Like those of humans, the canine skeletal structure is comprised of joints and ligaments that allow for movement. A dog can develop a condition known as hip dysplasia when the ligaments of the hip joint are damaged.
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Joints and Ligaments
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Joints are made up of muscle, bone, cartilage, ligament and fluid, according to the Pet Place website. The ligament acts as an anchor for a bone in a joint.
Cause
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Hip dysplasia is a condition caused by weakness in the ligaments of the hip joint. Ligaments are abnormally weak, causing the hip bones to separate, according to the Pet Education website.
Symptoms
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Dogs with hip dysplasia often walk with a limp or exhibit pain while moving. Legs, especially the rear legs, show signs of stiffness.
Risk Factors
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Large breeds of dogs are more likely to develop dysplasia, and the disease is typically hereditary, according to the Pet Education website. Other risk factors include a diet without adequate calcium and excessively exercising young dogs.
Treatment
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Hip dysplasia is usually treated surgically, with the procedure differing depending on the age of the dog. In some cases, the dog's entire hip may be replaced with an artificial joint.
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