Product: Management and Development
Product: Management and Development
Original Article

Hand movement restriction at the opening of child-resistant packaging: case study

Gabriel Henrique Cruz Bonfim, Danilo Corrêa Silva, Ana Laura Alves, Giselle Schmidt Alves Diaz Merino, Fausto Orsi Medola, Luis Carlos Paschoarelli

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Child-Resistant Packages (CRPs) are very important to prevent children under five years old to access products that are hazardous to their health. However, the opening mechanisms end up hindering the use of such packages by adults, the elderly, and people with disabilities. The aim of this study was to analyze the influence of a movement-restriction glove by collecting the torque exerted in an attempt to open 3 different squeeze-and-turn CRPs. The study enrolled 10 subjects, divided equally between men and women. The subjects performed the task with and without the glove. The results showed that the moment of force when the subjects were wearing the glove was higher than that obtained without the use thereof. Besides, the cap with the largest diameter offered the best conditions for torque transmission.


design, ergonomics, child-resistant packaging, disability simulation.
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