Achondroplasia is a genetic abnormality resulting in short stature and other physical defects. This means that if you suffer from achondroplasia, you may have deformed bones resulting in physical abnormalities. Achondroplasia can result in physical defects such as short arms and legs and an abnormally large head. You may also be unable to move your elbow fully. Sometimes, this disorder is a result of genetics. But most of the cases of achondroplasia are free of any related family history and occur because of a random mutation of the genes. A variety of tests can discover the mutated gene, both inside and outside the womb. Various treatment options, including bone-lengthening procedures and other surgeries. This must-have book guides you through the disorder, including causes, tests and treatment options.