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Antagonist to brachiocephalicus. Supports the back, helps to pull the body of the horse forward when a limb is extended and placed on the ground, also helps to flex the scapulohumeral joint. Longissimus capitis: originates on the first 2 thoracic vertebrae and the cervical vertebrae. Inserts into the atlas.
Skeleton of a horse. The skeletal system of the horse has three major functions in the body. It protects vital organs, provides framework, and supports soft parts of the body. Horses typically have 205 bones. The pelvic limb typically contains 19 bones, while the thoracic limb contains 20 bones.
The horse's small intestine is 15 to 21 m (50 to 70 ft) long and holds 38 to 45 L (10 to 12 US gal). This is the major digestive organ, and where most nutrients are absorbed. [16] It has three parts, the duodenum, jejunum and ileum. The majority of digestion occurs in the duodenum while the majority of absorption occurs in the jejunum.
No legs, no horse" [20] and "no hoof, no horse" [26] are common sayings in the equine world. Individual horses may have structural defects, some of which lead to poor movement or lameness . Although certain defects and blemishes may not directly cause lameness, they can often put stress on other parts of the body, which can then cause lameness ...
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In the horse, 84%, 15%, and 3% of the total triceps muscle weight correspond to the long, lateral, and medial heads, respectively. [11] Many mammals, such as dogs, cattle, and pigs, have a fourth head, the accessory head. It lies between the lateral and medial heads. [3]
Predators hunting prey that is half their body weight or greater evolved shorter and more sturdy radii, ulnas, and humeri to decrease the likelihood of the bone breaking or fracturing while hunting. Predators hunting prey less than half their body weight tended to have longer and more slender forelimb long bones to improve energetic efficiency. [7]
Ideally, the length of a horse's back from the peak of the withers to the point of the hip should be 1/3 of the horse's overall body length (from the point of the shoulder to the point of the buttock, excluding head and neck). A horse's back is called "long" if the length exceeds 1/3 and "short" if less than 1/3.