I have daily pain all over my body, and have learned that I must slow down everything a little. I mean, I CAN move quicker, but it causes pain. So, I just pace myself.
The same issue is true with my hands, wrists, fingers, arms, and shoulders. I knit every day, and sometimes switch to crochet. (I am an organist and pianist as well.) The only way I can keep it up is because I take it SLOW. I COULD knit faster, but I will pay the price later. So, just like I said before, I pace myself.
I knit in the English style, because Continental knitting is too painful for me. (The pain is worse on my left side.) I just make smooth motions, and don't hold the yarn too tight. I have to remind myself to slow down, and let the yarn flow. And switching to different projects keeps me from using exactly the same muscles all the time.
Everyone is different. So, as others said before, just try different methods. I've heard that Portugese knitting is good for knitters with pain. Good luck with your pain issues!