“…As the chronologic age of the patient is assumed to be inaccurate [14,16,18,22,35] several parameters have been proposed in maturity determination, such as the rip apophysis, timing of menarche, peak height velocity, assessment of the olecranon, calendar and skeletal age of the hand or wrist, the Risser sign, and electromyography [8, 9, 14-16, 22, 23, 25, 26, 28, 31, 40]. Evaluating Risser Grades requires plain radiographs of the iliac apophysis.…”