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There are many conditions and diseases that can cause short stature, dwarfism. Some of these conditions involve a bone disorder -- the bones do not grow and develop normally. These conditions are called skeletal dysplasias or chondrodystrophies. People with the ....

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.... spine. The legs of a person with almost always become bowed and the elbows often cannot be straightened completely. Sometimes the person has limited twisting ability at the elbows. The hands are short, and the feet are short and flat. Another sign is double jointedness, caused by loose ligaments in some joints. Achondroplastic children can flex their finger, wrist, hip, and knee joints to an extreme degree because of this. These signs are usually apparent at birth, and can be diagnosed at that time. Affected men average 51.8 inches in height, while women average 48.6 inches. There is no relationship between the height of the parents and t ....