New here. Hi. I don't think I've posted before. Anyways, I'm double-jointed in my fingers. Namely, my left index, pinky, and ring finger, as well as my right pinky, but that's not bothering me. My teacher has recently introduced me to the concept of power chords. Yes, I am that much of a newb. He wants me to get used to the shape (I have rather small hands) and also get used to playing two strings (same fret) with one finger. In my electric guitar studies, I have also found this to be a problem when I attempt barre chords. My left ring finger, which I am using for these chords, has a tendency to lock up when I do this. Not only does this make things difficult to play, it can also be painful. Does anyone have any tips on helping this?