Constant

For the last while I have had somewhat constant pain in my lower back.  I don't think I have pulled a muscle or anything, I don't remember doing anything like that.  I just have pain.  I suspect it may have something to do with standing all day.  It may have something to do with getting older.  It might also have something to do with putting on a few pounds.  I have been doing a regular workout centered around the abs and strengthening the mid-section.  I wonder how that is effecting the battle.  In the long run I hope it is a good thing.  I am also working on shoulders and trying to battle some constant pain I seem to be experiencing in my right shoulder.  Oh my goodness, it's like I am falling apart.  I'm fixin to turn 40 and I am feeling it.