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Height and Mobility


The comfort of an employee at workplace greatly influences their productivity and health. The height and mobility of a sitting device has a great influence on this comfort. Working platforms in offices tend to be of the same height yet people are not of the same height. As a result, some people find it uncomfortable to work in these settings. Moreover, workplace environments encourage long periods of sitting that decreases glucose production and increase insulin production, which increases risk of diabetes [6,7,8]. Being able to adjust the height and mobility of the Ergonomic Sitting Device would improve on a person’s energy because by incorporating more movement, you can decrease sitting fatigue and have more energy [6,7,8]. This increases their comfort and improves their sitting position so that their health is not adversely affected.

Height and Mobility

4- Relevant Codes: (NASSER)



There are certain safety requirements specified by the Canadian Standards Association (CSA) that the product must meet to provide sitting comfort. According to the CSA Standard Z412-17 relating to office ergonomics, the device should cater for multiple sitting positions, all of which permit the body to remain in a neutral posture [15]. This will in turn allow the person using it to sit in a balanced position irrespective of the work being done. This standard refers to this position as neutral posture. Moreover, the application of this standard in workstation ergonomics requires that the device support variations in siting such as backward and forward tilting or reclining to minimize the effects of sitting for a long time in one posture. Therefore, the device should allow the user to switch or adjust from one position to the other.


There is also one known patent that has been brought to the group’s attention through the client: patent US4328991A. According to the patent, the device uses a sort of inflatable components in the pivot area for angle range and mobility. The US patent pending US4328991A includes an upper and lower plate component surface, as well as a pivot area in addition to a fulcrum centered on the bottom surface. This fulcrum must not have any inflatable components, which would infringe upon the pre-existing patent.




Mengshoel, H. C., & Opsvik, P. (1982). U.S. Patent No. 4,328,991. Washington, DC: U.S. Patent and Trademark Office.