Have you tried seeing Dave Bowmaker? When I had this he did this weird suction cup technique which really helped. Along with lots and lots of foam rolling.
I swear by those cups! not sure how they would work right up where you are injured though....
Sorry wasn't clear. As well as treating the HHT locally (trigger points, needling) it's imperative to release tension in the hamstring muscle/fascia as well. Which is where the suction cups came in.
We have some cups if you want to borrow them :)
I've got some wine glasses if you want to borrow them
Been seeing Stuart .. will ask! Thanks for tips!