Hi, I'm new to this website, so I'm not sure if a thread like this has already been made... But I was wondering if someone could help me figure out what's wrong. Anytime I get into thumb position in the Dragonetti concerto, the highest joint of my index finger starts to hurt. It didn't used to, it just kind of locked (which also by the way, how do you get rid of that??) but now it hurts, not really badly, but it's just kind of bothersome. Can anything help with that?