<prompt> Fracture of both bone forearm at the same level, the position of the arm in plaster is :Full supination10 degree supinationFull pronationMid - prone  <response>: In children, and sometimes also in adults, it is worth - while first to attempt manipulative reduction under anaesthesia.If this is successful a full - length arm plaster is applied with elbow at a right angle and the forearm in a position midway between pronation and supination mid prone position. 