Abstract
In order to clarify the difference between a welfare-chair and usual-chair, the evaluation of to easiness seat chair and the measurement of the pressure distribution in seat for long-term were performed. Twenty young adult male subjects participated in this study, and kept sitting on each chair for thirty minutes. The measurement of easiness to seat was evaluated by SD scale that is divided to five levels by means of adjective. The distribution of seating pressure was measured by Force Sensitive Application Ver.3.1(Takano Co Ltd.) Easiness to seat and the distribution of seating pressure were confirmed different by the condition of seating position and the kind of seating chair.
