Yeah, and a heel surface area of 32.3 +/- 4.4 cm^2. There are shoes with heel surface area of sub 1cm^2. I don't think the study invalidates parents claim, if

Yeah, and a heel surface area of 32.3 +/- 4.4 cm^2. There are shoes with heel surface area of sub 1cm^2. I don't think the study invalidates parents claim, if anything it more it less supports it.