Research on body pressure distribution of office chair with different BMI

Abstract

The office chair is one of the most important sittings in the office, life and learning process. When people use uncomfortable office chairs, it can have a negative impact on people’s work efficiency and health. The body pressure distribution of the office chair is one of the most common objective measures index of office chair comfort. Therefore, in order to improve the comfort of the office chair, it is necessary to study the differences in the pressure distribution and the differences in comfort evaluation of people with different BMI. The Pliance pressure test system was used to collect the seat pressure and contact area of 18 subjects with different BMI, and a subjective score for office chair of each subject was recorded. Through difference analysis, we found that the mean pressure and mean contact area of subjects with different BMI were significantly different (P < 0.05) and positive correlation were found for mean pressure and BMI, for mean contact area and BMI. But no correlation were found for BMI and subjective comfort scores (p > 0.05). According to the experimental data, the pressure distribution diagram was drawn, the pressure distribution characteristics of subjects with different BMI were summarized.