<prompt> Commonest complication of extra capsular fracture of femur is: September 2005Non unionMal unionAvascular necrosisOsteoahritis  <response>: Ans. B: Mal Union Complications of extra-capsular inter-trochanteric fracture: Union of the fracture in an unacceptable position resulting in a deformity malunion- the fracture heals with unacceptable shoening, rotation, andor angulation of the extremity, resulting in decreased mobility and subsequent handicap, impairment, and disability. Rarely osteo-ahritis. 