I suffered with this for many years as a competitive squash player. I tried rest, injections, ice packs, pain killer, glucasamine and msm etc.. but in the end couldnt even hold a mug of tea, steering wheel or anything at all as my grip went totally. I am fortunate to have private health care, and they cut out a small superficial muscle on my lower forearm. I was in plaster for a week but then the result was amazing after that.