Is this related?

[carlhungis]

I have been working on developing my energy for the last week.  Last night I was laying down, relaxing, and trying to get the energy into my sub-naval center.

Now lately, I have really been unable to get it above my thighs but last night I had it all the way up to my hips.  I still didn't feel like it was filling up the sub naval though. 

I worked on this for about 1/2 hour and when I was done I had a stabbing kind of pain in my lower back.  It has not gone away yet.  I am pretty new to all of this and I assume that these are unrelated but I figured I would check with the experts.