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The hip can dislocate when ligaments or joint membranes are ruptured due to trauma; however dislocation of the hip is uncommon in horses. When dislocation does occur, fracture of the hip bone or “locking” of the kneecap in an extended position often accompanies it.
At the junction of these three bones is a cavity called the acetabulum, which acts as the socket of the hip joint. The pelvic cavity is larger in diameter in the mare than in the stallion, providing more room for the foal during birth.
Coxofemoral/Hip Joint. The horse has a limited range of hip movement compared to the dog. This is mainly restricted to flexion and extension and is a result of the conformation of its femoral head, intra-articular ligaments and a large muscle mass around the joint.
The equine hind limb is also referred to as the pelvic hind limb. When working with horses, it is important to be able to accurately assess, diagnose and manage an equine patient. To do this, a good understanding of equine anatomy is essential.
Anatomy: The horse's hip joint is a ball-and-socket joint, similar to the hip joint in humans. It is formed by the articulation of the femur (thigh bone) and the acetabulum (the socket formed by the pelvis). The femoral head fits into the acetabulum, allowing a wide range of motion and flexibility. Function: The hip joint is responsible for ...
Tendons attach each end of a muscle to a bone. At selected points, they are located within sheaths that allow them to move easily. Ligaments are also tough cords formed of connective tissue. Unlike tendons, they can stretch to some extent. Ligaments surround joints and help to support and stabilize them. They can also connect one bone to another.
Each hind limb of the horse runs from the pelvis to the navicular bone. The joints include: hip —a ball-and-socket joint formed by the acetabulum and femur; allows the entire hind limb to swing back and forth and move sideways to swing outward and inward.
