<P> Stiletto heel: 3,250 kPa (471 psi) </P> <P> Note: Pressures for Man and Horse are for standing still . A walking human will exert more than double his standing pressure . A galloping horse will exert up to 3.5 MPa (500 psi). The ground pressure for a pneumatic tire is roughly equal to its inflation pressure . </P>

When do we exert more pressure on the ground while standing or lying on the floor