When the human body is in a zero gravity sitting position, the average pressure of the human body is 0.289N/cm2..At this point, the human body reaches its optimal comfort level:
The heart and legs are almost in a straight line, with minimal pressure.
The pressure on the backrest and seat cushion is relatively low, and the center of gravity is at the waist and hips.
Most muscles (waist/back/buttocks/thighs/calves) are more relaxed.