PRESSURE SORES?

I never saw this one coming but I'm actually starting to develop pressure sores on my heels. They've been bothering me and getting worse for months. And lo and behold, as mobile and non bedridden as I am, I am developing pressure sores. My dad says it is from moving my wheelchair with my feet, causing "trauma" to my heels. The same thing happened to my friend Susan. An easy fix suggested by both is to elevate my calfs and dangle my feet while in the bed. And to think I thought I was crazy when it finally occurred to me yesterday that bed sores might be the problem. Well, as they say, when it rains it pours...