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Horses use a group of ligaments, tendons and muscles known as the stay apparatus to "lock" major joints in the limbs, allowing them to remain standing while relaxed or asleep. The lower part of the stay apparatus consists of the suspensory apparatus, which is the same in both sets of limbs, while the upper portion differs between the fore and ...
Inter-sesamoidean ligament: supporting ligament cconnecting the two sesamoid bones. Distal sesamoidean ligaments: run from the sesamoid bones to the two pastern bones. Important in the stay apparatus as a functional continuation of the suspensory ligament. Impar ligament: runs between the navicular bone and the 3rd phalanx.
A suspensory ligament is a ligament that supports a body part, especially an organ.. Types include: Suspensory ligament of axilla, also known as Gerdy's ligament; Cooper's ligaments, also known as the suspensory ligaments of Cooper or Suspensory ligaments of breast
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]
Below the knee/hock, the tendon is superficial to the suspensory ligament, but deep to the SDFT. Fairly commonly injured by horses doing fast work, the DDFT is round in cross section. Superficial digital flexor : Runs down the back of the leg, behind the carpus and cannon, branches below the fetlock and inserts into the distal side of the 1st ...
Joints should be palpated for pain, effusion of joint pouches, thickening of the joint capsule, and checked for range of motion. Major ligaments and tendons, such as the superficial and deep digital flexor tendons, inferior check ligament, suspensory ligament, and distal sesamoidean ligaments, should also be palpated along their entire length.
The size and position of this bony lump determine whether a splint is likely to cause long-term lameness. The lump can interfere with the knee joint or the suspensory ligament, which runs down the back of the cannon bone. [50] Splints force 7% of racehorses to retire. [47] Luxations are joint dislocations and account for 8% of fatal injuries.
Degenerative suspensory ligament desmitis, commonly called DSLD, also known as equine systemic proteoglycan accumulation (ESPA), is a systemic disease of the connective tissue of the horse and other equines. It is a disorder akin to Ehlers–Danlos syndrome being researched in multiple horse breeds.