There are several primary reasons angular deformities occur. Unossified bones of the carpus and tarsus due to prematurity or dysmaturity. Laxity in the soft tissues surrounding a joint and muscles. Abnormal uterine positioning. A physical examination by your veterinarian as well as radiographs will help determine the cause.
Radiographs allow for evaluation of the bones to ensure that they are formed completely.
Radiographs also allow for documentation of the degree of angulation. Many foals, especially Thor-oughbreds, are born with a mild angulation to both carpi. This usually will correct spontaneously during the first month of life. Treatment Soft tissue laxity can lead to some very severe deformities. These types of deformities are most easily corrected with the use of tube casting, which allows the foot to be exposed.