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Price: EUR 250.00Authors: Pranav, P.K. | Patel, Thaneswer
Article Type: Research Article
Abstract: BACKGROUND: Manual orange harvesting is very laborious, time consuming and unsafe operation whereas neither mechanical harvesting nor mechanized hand harvesting is possible in north-east India due to its hilly terrains. The awkward postures and repetitive nature of work in orange harvesting, demands a comfortable and appropriate hand harvester for hilly region. OBJECTIVE: The purpose of this study was to develop a manual orange harvester for hilly regions considering the ergonomic parameters, and compare the performance with the existing models of the manual harvester. PARTICIPANTS: In this study twenty healthy experienced orchard workers (10 male and …10 female) participated who did not have any previous functional musculoskeletal disorders. METHODS: We developed a manual orange harvester by eliminating the problems associated with the existing harvesters. The developed model along with existing models was evaluated extensively in the field. During evaluations, heart rate of the subjects was measured and oxygen consumption was predicted to calculate the energy expenditure rate (EER) from the established relationship in the laboratory before the field experiments. Further, performance parameters of orange harvester i.e. plucking rate (PR), damaged quantity (DQ), plucking energy requirement (PER) and discomfort rating were also observed. RESULTS: The PR was 425, 300 and 287 pieces per hour for the developed model (DM), first existing model (EM1) and second existing model (EM2), respectively. The DM showed lower PER (2.14 kJ/piece) followed by EM2 (2.95 kJ/piece) and EM1 (4.02 kJ/piece) which is considered as overall performance as it includes energy per unit of plucking. Further, the body part discomfort score revealed that DM was more comfortable in use followed by EM2 and EM1. CONCLUSIONS: The performance of the DM was found better in terms of plucking rate, energy requirement and body part discomfort than the other existing models. Shoulders and neck are the most affected body parts where all subjects felt severe discomfort. Show more
Keywords: Manual harvester, orange, heart rate, energy expenditure rate, discomfort
DOI: 10.3233/WOR-162285
Citation: Work, vol. 54, no. 1, pp. 179-187, 2016
Authors: Yuan, Guo | Jia, Libin | Zhao, Jian
Article Type: Research Article
Abstract: BACKGROUND: Few studies concern the moderator effect of organizational identification between organizational justice and job satisfaction. OBJECTIVE: This study aimed to examine the trilateral relationship among organizational identification, organizational justice and job satisfaction, especially focus on the moderator effect of organizational identification. METHODS: 354 staffs completed the measures of organizational justice, organizational identification and job satisfaction. RESULTS: Hierarchical regression analysis showed that organizational identification moderated the association between organizational justice and job satisfaction. When staffs reported a low level of organizational identification, those with high organizational justice reported higher scores in job satisfaction …than those with low organizational justice. However, the impact of organizational justice on job satisfaction was not significant in high organizational identification group. CONCLUSIONS: Organizational identification can significantly moderate the impact of organizational justice on job satisfaction. The significance and limitations of the results are discussed. Show more
Keywords: Occupational mental health, moderating effect, hierarchical regression analysis, Occupational happiness
DOI: 10.3233/WOR-162271
Citation: Work, vol. 54, no. 1, pp. 189-195, 2016
Authors: Minghelli, Beatriz | Oliveira, Raul | Nunes, Carla
Article Type: Research Article
Abstract: BACKGROUND: The adoption of incorrect postures or carrying overweight backpacks may contribute to the development of musculoskeletal disorders in school children. OBJECTIVE: This study evaluated the weight of backpacks and the postural habits adopted in schools by Portuguese adolescents, and their association with scoliosis and low back pain (LBP). METHOD: The sample comprised 966 Portuguese students, aged between 10 and 16 years. The instruments included a questionnaire to characterize the presence of LBP and the postural habits adopted by students, the weighing of backpacks and a scoliometer to evaluate scoliosis. RESULTS: No association was …observed between assuming incorrect postures and carrying overweight backpacks, in students with scoliosis. Students who adopted incorrect sitting postures had 1.77 times the risk (95% CI: 1.32–2.36; p < 0.001) of developing LBP; those positioned incorrectly whilst watching TV and playing games had 1.44 times the risk (95% CI: 1.08–1.90; p = 0.012) of developing LBP; and those standing incorrectly had 2.39 the risk (95% CI: 1.52–3.78; p < 0.001) of developing LBP. CONCLUSIONS: The results revealed that students who sat with the spine positioned wrongly, as well as those who were standing incorrectly, were more likely to present with LBP. Show more
Keywords: Back disorders, behavioral risk factors, epidemiology, teenagers
DOI: 10.3233/WOR-162284
Citation: Work, vol. 54, no. 1, pp. 197-208, 2016
Authors: Tan, Heidi Siew Khoon | Yeo, Doreen Sai Ching | Giam, Joanna Yu Ting | Cheong, Florence Wai Fong | Chan, Kay Fei
Article Type: Research Article
Abstract: BACKGROUND: Return-to-work (RTW) programmes for injured workers have been prevalent in Western countries with established work injury management policies for decades. In recent years, more Asian countries have started to develop RTW programmes in the absence of work injury management policies. However, few studies have evaluated the effectiveness of RTW programmes in Asia. OBJECTIVE: Return-to-work coordination has been found to be an important facilitator in RTW programmes. This study seeks to determine the effectiveness of a Return-to-work coordinator (RTWC) model of care in facilitating early RTW for injured workers in Singapore. METHODS: A randomized controlled …trial was used. 160 injured workers in a general hospital were randomly allocated to either control (receive usual hospital standard care) or intervention (assigned a RTWC) group. The RTWC closely supported RTW arrangements and proactively liaised with employers and healthcare professionals on RTW solutions for the injured workers. RESULTS: At three months post injury, workers in the intervention group RTW 10 days earlier than the control group, with a higher proportion of workers in the intervention group returning to modified jobs. There were no significant differences in the quality of life measures between the two groups. CONCLUSION: The addition of a RTWC into the hospital model of care is effective in facilitating early RTW for injured workers. This could be a potential model of care for injured workers in Asian countries where work injury management policies are not yet established. Show more
Keywords: Return to work, occupational rehabilitation, occupational therapy, worker’s compensation
DOI: 10.3233/WOR-162288
Citation: Work, vol. 54, no. 1, pp. 209-222, 2016
Authors: Švajger, Andreja | Piškur, Barbara
Article Type: Research Article
Abstract: BACKGROUND: Few studies exist on the clinical utility of the Canadian Occupational Performance Measure (COPM) in vocational rehabilitation. OBJECTIVE: The aim of this study was to explore how Slovenian occupational therapists working in vocational rehabilitation, perceived the usefulness of the COPM in their everyday practice. METHODS: A qualitative study using two focus group discussions was conducted. The meaning condensation method was applied to analyze the data. RESULTS: Analysis revealed the following key themes: (1) the COPM facilitates collaboration with the client; (2) the COPM is a source of evidence and empowerment for occupational …therapists; (3) the challenges that arise when using the COPM; (4) the use of COPM requires training; and (5) using the COPM results and understanding their meaning. CONCLUSIONS: The study reveals new insights into using the COPM results in occupational therapy, especially into the contextual factors that influence the meaning and importance of work for clients in vocational rehabilitation. Show more
Keywords: Client-centered occupational therapy, empowerment, return to work, employment, occupation
DOI: 10.3233/WOR-162287
Citation: Work, vol. 54, no. 1, pp. 223-233, 2016
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