Join Date: Nov 2008
Location: foothills of Virginia
I know you said the saddle fits, but it still sounds to be an equiptment issue, and it may have other reasons other than her being a monsterbrat. I would get her saddle fitted (I have become a HUGE advocate of that of late) and if you round pen, you could work with her on her canter without getting bucked off.
Also, if she is ear pinning that isn't a sign she is tired, it is a sign she is either in pain, or irrated, but that isn't a sign of tired. If there is no OTHER behavior issue with the horse, and she moves out in a trot for you ok, then it may be a pain issue, and not from the saddle. Some horses need the chiropractor thing, I have seen that work with some horses with riding issues.
Do you ever lunge or round pen her and get her to canter from the ground on command? I try to conquer most problems from the ground, I am too old to be getting bucked off.
Do you warm her up before you ride? Have you done any cavaletti with her to help you both work on spacing?
Know thyself, know thy horse.