Thanks for all the helpful suggestions - I might investigate treeless saddles a bit more!
Originally Posted by its lbs not miles
No idea about your mounts previous behavior, amount of traing or riding, but bucking can be an indication of a sore back (or not
). I tend to look for reasons why when any of our horses didn't behave properly after we started riding them.
Unfortunately it's his fear reaction. He hated one part of the arena and got me off twice there. Wouldn't even run there when loose, but I eventually worked through it by getting him to follow me there (once I'd fixed him up on the ground - he has a fair few holes in his training) and stand there and get a scratch. Then he had no problem going there at all. Now he's out in the country he's less tense too (but unlimited feed...well, you can see the result!
I'm still planning to get a good masseuse out to see if there's any pain and, if so, probably a chiro as well. But he has no issues with posting or sitting trot or canter in either of the saddles I've ridden him in so I'd be quite surprised if it was that.