Originally Posted by farmpony84
For example, the Western pivot, in which the horse pivots on his inside hind leg, changes to turn on the haunches in dressage - through the rider's inside leg directing him to stay "forward" while his hind feet continue to step around throughout the turn.
Just know that there is one MAJOR fundamental difference between a western pivot and a turn on the haunches.
The pivot has the horse turning around one hind leg that is placed on the ground and DOES NOT move (other than swivel) as the other leg moves around it.
The turn on the haunches MUST have both legs move and the leg that is pivoted around MUST take a step while turning. It is a major fault to have that leg stay planted on the ground.
Just though I would clarify for those not knowing the difference.