<prompt> Which of the following Complication is possible following excision of the Head of the Radius in children?Ulnar NerveInferior Radio Ulnar joint instabilityPosterior dislocation of the elbowCarpal tunnel syndrome  <response>: Inferior Radio-Ulnar joint instability Excision of the head of the radius in children results in proximal migration of the radius resulting in subluxation of the inferior radio ulnar joint and instability. ref : maheswari 9th ed 