Annals of Occupational and Environmental Medicine

Original Article

Video analysis of biomechanical risk factors for musculoskeletal disorders in loincloths female weavers Faso Dan Fani in Burkina Faso: Amidou Sawadogo, Brigitte Nana, Brahima Ouédraogo, Abdoul Rahamane Cissé; Ann Occup Environ Med 2024;36:e29. Published online December 20, 2024; DOI: https://doi.org/10.35371/aoem.2024.36.e29

Abstract PDF PubReader ePub: Background
The purpose of this study is to describe the kinematic characteristics of manual weaving related to the biomechanical risk factors for musculoskeletal disorders.
Methods
Twelve professional female weavers participated in this study. The video recording of their workstations was performed perpendicularly in the sagittal and transverse planes in a synchronized manner, at about 2.45 m and for 5 minutes. The videos were then analyzed using the Kinove software. Statistical processing by the statistical SPSS 22 software.
Results
The results identified a succession of cycles, each with two important phases called the “interlacing” phase and the “winding/adjustment” phase. The average cycle time is 127.9 ± 11.7 seconds. The “interlacing” phase is the longest and concerns an average 80% of the cycle time or 103.5 ± 35.9 seconds. The segmental movements are mainly flexion-extension type with angular variations constantly above the acceptable limits. It is the same for the repetitiveness of the movements which solicit the upper limb and the trunk particularly.
Conclusions
These results recommend one of the actions to prevent musculoskeletal disorders including instructions on postures and frequencies of weaving movements as well as physical exercises adapted to the physical needs of practitioners.

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Case Report

Design and Evaluation of Ergonomic Interventions for the Prevention of Musculoskeletal Disorders in India: Somnath Gangopadhyay, Samrat Dev; Ann Occup Environ Med 2014;26:18. Published online July 1, 2014; DOI: https://doi.org/10.1186/2052-4374-26-18

Abstract PDF PubReader ePub

Background

Improper workstation, work procedures and tools are found to be the risk factors for the development of musculoskeletal disorders among the informal sector workers of the developing countries. Low cost ergonomic interventions can effectively improve such adverse conditions.

Case presentation

In the present article some studies related to design interventions in different informal and agricultural sectors were discussed and their efficacies were analyzed. It was observed that with the help of appropriate interventions musculoskeletal disorders were reduced, adverse physiological conditions were improved when awkward postures were corrected and ultimately the organisational productivity was increased.

Conclusion

Proper implementation of ergonomic interventions can ultimately improve the economy of the nation.

Citations

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