 In extreme cases, however, it may be best for a horse to refuse rather than jump a fence which he cannot clear, as he might land on the fence, fall on landing, or flip over.There are several reasons for refusals, and therefore a rider must try to identify the problem before reprimanding the horse for his disobedience.Rider-based reasons

Physical problems

If a horse has begun to refuse frequently when before it was willing, a veterinary exam can be performed to rule out pain.