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MARCH 2007 • VOLUME 19 • © HORSES For LIFE™ Magazine
X-ray Bits the Story They Tell
The majority of x-rays that we get to see of the horse's head tend to be just that - just an x-ray of the horse's head, usually taken from the side. It is very rare to see an x-ray of the horse with a bit actually in their mouth. Which usually means that if a veterinarian wants to study exactly where the bit lies in the horse's mouth they are usually put in the position of taking their own x-rays - as they more than likely will not find them elsewhere. The McPhail chair under the guidance of Dr. Hilary Clayton, did some wonderful research work by taking videos of the bit in the horse's mouth using fluoroscopy. They would like to present a few here with permission and a thank you to Dr. Hilary Clayton. This first video is of the horse with his mouth resting partly open This video is of the horse moving his tongue. Almost always any video, even in these circumstances, taken of the horse for research purposes, is taken from the side. While we can see the activity of the time in relationship to the bit in these wonderful videos from the McPhail chair, we really cannot see the relationships size-wise of the bit to the lower and upper jaw of the horse. That would take a very special x-ray. That x-ray was finally taken as a special request
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