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Price: EUR 250.00Authors: Straker, Leon M.
Article Type: Research Article
Abstract: Teaching 'correct' lifting technique is common, with squat lifting generally recommended. However the available evidence is less clear about which technique should be favoured. The purpose of this paper was to present an accessible synthesis of the evidence to assist professionals in their decision about whether to teach a specific technique for lifting objects lying on or near the ground. Squat, stoop and semi-squat techniques are described and the psychophysical, physiological, biomechanical, psychological, performance and …clinical evidence for each technique summarised. Evidence for other lifting guidelines is also presented. It is concluded that no one technique has clear evidence and that a work design approach should be the prime focus of intervention. Recommendations for correct lifting technique guidelines are given for where technique training must be provided. Show more
Keywords: lifting technique, manual handling, manual handling injuries, prevention
Citation: Work, vol. 20, no. 2, pp. 83-96, 2003
Authors: Surrey, Lynn R. | Nelson, Kimberly | Delelio, Cheri | Mathie-Majors, Danielle | Omel-Edwards, Natasha | Shumaker, Jack | Thurber, Gretchen
Article Type: Research Article
Abstract: This study examined the performance outcomes between two tests of manual dexterity, the Minnesota Rate of Manipulation Test [1] and the Minnesota Manual Dexterity Test (1981). Even though the tests are constructed differently and are different versions of the Complete Minnesota Dexterity tests, both tests utilize the same instruction manual and the same normative data. The researchers measured 233 random participants at a Midwestern international airport and in the student center at a local university in …Indiana. Each participant completed three trials of a subtest on both versions of the test. One sample t-tests on difference scores indicated statistically significant differences on outcomes of both subtest comparisons as well as overall test score differences (p < 0.000). These significantly different outcomes on the two tests illustrate the need to establish separate normative data on the latest version of the test, the Minnesota Manual Dexterity Test. Show more
Keywords: manual dexterity, hand manipulation tests, standardization procedures
Citation: Work, vol. 20, no. 2, pp. 97-102, 2003
Authors: Lee, Gloria K.L. | Chan, Chetwyn C.H.
Article Type: Research Article
Abstract: Objectives: This study aimed at investigating the utilization and applicability of the Dictionary of Occupational Titles (DOT) as a methodology to study the job profile (nature and physical demand) of formwork carpentry in the local situation. Study design: Thirty male formwork carpenters were recruited by convenient sampling to participate in a two-hour interview, with reference to the DOT Physical Demand Questionnaire (DOTPDQ) and the WestTool Sort Questionnaire. The information obtained was further consolidated by …comparing the results from the interview to three construction sites and training guidelines from the formwork carpentry training centers. The triangulation of the data formulated a job profile of formwork carpenters. Results: The results from the DOTPDQ revealed that workers' work demands were standing, walking, pushing, pulling, reaching, climbing, balancing, stooping, crouching, lifting, carrying, handling and near acuity. This produced an agreement of 84.6% with the original DOT. A discrepancy was found in the demands of kneeling, fingering, far acuity and depth perception. Conclusions: The discrepancy between the data from the United States and local appeared to be minimal. It was thus inferred that the DOT-based job profile was largely valid for describing formwork carpentry in Hong Kong. In-depth analysis should be conducted to further substantiate the validity of utilizing the DOT system for other job types and their physical demands. Show more
Keywords: dictionary of occupational titles, work profile, formwork carpentry
Citation: Work, vol. 20, no. 2, pp. 103-110, 2003
Authors: Truchon, Manon | Fillion, Lise | Gélinas, Céline
Article Type: Research Article
Abstract: Organizational factors are potentially powerful in accounting for work-related chronic disability following a musculoskeletal disorder. This study documents the psychometric qualities of the French Canadian version of the Organizational Policies and Practices questionnaire (OPP) [1] on a population of nurses (N=124). By excluding the two items composing the ergonomic practices factor, a factorial structure identical to that obtained by the OPP's authors is obtained for the disability management policies and practices factor, …the people-oriented culture factor and the safety climate factor. The internal consistency coefficients (Cronbach's alpha) are satisfactory while the coefficients intraclass are less than those obtained by the authors in the test-retest. However, the test-retest interval is greater in this study. Consistent relationships are observed between the dimensions of the OPP and three job-related psychosocial indicators: perceived stress, social support and satisfaction. This suggests a good construct validity for the OPP. Although additional validation efforts are recommended, all of the results obtained support the validity and reliability of the French Canadian version of the OPP. This version can be used to examine the importance of organizational aspects in studies on the prevention of chronic disability. Show more
Keywords: organizational policies and practices, disability prevention, return to work, French version validation
Citation: Work, vol. 20, no. 2, pp. 111-119, 2003
Authors: Millet, Patrick | Sandberg, Karl W.
Article Type: Research Article
Abstract: This research investigated the situation of 143 unemployed sick leavers at the start of vocational rehabilitation in Sweden. It is argued in this paper that in order to gain a meaningful picture of the vocational rehabilitation process it is necessary to know and understand something of individual differences and status at the onset. In doing so, assessment was carried out of the possible influence of one contextual factor and five individual factors on health, duration of …sick leave and unemployment. Findings suggest that individual differences exist in health status, length of sick leave and unemployment, at the upstart of vocational rehabilitating. Locus of control was found to exert important influence on the differences between the individuals in the study sample, with persons of external locus of control having a less favourable point of departure at the start of vocational rehabilitation compared to other groups. It is therefore assumed that these persons will be in greater need of support during the vocational rehabilitation process. The level of unemployment within a geographical area was also found to influence the length of sick leave. Conclusions: Our suggestion is for rehabilitation programs to be developed and selected to match the special needs and differences whether they are of individual or of social nature. Show more
Keywords: vocational rehabilitation, health, sick leave, unemployment and locus of control
Citation: Work, vol. 20, no. 2, pp. 121-129, 2003
Authors: Williams, Chad D.
Article Type: Research Article
Abstract: The purpose of this article is to propose design changes to a food scoop commonly used in the food service industry. A review of literature concerning the design of hand tools is used to justify modifications to the existing design. Changes to the handle and shape of the tool are discussed. Implications of the newly designed food scoop, both for future research and the workplace are reviewed. The conclusion of this article is that the proposed …food scoop should have a 40-millimeter diameter, foam rubber handle and should have a lift angle of 35 degrees. Show more
Keywords: ergonomics, tool, design, ladle, utensil
Citation: Work, vol. 20, no. 2, pp. 131-135, 2003
Authors: Cavallo, Carla Maria | Hlavaty, Tara Marie | Tamase, Melissa Gale M.
Article Type: Research Article
Citation: Work, vol. 20, no. 2, pp. 137-158, 2003
Authors: Dimitrov, Dimiter M. | Rumrill, Jr., Phillip D.
Article Type: Research Article
Abstract: The article examines issues involved in comparing groups and measuring change with pretest and posttest data. Different pretest-posttest designs are presented in a manner that can help rehabilitation professionals to better understand and determine effects resulting from selected interventions. The reliability of gain scores in pretest-posttest measurement is also …discussed in the context of rehabilitation research and practice. Show more
Keywords: treatment effects, pretest-posttest designs, measurement of change
Citation: Work, vol. 20, no. 2, pp. 159-165, 2003
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