Actually, I suffer from spasticity in my legs. I stiffen up when I stand still...when I walk, things loosen up a bit & feel better...kind of like the Tin Man after getting some oil in his joints

Let us know how the lumbar puncture turns out. Don't forget to hydrate before the test, and lie down the rest of the day afterwards. Also drink lots of caffeinated drinks-I used Monster drinks. Helps keep the post-puncture headache away.