And then we study the comfort physiology gesture when the aged is sitting in wheelchair.Comfort cushion and backrest surface is discussed by pressure distributing and human spine characteristic.

• 然后研究了老年人坐姿状态下的舒适性生理特征，并根据舒适坐姿体压分布和脊柱的结构特点，研究舒适性坐垫和靠背曲面设计方法。