from my experience in having this done three seperate times on pretty much the same areas over a period of years,the most painful one was the last one done about a month ago. i found out that the areas where you have atrophy really are the most painful.this last test was far more painful than the first two,but this one i have ALOT of muscle atrpohy from spinal cord damage that was not as apparent before with the others.but overall,the first two had some painful moments but were not at all really intolerable.i am sure you will do fine.let us know how things go,K? good luck,Marcia