Swale posts here now and then. He runs an HRT (Hormone Replacement Therapy) Clinic. He might be able to give you more of the insight on what your looking for. As the reason you probably haven't gotten many responses, cause it's a general Question. Along with most here being more experienced and the fact that its something that also seems self governing. Not that it's bad or anything, just not as informed. GH does help build and repair muscle. Chances are it will also help rejuvenate the tendon problem also. I know there are also some good books out there that have ALOT of info in them.