Originally Posted by ponyboy

Hi, MoonAngel...
Whether or not you're an oddball may be subject to conjecture, but the grinding sound or feeling (sort of like a rusty hinge or gravel under your shoes) is real. That phenomenon is called "crepitation." Surprisingly, it's caused by bones rubbing against bones where the cartilage is either worn away or simply worn thin. You might ask your doctor if he's familiar with the phenomenon...