Information about Withers
- Wither redirects here. For the comic character, see Wither (comics).
- For the family name, see Withers (surname).
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The location of the withers on a horse.
Horses
They are made up by the dorsal spinal processes of the first 5 to 9 thoracic vertebrae (every horse has 18 thoracic vertebrae), which are unusually long in this area. The processes of the withers are less than 6" in height on the average horse. Since they do not move relative to the ground (as does the horse's head), the height of a horse is measured from the ground to the withers. Horse sizes are extremely variable, from small pony breeds to large draft breeds. The height of the withers on an average Thoroughbred is 16 hands (5' 4").Conformational issues
The withers of the horse are considered in evaluating conformation. Generally, a horse should have well-defined withers, as they are considered an important attachment point for the muscles of the torso. Withers of medium height are preferred, as high withers make it difficult to fit a saddle and are often associated with a narrow chest, and low withers (known as "mutton withers") do not provide a ridge to help keep the saddle in place.More importantly, the dorsal spinal processes provide an attachment for the muscles that support the shoulder. Horses do not have a clavicle, so the shoulder can freely rotate backwards. If the vertebrae of the withers are long (front to back), the shoulder is more free to move backwards. This allows for an increase of stride length (and so it can increase the horse's speed). It is also important in jumping, as the shoulder must rotate back for the horse to make his forearm more parallel to the ground, which will then raise the animal's knees upward and get the lower legs out of the way. Therefore, the withers have a direct impact on one of the most important points of conformation: the shoulder.
Dogs
In dogs, the height of the withers is often used to determine the dog's jump height in various dog sports. It is also often a determining factor in whether the dog conforms to the show-quality standards for its breed.Medical problems
Inflammation of the bursa in this region is called fistulous withers by veterinary surgeons. Wither (Kevin Ford) is a fictional character, a mutant in the Marvel Universe, a member of the student body at the Xavier Institute, and a member of the Hellions squad therein.
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Withers (earlier variants Wither, Wyther) is an English surname of Anglo-Saxon origin.
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History
The family name appears on various early documents such as in a charter of Æthelred II, dated 1005 A.D...... Click the link for more information.
scapula, or shoulder blade, is the bone that connects the humerus (arm bone) with the clavicle (collar bone).
The scapula forms the posterior part of the shoulder girdle. In humans, it is a flat bone, roughly triangular in shape.
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The scapula forms the posterior part of the shoulder girdle. In humans, it is a flat bone, roughly triangular in shape.
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The thoracic vertebrae compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae. They are intermediate in size between those of the cervical and lumbar regions; they increase in size as one proceeds down the spine, the upper
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Thoroughbred is a horse breed best known as a race horse. While carefully bred racehorses had existed throughout Europe for centuries prior to this time, the breed as it is known today developed during the 17th century in England when English mares began to be bred to imported
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hand (or handbreadth) is a unit of length measurement, usually based on the breadth of a male human hand and thus around 4 inches long (about 10 cm). When used to measure height, it is abbreviated "h" (for "hands") or "hh" (standing for "hands high")[1]
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- Collarbone and collar bone redirect here. The eye abnormality is correctly spelled coloboma.
- This article uses some professional terms to describe relative positions and directions.
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Horse conformation refers to the correctness of a horse's bone structure, musculature, and its body proportions in relation to each other. Undesirable conformation in a horse can limit its ability to perform a specific task.
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Dog sports are activities that involve dogs.
There is much discussion about what exactly defines a sport for dogs. Some issues:
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There is much discussion about what exactly defines a sport for dogs. Some issues:
- If a human companion is not actively involved, is it actually a sport? Take greyhound racing, for example, or hunting from, say, a duck
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A breed standard (also called bench standard) in animal fancy and animal husbandry is a set of guidelines which is used to insure that the animals produced by a breeding facility conform to the specifics of the breed.
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A bursa (plural bursae or bursas; Latin: Bursa synovialis) is a small fluid-filled sac located at the point where a muscle or tendon slides across bone. Bursae serve to reduce friction between the two moving surfaces.
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