3D analysis of the biomechanical risk of potato cutting in kitchen auxiliaries

Authors

  • Myriam Quinayás Mera Universidad Libre
  • José Acero University at Carbondale
  • Lessby Gómez Universidad Libre
  • Libeth Olaya Grajales Universidad Libre

Keywords:

Biomechanical analysis, 3D analysis, MSD, cutting technique

Abstract

Objective: To evaluate the biomechanical risk associated with the task of cutting potatoes, implementing novel analysis tools that could replace current methods.

Methodology: The study was carried out in 7 kitchen assistants. In each one, reference marks were placed on the hand and forearm to follow their movements through high-speed filming while performing the potato cutting activity with three different knives. The movements were analyzed by collecting descriptive data from all phases of the technique and reconstructing the movements in 3D with computer tools.

Results: 16 phases of movement were identified, grouped into 3 cycles. The time interval to complete the movement was between 5 and 9 seconds, while the sagittal cut took between 0.5 and 0.9 seconds. Two of the knives required greater flexion-extension movement angles from the participants. Two of the volunteers performed the movement with greater speed consistently. The wrist was the place where the highest level of risk was identified.

Conclusions: The technological approaches used allowed to analyze in detail the movements and biomechanical risk associated with the potato cutting task. One of the knives (model # 3) allowed most subjects to keep the wrist within the comfort range.

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References

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Published

2013-09-01

Issue

Section

Scientific or technological research article

How to Cite

Quinayás Mera, M., Acero, J., Gómez, L., & Olaya Grajales, L. (2013). 3D analysis of the biomechanical risk of potato cutting in kitchen auxiliaries. Revista Colombiana De Salud Ocupacional, 3(3), 11-17. https://revistas.unilibre.edu.co/index.php/rc_salud_ocupa/article/view/4865

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