This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': "Trendelenberg's sign is -ve in an Inter-Trochanteric fracture because of : \nSelect and explain. \nA. Gluteus medius, B. Gluteus maximus, C. Gluteus minmus, D. Tensor fascia lata", 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Tensor Abductors of hip are - Gluteus medius and minimusQ (main) - Tensor fascia lata & saoriusQ (accessory) In cases of fracture interochanteric femur both gluteus muscles become ineffective as these are inseed in greater trochanter. Tensor fascia lata (TFL) which is inseed through the iliotibial tract on to the lateral condyle of tibia will still be in a position to affect some abduction thereby causing a negative trendelenberg test.', 'role': 'assistant'}]