Rigging shft+ctrl+v does not flip animation properly This is the 0 and the 60th frame this pose.

If I copied everything (press a and ctrl+c) and then when I went to frame 30 and pressed shift+ctrl+v, then I get this.



Do you notice how the arm is not the same as the other arm on frame 0, why is this?
As I said it's a bone axis problem, so follow these steps to fix it: