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People’s sitting posture often transform, usually seat backrest is fixed, and the sitting posture regular formate the voids with wast, unable to has the effect of support to waist, the use of discomfort, and even affect people’s health.
Designing the chair backrest to the pattern of activity, can automatically adapt people’s different sitting posture to back position, it not only have the best supporting state to back, but also comfortable!
Wuhan University of Technology
Yongjun Chen Shupeng Wang Teng Zhang Liang Huang