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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.
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). The pastern joint (proximal interphalangeal joint) is located between the long pastern bone and the short pastern bone (middle ...
Impar ligament: runs between the navicular bone and the 3rd phalanx. Annular ligament: goes around the back of the fetlock, surrounding the flexor tendons and their tendon sheath, attaching to the sesamoid bones. It helps to support the fetlock, and provides an enclosed "pulley" for the flexor tendons to run through.
Osselets: swelling on the front surface of the fetlock joints of the front legs, caused by traumatic arthritis of the fetlock joints. [65] Ringbone: boney proliferation around the pastern. May be articular (osteoarthritis) or non-articular. The articular forms can affect the pastern or coffin joints, and can cause lameness.
Cannon or cannon bone: the area between the knee or hock and the fetlock joint, sometimes called the "shin" of the horse, though technically it is the third metacarpal;
Behind the cannon bone are the splint bones. The splint bones are also known as the 2nd and 4th metacarpal and regressed 25 - 35 million years ago during the time of the Miohippus. Below the cannon bone is the fetlock joint in which lays a structure of many bones.
References A ace Slang for the drug acepromazine or acetyl promazine (trade names Atravet or Acezine), which is a sedative : 3 commonly used on horses during veterinary treatment, but also illegal in the show ring. Also abbreviated ACP. action The way a horse elevates its legs, knees, hock, and feet. : 3 Also includes how the horse uses its shoulder, humerus, elbow, and stifle; most often used ...
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.