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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: Trunk forward lean (TFL) has been identified as a postural adaptation to increases in backpack load, and spinal forces have been presumed based on TFL. This pilot project examined the combined effects of increasing backpack load and task demand on TFL. Two boys with typical development, aged 11 and 9, were participants. Peak5 Motion Analysis Videography was used to gather 2D kinematic data under three levels of backpack load (0%, levels of task demand (stand, walk…and run). Passive reflective markers were placed on anatomical landmarks, and TFL was calculated by the angle formed by a line joining the right acromion and right greater trochanter and a vertical reference line. Descriptive statistics were performed to compare TFL under the nine experimental conditions. Although TFL most often increased with increases in backpack load and task demand, TFL was not dose dependent. Postural patterns varied between participants, and the findings supported a ceiling effect. In conclusion, to compensate for changes in inertia and center of gravity when wearing a backpack, TFL represents a dynamic emergent strategy that varies based on task demand and characteristics of the individual. Further research on TFL is warranted, and clinicians should be cautious when recommending safe carrying loads for children based on posture.
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Keywords: posture, trunk forward lean, backpacks, school-aged children
Abstract: As American children spend more time working at computers, they may be putting themselves at risk for musculoskeletal disorders and other conditions that can result from overuse. There is little research that describes the home computer use of American middle school children or that describes the prevalence of musculoskeletal…discomfort in this population. This study provides a general description of the computer set-up and home use of 152 6th grade children and looks at the association between overall musculoskeletal discomfort and various ergonomic variables. {\it Method:} 152 6th grade children completed the Musculoskeletal Discomfort Questionnaire and a survey of home computer use. {\it Results:} More than half of the children reported some musculoskeletal discomfort within the last year. This pain could be made worse by computer use. Students reported that they had three computers in their house, and that they generally did not have furniture specifically designed for computer use. There was a significant association between the number of hours on the computer and overall musculoskeletal discomfort (r = 0.19, p = 0.05). The odds ratios between having furniture designed for the computer and touch typing and musculoskeletal discomfort were borderline significant, but suggested that students without proper furniture were more likely to have musculoskeletal discomfort (OR = 1.89, 95% and that those who could touch type were less likely to have musculoskeletal discomfort (OR = 0.54, 95%, 95% CI = 0.26--1.10), OR). {\it Conclusion:} American children are reporting moderate amounts of musculoskeletal discomfort and this discomfort can be associated with computer use. Risk factors associated with computer use and discomforts are similar to those reported in the adult literature. Further study is necessary to understand the similarities and differences between adult and children computer use and how to protect both from developing musculoskeletal discomfort.
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Abstract: Ergonomic design considerations for computer use in schools are reviewed. Evidence for the postural effects of ergonomic furniture from worldwide studies is evaluated. Issues of furniture sizing and allocation methods are discussed. The limited evidence for effects of input device design on schoolchildren is summarized. Future directions for ergonomic research studies are presented.
Keywords: posture, ergonomics, children, computer, school furniture
Abstract: Evidence suggests there is increasing use of computers by children and poor workstation designs for children. This laboratory study investigated the effect of adjusting computer display height and desk height on upper quadrant posture and muscle activity. Thirty three children aged 4--17 years worked on a desktop computer at a standard school workstation and at a workstation adjusted to the individual, typically consisting of a lower display and desk height. The adjustments resulted in increased head…tilt, neck flexion, gaze angle, cervical erector spinae activity and a trend for lower right upper trapezius activity. The recent evidence that suggests more head and neck flexion is not necessarily worse is discussed and normative values for children's head tilt and neck flexion presented. The role of forearm support in decreasing trapezius activity is also discussed.
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Abstract: Children using computers and electronic games may adopt the kinds of sustained and awkward postures that are associated with musculoskeletal disorders in working adults. If they do, the physical demands of extensive use could lead to a wide range of adverse effects on developing children, including visual, neurological and physical changes. This article reviews the literature related to media use, ergonomics, epidemiology and pediatrics that address the physical impact of computer use by children. The literature…establishes that computer use is common, but does not demonstrate a causal or statistical association with any physical disorders. Laboratory studies on vision, case reports of game-related tendonitis and ergonomic analyses of classroom computers suggest that concern is warranted.
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Keywords: ergonomics, musculoskeletal disorder (MSD), pain, technology, video games
Abstract: A study was conducted in the homes of middle school children (average age = 12.7 years, SD = 0.52 years) to determine if an educational intervention would increase both the children's and their parents' knowledge of ergonomically correct setup of a computer workstation and computer use. Six children and their parents (n = 6) participated in this study. The study consisted of two data collection sessions over a two-week period. Results suggest a significant…(p < 0.05) increase in knowledge of computer use and workstation setup for both parents and children, however, no significant changes in posture were noted between sessions. It was concluded that education is an effective method to increase knowledge of ergonomics in both middle school children and their parents but more research is indicated to understand the linkage between ergonomic understanding and durable accomodations.
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Abstract: {\it Objective:} The purpose of this study was to compare anthropometric measurements of children/adolescent (6th grade -- 8th grade) and use these measurements to determine fit by ethnicity and grade level across three common classroom desks and chairs. {\it Study design:} Eighty-eight Caucasian-American (CA), 65 Mexican-American (MA), and 58 African-American (AA) 6th, 7th, and 8th graders participated in the study (n = 211 students). Students were seated (shoeless) on a horizontal seating surface with…an adjustable footrest to obtain 90° angles at the hips, knees, and ankles. Standing height and five seated measurements were obtained using a stadiometer. Desk measurements were obtained from the most common desks used for each grade level. Six measurements (seat height, seat depth, seat slope, desk height, desk clearance, desk slope) were obtained with a tape measure and angle finder. Mismatch was operationalized apriori to determine fit of student dimensions and desks. {\it Results:} Multivariate analysis (SPSS 10.1) revealed significant differences in anthropometric dimensions at each grade level for ethnicity and gender (p < 0.05). Only one 6th grade MA male fit both seat height and depth criteria. One-way ANOVA's and Scheffe post hoc tests revealed significant differences between fit by ethnicity for chair 1 and chair 2. No students experienced knee/desk clearance problems. Only one student was able to find a desk surface that did not exceed their maximum functional elbow height. {\it Conclusions:} AA's had longer lower extremity lengths versus their ethnic counterparts at all grade levels. Subjects did not fit chairs and desks regardless of age or ethnicity. Ethnicity played a significant role in seat height fit for two of the three chairs. These disparities may create a generation with an increased incidence of musculoskeletal problems carrying over to adulthood and the adult workplace.
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Abstract: Children now use computers throughout their education. As schools have focused on purchasing computers and providing internet access, there has been little consideration of ergonomics. Even if educators and school administrators acknowledge students would benefit from better ergonomics, they may assume it is too expensive or not know where to begin. This paper describes one process used to implement low cost ergonomic improvements and provide training for teachers, staff and students in an elementary school.
Abstract: {\it Purpose:} The effect of education on proper wearing of a backpack was studied to determine whether or not a middle school population would improve posture during load carriage by maintaining a more natural posture and to determine if schoolchildren would comply with proper backpack wearing. {\it Method:} 17 middle school children with a mean age of 12.7 years were randomized into control and intervention groups. Participants were videotaped in four conditions from an…anterior view and from a lateral view. Members of both groups participated in Sessions A and C, which consisted of videotaping of the four conditions. Intervention members additionally participated in Session B, consisting of education on how to wear a backpack properly. All participants were interviewed concerning their participation and its effect on how they wore their backpack. Video footage was analyzed to calculate the change in skeletal angles as a result of different methods of load carriage. Interview data was coded and analyzed. {\it Results:} No quantitative significance was found between control and intervention groups in regards to education on proper backpack wearing improving posture. Interviews revealed that intervention group members benefited from the education on proper wearing of a backpack. 87.5% of the intervention group members proceeded to continue wearing the backpack properly after the education intervention. {\it Conclusions:} Education regarding proper wearing of a backpack may impact the middle school aged child by improving quality of life as noted through decrease in reports of musculoskeletal pain by participants.
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