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Equine Anatomy - spinal column and saddle fit
We went from one end to the other of the spinal column, discussing the differences in the vertebrae as the spine leaves the neck to start the withers (thoracic), along the loins (lumbar), then turning into the fused column of the sacral vertebrae, then finally into the tailbone (caudal).
It was neat to see how the different bones have their specific functions, the main one, of course, being to protect the spinal cord which shrinks in size as it gets farther and farther from the brain (which explains why the vertebrae get smaller as they get farther back).
From that, we went into the fit of the saddle to the horse. Dawn brought a couple of saddle trees and showed us how to determine if the tree was crooked by comparing from one side to the other - sounds simple but to the untrained eye the differences can be hard to see! We took these saddle trees outside and tried them on a couple of equine models (thanks Sherry!) to demonstrate areas to check for fit.
It was reallly interesting seeing how a tree sits on the horse's back, and how the bars are supposed to to evenly distribute the weight in the saddle across the whole back.
Many saddles end up digging into the sides of the withers, preventing the shoulder blade from moving freely underneath it, or it may end up 'bridging' which is the term given when the front and the back of the tree make contact but the center doesn't. Proper saddle fit is a whole lot more complex than just checking under the withers for two fingers!
Dawn showed us how to check for straightness of the saddle and then how to fit it to our horse. In case of a balanced saddle that was a close fit, she told us how we could use underlay to help create a better fit - in today's world buying a new saddle isn?t always an option.
While just briefly mentioning this may be confusing, you can talk to people involved in saddle fitting like Dawn, or Andi (who is often on Horse Talk ), for more detailed information, specific to you and your horse.
You might want to spend some time this spring checking your saddle(s) and horse(s) for correct fit. Sometimes an irritable horse may actually be reacting to poor fit - if he hurts, he can't perform as well.
Another caution is that a horse's shape will change through the year. In the spring, his belly may be a bit larger and his back less muscled, but as he gets fitter, his shape will change. I know that my saddle fits Raime until late summer - by then he is so fit, the saddle doesn't fit him as well and slides back. It also tends to make him a bit tender on the loins in the late summer, again, just due to his shape changing. Like I said before, correct fit is a lot more complicated than just checking the withers clearance!
Andi is hoping to do a series on saddle fit for us, and she will be able to go far more in depth here than I did. Having more details will make it easier for you to understand the actual mechanics of it. Also, any time you can get into a hands on course on anatomy or saddle fitting, go for it - you'll be amazed at what you learn!
If you have tips or questions you'd like to share with other local equestrians, please mail them to kristi@hiway16.com |