Trendelenburg's sign is positive due to injury to which of the following nerves?: (A) Superior gluteal nerve, (B) Inferior gluteal nerve, (C) Femoral nerve, (D) Pudendal nerve
Answer is A. Trendelenburg sign is positive when there is paralysis of hip abductors.
Abductors- Gluteus medius and gluteus minimus.
Accessory hip abductors- Tensor fascia lata, Sartorius
Superior gluteal nerve supplies the hip abductors.