Stable problem - box walking

Walking up and down in a stable is what we call a stable problem. I rather call it a problem of having a wrong stable, wrong place for this horse. I was wondering for while why I could hear his legs when he moved, and this is the answer. A horse like this with a nervous character will not become very old because he damages his bones. A few minutes later: This behavior is continues, unless the horse is eating and comes out of frustration of the hor