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The dislocation caused destruction of all of the supporting ligaments to the back of the fetlock and pastern joint, making the ankle unstable and requiring surgery. [4] Three days after the catastrophic injury Larry Bramlage, DVM, of Rood and Riddle performed a fetlock anthrodesis, fusing the bones to eliminate the fetlock joint.
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).
Fetlock joint: the joint between the cannon bone and the pastern. Fetlock is the common name in horses, large animals, and sometimes dogs for the metacarpophalangeal and metatarsophalangeal joints (MCPJ and MTPJ). Although it somewhat resembles the human ankle in appearance, the joint is homologous to the ball of the foot.
[13] Roughly 50% of catastrophic breakdowns involve the fetlock joint, which connects the pastern and cannon bone. When a hoof strikes a racing surface, there is some slide, which helps reduce impact forces in excess of 10,000 Newtons but increases the risk of hyperextension of the joint.
Rare twin colts born unexpectedly at Colorado horse rescue. WPIX New York City, NY. Spencer Kristensen. September 28, 2024 at 11:03 AM.
Fetlock luxations account for 91% of all fatal luxation injuries. Due to the construction of the fetlock joint, luxation will result in either a complete rupture of the flexor tendons and suspensory ligament or a lateral disarticulation. The joint capsule may also be completely ruptured and the articular portion of the bones exposed to view. [51]
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.
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