A prime ingredient of impulsion is the time the horse spends in the air rather than on the ground; in other words, an added expression within the paces, always provided that there is a clear distinction between the collected trot and the Passage.

• 前进气势的一项重要成分是马匹在空中的时间比在地面的时间长，也就是说，给步伐增加的表现力使得缩短快步和正步明显不同。