Bucking horse when being led in & out
I have a 4, nearly 5 year old TB. He is my first horse and I love him to bits. However, he has this habit of bucking occasionally when we lead him in from the paddock or out to he paddock. Don't get me wrong, I don't think it is nasty, just excitement but he is 16.2hh and can sometimes knock you off balance. Also I fret because it is a busy yard and I wouldn't want him to kick someone accidentally.
He has a control halter but it doesn't make much difference. He gets a stern 'NO' when he does it then we make him stand before moving off again but I wondered if anyone has any ideas to help?
He isn't ridden atm as I'm saving for a new made to measure saddle for him & he not work in the round pen if it's boggy (which it has been with the recent weather).