Saddle Fit and Gullet/Channel Width - Tip #3

I have had many clients with saddles that at first glance look like they’re fitting really well, but when I turn them over, I see that the gullet width is awfully narrow. I’m talking maybe 1-2 fingers here! A saddle with a channel or gullet that is too narrow can cause permanent damage to your horse’s back (but also, if it’s too wide that’s not great either!) I will discuss how to determine if your saddle’s gullet is the correct width for your horse.

There is no such thing as “one size fits all” where the channel or gullet of your horse’s saddle is concerned. Instead, the width of each horse’s spine will determine how wide his saddle’s gullet must be.

To calculate how wide your horse’s spine is, do the following. Stand on your horse’s left side and place your hands on his spine in the area where his saddle will sit. Then, with the tips of your fingers, gently palpate downward towards the ground. You will first feel bone (the transverse processes of the lumbar vertebrae), then a slight rigidity (the supraspinal ligament), and finally, an area where there is a bit more give. This is his back muscle or longissimus dorsi. Mark the start of this muscle and then do the same thing on your horse’s right side. Next, take your right hand and make a bridge over your horse’s back from mark to mark. Put your left hand inside that “bridge.” The number of fingers you can get inside your bridged hand will determine how wide the gullet of this horse’s saddle must be.

It is very important that the width of the gullet be the same throughout the entire length of the saddle. Too often we see saddles with gullets that are the appropriate width at the front, but then get progressively narrow towards the back. The result is a saddle that has a 4-5 finger gullet under the pommel, but only 2-3 fingers at the cantle (or less). If you consider the anatomical structure of the horse’s back, this makes no sense. The horse’s spine and surrounding ligaments do not get narrower over the length of his saddle-support area. As a result, in order to ensure adequate spinal clearance all the way down, neither should the gullet of his saddle.

It is only infrequently that we find a saddle that is too wide through the gullet for a particular horse. But such a saddle will have inadequate weight-bearing surface, may start to strip muscle away from the top of the ribs, and the back of the tree may actually rest on the spine.

A much more common problem is a saddle with too narrow a gullet. This saddle will sit on the horse’s spine and/or ligaments. This is especially noticeable when the horse goes around a corner: if the horse is tracking to the left, you will see the saddle shift to the right, so that the left-side panel rests on the horse’s spine/ ligaments. This is something we must avoid at all costs. In the short-term, a saddle that sits on the horse’s spine/ ligaments will cause him to tighten his back muscles and hollow his back, producing exactly the opposite of the nice rounded back that we want to see, particularly in dressage. In the long-term, a saddle with too narrow a gullet will cause permanent, irreversible, and often career-ending injury or damage to the horse’s back. The most severe forms of such damage are spinal stenosis (compression and narrowing of the spinal canal) and spondylosis (degeneration of the vertebrae). I know you will not want to cause your horse such pain!

In the video below, I will demostrate the importance of the gullet width in preventing long term damage to your horse's back and ensure maximum freedom of movement.

Jochen Schleese, CMS, CSFT, CEE

Female Saddle Specialist

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Comment by Brenda on March 20, 2010 at 1:12pm
I would also like to know about fitting a western saddle and how it differs from an English saddle. I compete in endurance riding and saddle fit is my number one concern.
Comment by Jochen Schleese on March 19, 2010 at 12:32pm
I am always happy to see so much positive response to these saddle fit tips per email, phone, and comments on my blog. My blogs focus on broad-based principles which apply and appeal to many disciplines in general and specific rider concerns will be addressed in a personal saddle fit evaluation. Please email if you would like to set up an appointment at an upcoming saddle fit session in your area!
Comment by Faye Rose on March 15, 2010 at 5:30pm
Well done. Thank you. I too, would be interested in knowing more about the fit of western saddles, and the placement of the pressure point of the saddle, in reference to the movement of the scapula.(shoulder blade) there are a number of thoughts and I try to be kind and understanding when saddling. The more we know, the better our horses feel and the better performance they can give us.
Comment by Julie on March 15, 2010 at 3:44pm
Actually - watching again - where is the muscle behind that horses shoulders?? Saddle is too narrow for the horse!
Comment by Tracy Bezanson on March 15, 2010 at 3:21pm
Great clip on saddle fitting...what about western saddles?
Comment by Anke Johnson on March 15, 2010 at 3:17pm
Excellent advice! I'm going to look at the new saddle I just bought and really hope that the gullet is the right size! If not, back it goes to the professional who sold it to me:)
Comment by Anne Marie Turnbull on March 15, 2010 at 3:10pm
Chloe completed fourth round of double clear on Jet Brilliant in Foxhunter

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