I've been paying bass for almost a year now, and since the start have had pain problems. I am 19, so it's not arthritis.
The worst problem is probably the shoulder - it is a sharp, tingling pain right on the ball. I'm aware it might be due to bad form as it happens most when I play with a pick, but no matter what I do, it comes back every time.
As for the finger, it's quite a large hard bump on the inside of the knuckle of my index finger. I'm aware i got it originally from repeatedly having the area pressed against the neck while playing, but now that I've changed my technique, it's still there - and sore.
Sorry to depress people with my first post, but I'm feeling pretty helpless about these things (people telling me it'll go away if I lay off/nothing to worry about and such).
Thanks