<prompt> Anterolateral avulsion fracture of the distal tibial physis is known as ?Potts fractureTillaux fractureChoparactureJones fracture  <response>: Ans. is b i.e., Tillaux fracture Tillaux fractures Fracture occurring in older adolescents. Mechanism of injury is an external rotational force with stress placed on the anterior tibio - fibular ligament, causing avulsion of the distal tibial physisanterolaterally. It occurs after the medial pa of the physis has closed but before the lateral pa closes. It is either Salter-Harris type III or IV fracture. 