Research on Long-Term Office Chair Comfort Based on Posture Transform

Chair comfort is an important design element of the modern life. in this study, a method based on the signal of posture transform was discussed to predicting subjective perceptions of long-term chair comfort. the signal of sEMG in the procedure of mutual transformation during six representative posture was recorded, then analysis of correlation between the change of subject comfort and the index of sEMG show that the long-term comfort of sit could be judged by posture transform. Result of this study will help chair manufacturers improve chair design in the comfort.