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Decreased fetlock drop during the stance phase of the stride may be seen in cases of lameness, with the lamer leg producing less drop than the sound leg as the horse tries to relieve weight on the painful limb. [17] Decreased height to the stride (flight arc), or dragging of the toes, also indicates lameness, as the horse avoids bending its joints.
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 suspensory is strained because fetlock is unable to straighten as horse loads the limb with weight. The pasterns are weak and unable to stabilize fetlock drop, so the horse is predisposed to ankle injuries, especially in speed events where the sesamoids are under extreme pressure from the pull of the suspensory.
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]
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 ...
For competition purposes, depending on organizational rules and local tradition, may also be used for an adult horse of any breed of 14.2, 14.1, or 14 hands or less at the time of competition. [ 1 ] : 165 The FEI , which uses metric measurement, defines the official cutoff point at 148 centimetres (58.27 in) (just over 14.2 h) without shoes and ...
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.
For one style of rope hobbles, a brass ring may be attached to the double loops on one side of the knot to join the hobble for the horse's other front foot. On the other side, a diamond knot terminates the two loose ends and the single loop is placed over this to encircle the horse's fetlock. A small rope slide (melted with a solder iron) on ...