Yes depending on the severity a well muscle hind end will make it almost not noticeable at all. Good strong balanced hind is mandatory in all on the equine disciplines especially over fence. Trot poles and more trot poles. Work towards raised trot pole patterns. Backing up in hand the full length of arena before you start your ride helps unlock the hind as they are forced to engage hind to back up. This not only help build hind muscle but it gives you a much more productive ride sooner because you have already released their hind by backing up. Hill work is great too and I don't mean just galloping fields. Find a steeper hill and go slow and controlled up and down the hill.