Chair of the present invention to hip sitter , thigh , has a shape adapted to the natural body contours of the upper leg , the chair of the present invention are : rear portion recessed seat is by connecting the lower part of the backrest the seat s area to form indentations adapted to the buttocks of the body contour , and hip in the center of the rear recessed of the seat , by a small central protrusion that fits in the sacrum and coccyx of the occupant is located but the seat portion is arranged recessed in the rear of the front part of the W shaped in the seat to conform to the body contours of the upper leg of the occupant , the backrest is adapted to the body contours of the back of the occupant as the backrest along the body contour shape of the spine of the sitter , is capable of height adjustment the backrest , is slightly greater than 90 degrees angle between the back and the upper leg of the occupant , are arranged in a position such that the near vertical angle , chair . [ Selection Figure ] Figure 1本発明の椅子は着席者の臀部、大腿、上脚の自然な身体輪郭形状に適合した形状であり、本発明の椅子は:座部の凹んだ後部が前記背もたれ部の下部に接続することによって前記着席者の臀部の身体輪郭形状に適合した凹み領域を形成し、前記座部の凹んだ後部の中心に、前記着席者の仙骨及び尾骨にフィットする小さな中心凸部が配置されることによって臀部が前記座部の凹んだ後部に配置され;前記座部のW形の前部は着席者の上脚の身体輪郭形状に適合し、背もたれ部は着席者の背部の身体輪郭形状に適合し;前記背もたれ部は前記着席者の脊椎の身体輪郭形状に沿うように、高さの調整が可能であり;前記背もたれ部は、前記着席者の背部と上脚との角度が90度よりも少し大きい、垂直に近い角度となるような位置で配置される、椅子。【選択図】 図1
