"Sit on your pockets like you got a million bucks in there." ~ Unknown
Technically it isn't correct to be sitting all the way on your back pockets. This can, however, be a good thing for a rider who has a tendency to lean too far forward to think about doing!
In the sport of Eventing, ensuring that our horses are truly fit for our level of competition is one of the best ways to prevent unnecessary injuries.
Horses become incapable of learning when they go past a certain level of fear, anxiety, or stress. This means that if you keep hammering away at the horse, trying to teach them something when they are currently overwhelmed with stress, it will not work.
For the horse, the learning happens on the release of the aid. That means if you don't release the aid, the horse will not learn.
"Don't take the tempo down without revving the engine." ~ Chris Bartle