. The pressure on your feet when you're standing on both feet. . The pressure on your foot when you're standing on one foot only. . The pressure on the ball of your foot if you're standing on tip-toe (or wearing high-heeled shoes) on one foot. . The pressure on your lower thigh if you are wearing a leg prosthesis and are putting all of your weight on that prosthesis. You can assume for this part that your leg shape is circular the area is then Area = (circumferenee)2 I 12.6