BACKGROUND: The average height in the United States for a woman is 5 feet 4 inches. The average man is 5 feet 10 inches. Girls tend to grow until they are 14-years-old. Boys will reach their full leg length by age 16, but their torsos will continue to grow until they are around 18 years old.
APP ALERT: A free mobile application developed by the International Center for Limb Lengthening (ICLL) at the Rubin Institute for Advanced Orthopedics (RIAO) of Sinai Hospital can predict the future mature height and bone lengths of children with the input of basic information. The Multiplier App, available for Android, iPhone and iPad devices, is based upon the Multiplier Method, a series of formulas used to calculate and predict height and bone length in children.
To calculate height and bone length with the Multiplier App, the user needs only to input a child’s gender and birth date and the length of his or her body or specific limb. Using this basic information, the app then utilizes the Multiplier Method to make its predictions.
The app is not only useful for those interested in finding out how tall their child will be, but is especially helpful for physicians who treat children with limb length discrepancies. For instance, ICLL physicians use the app to help predict ultimate leg length discrepancy in a child born with short legs.
ACCURACY: The director of the ICLL, Dr. John Herzenberg says parents can expect accuracy of predicting height to within one and a half inches. Accuracy is improved by using the child’s bone age rather than chronological age. That can be calculated by taking an x-ray of the child’s hand.
(SOURCE: Sinai Hospital)
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