I was Very, Very Brave and listened to the heart rate monitor, and tried to make it beep as slowly as possible. And that is all I am going to say because I managed to get through it without crying even though I was terrified, but if I talk about it now I will start crying.
Also, I know he hit the right spot in my spine because the nerve in my left leg that goes numb (which was the whole reason I got referred to the Pain Management clinic in the first place) REALLY started complaining. It went both numb and incredibly hot at the same time, which was a very bizarre sensation.
Apparently I should carry on taking the gabapentin for a while because I'm on a low dose of it, and I can go back to physiotherapy in a week or so. Well, it'll take more than a week to set up physiotherapy. But I am looking forward to being able to stand up for more than 3 minutes at a time.