[ABC Coach]

I have another rules question for anyone who can help. During the game, a player continually uses a spin move to blow by opponents. The spin move in and of itself is legal, but many times when he makes this move, he accidentally (at least I think it's accidentally) steps on the defender's foot, causing the defender to stumble for just a moment. Is this a foul?

Thanks for all advice..you folks have been a lot of help.