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Price: EUR 250.00Authors: Chang, Wen-Ruey | Maynard, Wayne S.
Article Type: Research Article
Abstract: Several factors that might influence the outcomes of the slip index measurements with the Horizontal Pull Slipmeter were examined. These factors were either those not clearly specified in the operating guidelines of the device or those clearly specified but with a high variability in operator compliance. The results indicated that the shoe pad thickness, sanding, alignment between the string and the force gauge, and temperature were the factors that led to significant differences at the levels …evaluated. The differences due to string stiffness, string length, duration from cleaning to friction measurement, dwell time, battery level and relative humidity did not reach a statistically significant level. Extra guidelines are needed for those factors that could result in significant variations in order to lead to more consistent results. Show more
Keywords: Horizontal Pull Slipmeter, slip index, friction measurement
Citation: Work, vol. 26, no. 2, pp. 99-105, 2006
Authors: Shaw, William S. | Robertson, Michelle M. | McLellan, Robert K. | Verma, Santosh | Pransky, Glenn
Article Type: Research Article
Abstract: The role of supervisors to aid injured workers, access health care, and provide reasonable accommodation may prevent prolonged disability among workers reporting musculoskeletal pain. Although supervisor training has been a common element of broad-based ergonomic interventions to prevent injuries, the impact of supervisor training alone to improve injury response has not been studied. In a controlled design, 11 supervisors in an intervention group and 12 supervisors in a delayed intervention control group from the same plant …were provided a 4-hour training workshop. The workshop emphasized communication skills and ergonomic accommodation for workers reporting injuries or health concerns. Workers' compensation claims data in the 7 months before and after the workshop showed a 47% reduction in new claims and an 18% reduction in active lost-time claims versus 27% and 7%, respectively, in the control group. Improving the response of frontline supervisors to employees' work-related health and safety concerns may produce sustainable reductions in injury claims and disability costs. Show more
Keywords: Supervisor training, work injuries, disability management
Citation: Work, vol. 26, no. 2, pp. 107-114, 2006
Authors: Holland, Dennis W.
Article Type: Research Article
Abstract: Drawing upon an original research study about the effects of fatigue on train operators, the present article focuses upon family issues as having the most significant impact on the participants. Family support, for example, represents an important mechanism for managing and coping with fatigue. Family support comprises understanding of the physiological and emotional issues surrounding shiftwork and erratic work schedules. This article explores the impact of fatigue upon a variety of family and relational …issues. This inquiry describes the impact of family on the broader employee view of managing fatigue that considers such comprehensive issues as perception of the work environment, emotional stability, personal control concerns and other positive attributes. These issues ultimately impact the health, productivity and performance of employees. Final discussion includes implications for workplace application of the research findings. Show more
Keywords: Fatigue, shiftwork, family, workplace health, employee relations
Citation: Work, vol. 26, no. 2, pp. 115-121, 2006
Authors: Netto, Kevin J. | Burnett, Angus F.
Article Type: Research Article
Abstract: Acceptable reliability of normalisation contractions in electromyography (EMG) is paramount for testing conducted over a number of days or if normal laboratory strength testing equipment is unavailable. This study examined the reliability of maximal voluntary isometric contractions (MVIC) and sub-maximal (60%) isometric contractions for use in neck muscle EMG studies. Surface EMG was recorded bilaterally from eight sites around the neck at C4/5 level from five healthy male subjects. Subjects performed MVIC and sub-maximal …normalisation contractions using an isokinetic dynamometer (ID) and a portable cable dynamometer with attached strain gauge (PCD) in addition to a MVIC against a manual resistance (MR). Subjects were tested in flexion, extension, left and right lateral bending and were retested by the same tester within a two-week period. Intra class correlation co-efficients (ICC) were calculated for each testing method and contraction direction and a mean ICC was calculated across all contraction directions. All normalisation methods produced excellent within-day reliability (mean ICC >0.80) but only the MVICs using the ID and PCD had acceptable reliability when assessed between-days. This study confirmed the validity of using MVICs elicited using the ID and PCD as reliable reference contractions for the normalisation of neck EMG. Show more
Keywords: Electromyography, neck, cervical, reliability, normalisation
Citation: Work, vol. 26, no. 2, pp. 123-130, 2006
Authors: Norrby, Eva | Linddahl, Iréne
Article Type: Research Article
Abstract: The aim of this study was to examine the reliability of the new instrument DOA – A dialogue about ability related to work [6]. DOA was developed using the Model of Human of Occupation as a theoretical base [12,13]. The instrument is divided into two sections; client self-assessment and professional assessment focusing on the individual's ability to perform work-related activities. Assessments are followed by a dialogue to distinguish goals for the return-to-work process based on the …client's own preferences [6,14]. 34 outpatients' clients and 14 professionals from four clinics within psychiatric work rehabilitation in Sweden participated in the study. The Spearman Rank Correlation test generally showed acceptable significant correlations in test-retest (n=34). A greater part of items correlated "moderate to good" (r=0.51–0.75). In the raters' test (n=14) Percentage of agreement (PA) was good ranging between 93.1%–96.5%, which is above the acceptable criteria of 80%. There were no significance differences between the raters. The study has indicated that items in DOA work with generally good reliability to measure ability related to work. The instrument was demonstrated to be a reliable therapeutic tool in goal setting for return-to-work in a position outside of the clients' preferences. Show more
Keywords: Client dialogue, goal setting, occupational therapy, participation, work assessments
Citation: Work, vol. 26, no. 2, pp. 131-139, 2006
Authors: Ratzon, Navah Z. | Froom, Paul
Article Type: Research Article
Abstract: Background: Low back pain (LBP) is common in nurses, but it is unclear if the pain is associated with measurements of postural control. Objective measurements of function might be useful in the evaluation of patients with LBP in order to evaluate and predict disability, and in the study of the pathophysiology of chronic LBP. Methods: In a cross-sectional study, we measured the number of postural adjustments, and degree of posterior-lateral sway in 81 nurses, using …a computerized postural sway four-platter measurement system. Results: There were 41 (56.6%) nurses who complained of LBP at the time of testing, and another 12 (14.8%) with a past history of LBP. Nurses with LBP consistently used more postural adjustments to keep their balance (p<0.003), and in some positions postural adjustments were positively associated with the degree of past and present pain. LBP was not significantly associated with the degree of lateral sway. Conclusions: Nurses either with present or a past history of LBP use an increased number of postural adjustments to maintain balance. Studies are warranted to determine if postural testing can predict the development of LBP or aid in determining appropriate preventive measures. Show more
Keywords: Low back pain, posture, sway, nurses, adjustments
Citation: Work, vol. 26, no. 2, pp. 141-145, 2006
Authors: Edén, Lena | Andersson, Ingemar H. | Ejlertsson, Göran | Ekström, Britt Inger | Johansson, Yvonne | Leden, Ido | Petersson, Jan
Article Type: Research Article
Abstract: Different strategies have been used to stimulate a return to work (RTW) among individuals suffering from long-term ailments. In Sweden a new law on "resting disability pension" permits disability pensioners to go back to work without jeopardising their benefits. In this study different variables related to RTW during 2000 by means of this legislation were identified among disability pensioners with musculoskeletal disorders. Individuals in the study group, when compared to a control group, had more often …been disability pensioners for several years, had additional education, estimated their previous job to have been physically strenuous to a lesser degree, were more satisfied with the treatment at the social insurance office and had a more positive self-image. This study shows that it may be meaningful to continue/resume rehabilitation efforts and to try to motivate an individual suffering from musculoskeletal disorders to return to work even after several years as a disability pensioner. Show more
Keywords: Disability pension, return to work, musculoskeletal disorders
Citation: Work, vol. 26, no. 2, pp. 147-155, 2006
Authors: Montreuil, Sylvie | Laflamme, Lucie | Brisson, Chantal | Teiger, Catherine
Article Type: Research Article
Abstract: Objective: The goal of this article is to better understand how preventive measures are undertaken after training. It examines how certain variables, such as musculoskeletal pain, participant age and workstation and work content characteristics influence the reduction of postural constraints after office employees working with a computer have received ergonomics training. Methods: A pre-test/post-test design was used. The 207 female office workers were given 6 hours of ergonomics training. The variables were …determined using a self-administered questionnaire and an observation grid filled out 2 weeks before and 6 months after the training session. The FAC and HAC were used in the data processing. Results: The presence or absence of musculoskeletal pain had no statistically significant influence on whether or not postural constraints were eliminated. The age of the participants and the possibility of adjusting the workstation characteristics and work content produced differentiated results with regard to postural constraint reduction. We concluded that trained people succeed in taking relevant and effective measures to reduce the postural constraints found in VDUs. However other measures than work station adjustments lead to this prevention and such training must be strongly supported by the various hierarchical levels of an enterprise or an institution. Show more
Keywords: VDU, VDT, musculoskeletal disorders, age, change
Citation: Work, vol. 26, no. 2, pp. 157-166, 2006
Authors: Vaez, Marjan | de Leon, Antonio Ponce | Laflamme, Lucie
Article Type: Research Article
Abstract: This study compares aspects of the health-related behaviors and working life of first-year university students with those of their working counterparts and assesses the roles of these aspects as predictors of each groups' perceived quality of life (QoL). Subjects were taken from two cross-sectional data sets (a student survey and a population survey) from the Swedish central-western region of Östergötland. Male and female respondents aged 20–35 years were extracted and comparison were made …considering in turn socio-demographic characteristics, health-related behaviors, exposure to abusive events at work and perceived QoL. University students smoked and used oral snuff in smaller proportions, they were not as frequent drinkers as their working counterparts, but they tended to drink more when they did drink. Threats and violence were less prevalent among students, but sexual harassment, were almost as common. The strongest predictors of perceived QoL for both groups are expected and former perceived QoL, followed by current self-rated health. Show more
Keywords: Abusive events, health-related behavior, alcohol consumption
Citation: Work, vol. 26, no. 2, pp. 167-177, 2006
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