Vascular sign of narath is seen in-

Vascular sign of Narath *Normally femoral pulse is felt in the groin against head of the femur. *In posterior dislocation of hip the vessels fall back unsuppoed, so femoral aerial pulsation, which isn't felt against the head of the femur will be feeble or even, may not be palpable. Ref: Textbook of Ohopaedics by kotwal p.25