座位姿勢に適合した胴部原型の設計 : 立位姿勢と座位姿勢の体表面展開図の比較

Abstract

There is a need for a pattern of clothing that fits the body of people in a sitting position like a wheelchair user or the elderly. In this study, the difference between the body surface development of the standing position and the sitting position was clarified for providing the basis of garment design. Twenty-nine young women were measured under the following three conditions: standing normal position, natural sitting position, sitting position with rounded back. The 3D data was converted to a virtual body, and the body surface development of the trunk was obtained by a software called LookStailorX. The shape of the developments was quantitatively expressed by the coordinate values of the apex, length and angle. As the result, significant differences were seen between sitting position with rounded back and standing position. Furthermore, the average shape of the torso surface development was significantly different, so it is difficult to adjust the basic pattern to the torso in the round sitting position. For example, the back width, the length from the cervical point to bust line level were longer than that in standing position, and the chest width and front length were shorter. For sitting position with rounded back, the waist darts of the back body are 3.2° more, the frontshoulder slope is 6.4° more and the back-shoulder slope is 7.5° less than that for the standing position. Therefore, it is necessary to design a pattern taking into consideration the differences as described above.