-rate was 70%–81%. RESULTS: At follow-ups, perceived health, job satisfaction and performance had generally deteriorated. CONCLUSIONS: The results of the study indicate that employees' perception of health, work environment and performance decreased during a 12 month period following relocation from individual offices to open-plan offices.
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Keywords: Ergonomics, work organization, health promotion, work performance, perceived health
Abstract: BACKGROUND: Musculoskeletal disorder is one of the major health hazards among the rice farmers. Both men and women rice farmers have been shown to experience elevated risks of prevalence of work-related musculoskeletal disorders (WMSD). OBJECTIVE: To estimate the different ergonomic risk factors associated with rice farming identify potential gender differences and the prevalence of musculoskeletal disorders (MSDs) among the rice farmers. PARTICIPANTS: Rice farmers – 110 men and 110 women were selected from the…villages of West Bengal, India. METHODS: Modified Nordic Questionnaires were administered to assess the prevalence of MSDs. Detailed posture analysis was performed along with the administration of the Body-part Discomfort Scale. Objective measurements of physiological parameters and lung function values were also recorded. RESULTS: From this study it was revealed that the most subjects (99%) suffered discomfort at different parts of the body especially at low back (93.8%), shoulder (60.9%), hand (53.6%) and knee (80.9%) due to awkward posture (99%) and excessive repetitive task (95%) for a prolonged period of time. Both group of rice farmers suffered maximum discomfort feeling during digging (87.7%), sowing seeds (82.7%), harvesting (90.9%) and carrying crops (99%) activities. The farmers also suffered from severe physiological and thermal stress which hampered their other daily activities. CONCLUSIONS: The study conclude that women farmers felt significantly (p< 0.001) higher discomfort feeling than men rice farmers due to perform numerous household activities which further enhanced their discomfort feeling in their different body parts.
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Keywords: Discomfort feeling, nordic questionnaire, heart rate, net cardiac cost, lung function values, posture analysis
Abstract: BACKGROUND: Work-related musculoskeletal disorders of back among weavers are prevalent. Epidemiological studies have shown an association between poor working postures and back disorders among carpet weavers. Therefore, the present study aimed to evaluate the impact of the traditional (A) and ergonomically designed (B) workstations on trunk posture and cumulative compression load in carpet weavers. METHODS: In this study, subtasks were identified in terms of stressful postures and carpet weaving process. Postural data were collected…during knotting and compacting subtasks using inclinometer during four hours for each workstation. Postural data, weight and height of the weavers were entered into the University of Michigan three-dimensional static biomechanical model for estimation of the compression load and cumulative load were estimated from the resultant load and exposure time. PARTICIPANTS: Thirteen healthy carpet weavers (four males and nine females) participated in the study. RESULTS: Median trunk flexion angle was reduced with workstation B during knotting subtask (18° versus 8.5°, p< 0.01 in males; 18.5° versus 7°, p< 0.001 in females). Average cumulative compression load was reduced with workstation B (22.17MN-s versus 16.68MN-s, p < 0.01 in males; 13.05 MN-s versus 10.14, p < 0.001 in females). CONCLUSIONS: Using workstation B led to significant decrease in cumulative compressive loading during an entire shift (8 hours), which indicates reduced level of stress on the back. It is suggested to conduct biomechanical studies on the shoulder and wrist regions in carpet weavers in order to achieve further development and improvement in the ergonomically designed workstation.
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