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?

• 如何能说快步或跑步的跳跃障碍不能促进一匹马更好的完成盛装舞步或其他马术运动，或者改善一匹被惯坏的马？