On Mon, 25 Jan 2016 23:18:45 -0400, Joy Beeson
wrote:

. . . and wondering whether I could find out the name of the
chronically-sore body part a little to the left of my spine, not too
far from the top of the coccyx,

Thanks to what I call The Easter Incident, I now know that that is the
sacroiliac joint.

There are some things I don't mind knowing, but regret having learned.

--
Joy Beeson
joy beeson at comcast dot net