The population aged 60 or above is growing at a rate of about 3% per year. Knowledge of the relationship between hand dimensions and maximum torque can be used for future bottle cap designs to meet the needs of the elderly.Īround 962 million people were aged 60 and over across the world in 2017, which is about 13% of the global population. The correlation between hand dimensions (thumb width and index finger length) and maximum torque was highly correlated (r = 0.63 and r = 0.62, respectively). 80–89 years and the age group 70–79 years vs. A statistically significant difference was observed between the age group 60–69 years vs. However, no significant differences in hand dimensions were found between different age groups. Older men have been found to have larger hand dimensions than older women. SPSS software was used for all statistical analyses. A digital torque meter, digital caliper, and tissue tape were used to measure the maximum torque on a dummy bottle and hand dimensions. This study was conducted on 30 elderly people aged 60 and over. The study aims at obtaining normative data on the hand dimensions and the maximum torque that could be generated by elderly persons. Most elderly people have difficulty opening a new bottle cap due to the insufficient torque to be applied.
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