The OFA, as well as most hip registries around the world, still rely on the old leg - extended ventro - dorsal view, which unnaturally positions the dog and artificially tightens
the hip joint capsule.
Not exact matches
Swimmers with habitually tight quadriceps may resort to improper lifting technique and place more strain on surrounding
joints such as the
hip capsule and knees.
Thus, it is reasonable to hypothesize that laxity of the
hip joint in dogs may be related to the collagen composition of the
capsule... results of the study support the hypothesis that a change in collagen composition may contribute to
hip joint laxity in dogs with a predisposition to CHD.»
Gentle PROM exercises should be performed on the stifle and
hip, putting them through gentle flexion and extension to maintain flexibility, prevent adhesion formation between soft tissues, and help maintain
joint capsule health.
The
hip itself is surrounded by a thin
capsule and contains a small amount of lubricating
joint fluid.
In order for the
hip to luxate (dislocate), trauma must be severe enough to break the capital ligament and tear the
joint capsule.
The normal
hip consists of femoral head, which is round like a ball and connects the femur to the pelvis; the acetabulum, which is the socket of the pelvis; and the fibrous
joint capsule and lubricating fluid that make up the
joint.
The
joints continue to develop normally as long as full congruity is maintained between the acetabulum and the femoral head... The acetabular rims are stimulated to grow by mild traction applied by the
joint capsule and gluteal muscles attached along their dorsal borders, and from pressure by the femoral heads upon the articular surfaces... The morphologic characteristics of the complex
hip structure show that biomechanical behavior is the prime influence in the growth of this
joint.»
Other reasons for a dog's
hip - extended radiographs looking «better» at a later date might include a thickening of the
joint capsule, the first film having been taken when a bitch was in estrus or close to whelping date (a controversial and unverified assumption), and anesthesia used the second time and not the first time.