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It forms the "forearm" of the horse along with the ulna. Ulna: caudal to the radius, it is fused to that bone in an adult horse. Shoulder joint (scapulohumeral joint): usually has an angle of 120-130 degrees when the horse is standing, which can extended to 145 degrees, and flexed to 80 degrees (such as when the horse is jumping an obstacle).
Points of a horse. Equine anatomy encompasses the gross and microscopic anatomy of horses, ponies and other equids, including donkeys, mules and zebras.While all anatomical features of equids are described in the same terms as for other animals by the International Committee on Veterinary Gross Anatomical Nomenclature in the book Nomina Anatomica Veterinaria, there are many horse-specific ...
Skeleton of the lower forelimb. Each forelimb of the horse runs from the scapula or shoulder blade to the third phalanx (coffin or pedal) bones. In between are the humerus (arm), radius (forearm), elbow joint, ulna (elbow), carpus (knee) bones and joint, large metacarpal (cannon), small metacarpal (splint), sesamoid, fetlock joint, first phalanx (long pastern), pastern joint, second phalanx ...
A horse harness is a device that connects a horse to a horse-drawn vehicle or another type of load to pull. There are two main designs of horse harness: (1) the breast collar or breaststrap, and (2) the full collar or collar-and-hames. For pulling heavy loads, a full collar is required because it distributes pressure over a larger area of the ...
An upright shoulder is best for gaited or park showing, parade horses, and activities requiring a quick burst of speed, like roping or Quarter Horse racing. Sloping shoulder. Laid-back or sloping shoulder. The horse has an oblique angle of shoulder (measured from the top of the withers to the point of shoulder) with the withers set well behind ...
Most horses have 18 thoracic vertebrae. The processes at the withers can be more than 30 centimetres (12 in) long. Since they do not move relative to the ground as the horse's head does, the withers are used as the measuring point for the height of a horse. Horses are sometimes measured in hands – one hand is 4 inches (10.2 cm). Horse heights ...
The height of the withers also varies and affects freedom of shoulder movement, length of stride, and is a major area of concern in proper saddle fitting. A horse's back and ribcage in cross section is often described as "deep" or "narrow" (sometimes "shallow"), depending on the width of the ribs and the depth of the heartgirth.
Reconstruction, left forefoot skeleton (third digit emphasized yellow) and longitudinal section of molars of selected prehistoric horses Skeletal evolution. The evolution of the horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, [1] forest-dwelling Eohippus into the ...