Hello Cindy. I am so very sorry you find yourself here and for your diagnosis. To answer your question: If an EMG is done by a qualified neuro, then it is very accurate. To answer your other question: if someone has an MND, then subsequent findings of the EMG will not indicate improvement. There are certainly conditions where improvement is seen and the EMG would indicate that . . . but again . . . MND is not one of those conditions. Please take care and feel free to write when you feel the need.