Dear Kitt,

I do not know the technicalities of why weight affects NCS/EMG testing but that is what the last neuro told me at my most recent test a month ago. He told me that even some edema would alter the results. That was not the first time I was told that excess weight is problematic for the testing and I also read it somewhere within the last few months.

I will see if I can find the particulars for you and get back to you.