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The pastern is a part of the leg of a horse between the fetlock and the top of the hoof.It incorporates the long pastern bone (proximal phalanx) and the short pastern bone (middle phalanx), which are held together by two sets of paired ligaments to form the pastern joint (proximal interphalangeal joint).
The horse's pasterns have darker hair than the rest of the horse's coat. The horse at rest stands with its weight unnaturally shifted to its hind legs, sometimes described as "standing in a bucket". The horse carries its hocks low and may twist them outward when moving. The horse lies down for extended periods of time, and is resistant to ...
Osselet is arthritis in the fetlock joint of a horse, caused by trauma. [1] Osselets usually occur in the front legs of the horse, because there is more strain and concussion on the fetlock there than in the hind legs. The arthritis will occur at the joint between the cannon bone and large pastern bone, at the front of the fetlock.
The front and hind hooves are identical in the foal but differ visibly in the adult horse. This is good evidence of the medium-term plasticity of the whole hoof shape, as a result of variation in its use. Slow changes in hoof shape occur under any consistent change in the horse's movement pattern and under a wide variety of pathological conditions.
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 ...
Certain conformational defects may contribute to navicular syndrome, especially defects that promote concussion. These include upright pasterns, small feet, narrow and upright feet, significant downhill build (commonly seen in American Quarter Horses), and long toes with low heels (commonly seen in Thoroughbreds).
Leg markings. Top row, L-R: Stocking, Sock or Boot, Fetlock or Sock. Bottom row, L-R: Pastern, Coronet, Partial Pastern. Leg markings are usually described by the highest point of the horse's leg that is covered by white. As a general rule, the horse's hoof beneath a white marking at the coronary line will also be light-colored ("white"). If a ...
Bell boots or overreach boots are bell-shaped boots which encircle the horse's pastern and drape over the hoof. They help protect the back of the pastern and the heel bulbs from being injured from strikes by the toe of the hind hoof (overreaching), striking the rear of the hoof bottom (forging), and stepping on the edge of the shoe with the adjacent hoof potentially pulling it loose.