Our method is based on the simple geometric formula for the circumference of a circle: c = 211R. ... Thus, the arc length for a given angle of rotation is given by the formula: i 360 In this formula, the radius (R) is the distance from the ... This arc length (in millimeters) will also equal the duration of distraction (in days) if the patient has been given appropriate rates of distraction instructions to ensure a rate ofanbsp;...
|Title||:||The Orthopedic Clinics of North America|