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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 ...
Frontal bone: creates the forehead of the horse; Parietal bones: extend from the forehead to the back of the skull; Occipital bone: forms the joint between the skull and the first vertebrae of the neck (the atlas) Temporal bones: contain the eternal acoustic meatus, which transmits sound from the ear to the cochlea (eardrum)
The bones and joints of the equine forelimb distal to the wrist (or carpus): The fetlock (metacarpophalangeal joint) is located between the cannon bone (third metacarpal) and the long pastern bone (proximal phalanx).
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 ...
While the fetlock is sometimes colloquially referred to as an "ankle", even by horse experts, that terminology is misleading. The ankle joint in humans corresponds to the hock of horses. The fetlock is a metacarpo- or metatarsophalangeal joint which corresponds to the human upper knuckle , such as that on the ball of the foot .
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A draft horse sleeping while standing up. The stay apparatus is an arrangement of muscles, tendons, and ligaments that work together so that an animal can remain standing with virtually no muscular effort. [1] It is best known as the mechanism by which horses can enter a light sleep while still standing up. [2]
The domestic horse is almost alone among extant equines in having chestnuts on the hind legs. [5] Chestnuts are absent from the hind legs of asses and zebras. [6] The majority of domestic horses have chestnuts on all four legs, as does the Przewalski's horse, [6] but a few horse breeds are reported to lack chestnuts on the hind legs. [6] These ...