Well he is tied in for sure ( weak tendons, you can tell because his fore arm is more prominent than cannon bone and small and the tendons go in more that they should... hard to explain)
Even though in pics he is camped out he has the conformation of a camped under horse so I would look out for curbs, bog spavins, and spavins. Also check this video out, this way you can get him fit and build a topline ( he doesn't have on one but hey he is only 2) and get him balanced. YouTube - FREE Yoga for horses video
It works wonders!