Questions in The Neurology Forum are being answered by doctors from The Cleveland Clinic , consistently ranked one of the best hospitals in America. My answer was probably not very clear on this point. Yes, it is much more common to see lesions when patients come for the first time. The answer is no, and this is a good sign that your MRI was normal. Test results are of course important, but you have to remember that the signs observed by your doctor are also very important to formulate hypotheses regarding your diagnosis.
Spasticity is a very specific form of muscle stiffness.
Your doctor can tell you if you have spasticity or not. Spasticity is increased, but not created, by stress. You would have noticed if you had muscle spasms. Your description does not fit with spasticity, but it is always hard to tell from a written report. It is not a bad sign per se.