Ergonomic Approaches to Reduce the Risk of a Manual Material Handling Task in a Brazilian Poultry Slaughterhouse

Tirloni, Adriana Seára; Reis, Diogo Cunha dos; Moro, Antônio Renato Pereira

doi:10.1007/978-3-030-51549-2_32

Cited by 1 publication

(2 citation statements)

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“…In this study, the factors that had the most significant impact on the final VLI were as follows: Maso et al [5] reported that the most important coefficients for reducing VLI were lifting frequency and load weight. In the study performed by Tirloni et al [48], the amount of VLI in slaughterhouse workers with MMH task was estimated to be 4.99 (very high), but the VLI value was 0.80 and decreased with strategies such as job rotation with eight workers, ideal vertical area, and weight reduction of boxes to 7-8 kg.…”

Section: Vlimentioning

confidence: 97%

“…The VLI value of retail workers with manual material handling ranged from 2.12 to 2.811 in the study conducted by Maso [5]. Nicoletti et al [47] reported that in construction workers, the mean VLI was 2.1; Tirloni et al [48] also estimated the VLI in slaughterhouse workers with manual material handling to be 4.99. The present study's findings were consistent with the results of these three studies.…”

Section: Vlimentioning

confidence: 99%

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Assessment of Load Manual Lifting among Shelf-Stoking Workers in Chain Stores: A Cross-Sectional Study

Choobineh,

Dortaj,

Razeghi

et al. 2024

Applied Bionics and Biomechanics

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In Iranian stores, shelf workers, in addition to shelf-stocking, perform diverse tasks, such as working as a cashier, cleaning, barcode reading, labeling goods, and entering the price with the portable data terminal (PDT). Therefore, this study aimed to investigate the prevalence of work-related musculoskeletal symptoms (WMSs) and assess load manual lifting among shelf-stoking workers. This cross-sectional study was conducted among 101 shelf-stoking workers (60 males and 41 females) in chain stores at Shiraz city, Iran. The subjects were selected by cluster sampling from chain stores in Shiraz city, namely Refah, Canbo, Soroush, and Tirazis. Then, the required number of samples was selected and entered into the study from each cluster in proportion. The Persian version of the Nordic Musculoskeletal Questionnaire and the National Institute of Occupational Safety and Health–variable lifting index method were used to collect the required data. Data were analyzed by SPSS software version 22 using the Mann–Whitney U test, Spearman’s correlation coefficient, and linear regression. Ankles/feet, lower back, and knees had the highest prevalence of WMSs among the participants. About 70.3% of workers had a VLI higher than 1. There was an association between gender and VLI. The VLI was higher in males than females. The study’s findings revealed that the medians of the VLI were significantly different among participants with/without upper back symptoms during 12 months prior to the study and among participants with/without lower back symptoms during 7 days prior to the study. According to the linear regression analysis, gender and lower back symptoms during 7 days prior to the study remained in the model and were associated with the VLI. The findings revealed that the back region of the shelf-stoking workers is prone to work-related musculoskeletal disorders. In addition, based on the results, gender and lower back symptoms during the 7 days prior to the study were predicting variables for VLI. This study provides an overview of pain/discomfort and postural load in shelf-stoking workers. Since the principles of ergonomics for the placement and layout of shelves are the same in all stores, the findings of the present study can be used in other stores.

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Section: Vlimentioning

confidence: 97%

Section: Vlimentioning

confidence: 99%