Hiya,
I found somethng called the MASES and MEI these are indexs used in Europe for the assessment of AS, it's a number but not all the sites for AS specific enthesitis the inflammation of insertion points.
Check out the ribs and sternum, go proding carefully you get the right bit you make it worse, in about an hour so.....LOL
I've attatched a file,
David
I
