I think I know what you're talking about. Whenever I get up...whether it's from sleeping or just from sitting in a chair....I have to stand there for a minute and sort of readjust my legs before I can start moving. It feels sort of like I need to stretch them before walking. That's about the only way I can describe it. I'm sure it comes from spasticity......it's especially bad after I've slept for a while. If I do attempt to walk to quickly without stretching out I look like I'm doing the zombie walk!