Annals of occupational and environmental medicine · 2024
Video analysis of biomechanical risk factors for musculoskeletal disorders in loincloths female weavers Faso Dan Fani in Burkina Faso.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sawadogo Amidou, Nana Brigitte, Ouédraogo Brahima, Cissé Abdoul Rahamane
Аннотация
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.
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.