I'm having a 16hh 5yo Trekhena x Oldenburg vetted today I only have one concern and that is that he is very very long backed. I didn't notice it untill I saw the video of me riding him there is alot behind the saddle, he is underweight so that probibly makes him look longer as he isn't round at the moment. I'm 5'3" so quite short although I do have long legs for my height I looked ok on him but obviously he still has some growing to do. How big to you think he'll grow to and do you think the length of his back will cause any problems? Also do you think he gets it from tha oldenburg side or trekhena? I've looked up on both breeds and it seems as though its more trekhena as oldenburgs are the larger boned heavier warmblood. Any info would be a great help. Ta xx