capriole

(dressage) a vertical jump of a trained horse with a kick of the hind legs at the top of the jump

a playful leap or hop

A leap that a horse makes with all fours, upwards only, without advancing, but with a kick or jerk of the hind legs when at the height of the leap.

perform a capriole, of horses in dressage

perform a capriole, in ballet

To perform a capriole.