How can it be said that trotting over cavalletti and small fences and canter over small obstacles and combinations would not improve a horse for dressage or equitation-or to correct a spoiled horse?

如能说快步跑步的跳跃障碍不能促进匹马更好的完成盛装舞步其他马术，者改善匹被惯坏的马？