In any case on position, it is always important to make a saddle fitting that your workshop propose. This is a very famous and rather popular concept that a try of fitting saddles to your horse. Only a professional can coach you on this.
The omission of the riders
You would not use a pony-sized bridle for a Shire? It is the same thing for the saddles. How to believe that a saddle that goes very well to a purebred Arab could also go very well to a Mérens? It's not really cool. The saddle fitting tries to have the best saddle possible for the back of the horse and the buttocks of the rider. His job is to help the riders cope with their lack of horse equipment. And it works for all the equations disciplines. The truth is that some horses are complicated to saddle. A very flat withers, a very wide back and the saddle back, or conversely a tourniquet very high with a roof-shaped back and there no saddle goes without touching the withers. Then after, the rider is in trouble to equip his horse. It is then important to check if this current used english saddles for sale is suitable for your horse.
The best advice for the best saddle
These sales people are supposed to know the range of their brand in order to advise you at best. The saddlers have trained salespeople who move around the stables to take measurements of your horse, make you try this or that model depending on your project. They must be trained to take all the necessary measures, whether on you or on the horse, in order to realize in the workshop a really customized saddle. Among the recognized and loved big brands of riders, some have workshops, and it is such a bid advantage to you. In anyway, you are still well placed to judge your comfort and the reaction of your horse to work.
At last, remember that that back of your horse change with his age and his years of works, and surely this saddle will not be adapted after one year.