Originally Posted by BarrelRacingLvr
It is very hard on the hocks because of the angle in which the horses leg goes forward. So a lot of strain on the hocks which will more then likely cause hock problems in the future. It also will reduce the horses stride because of the way the leg is set.
So camped under will come back and cause problems down the road.
Agreed. It is also undesirable in jumping horses or any form of racing because the horse cannot get the full flexion of its legs and in the long run it may cause hock and muscle damage if worked too much.
If they're being used for just pleasure riding it's typically not an issue