This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscles of Lower Limb, Subject name: Anatomy
[{'content': 'Medial rotator of thigh at hip joint is \nSelect and explain. \nA. Obturator externus, B. Obturator internus, C. Gluteus maximus, D. Gluteus minimus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Gluteus medius, Gluteus minimus, Tensor fascia lata (collectively referred to as TRIO muscles)- Medial rotators of thigh Obturator internus, Obturator externus, Gluteus maximus -lateral rotators of thigh.', 'role': 'assistant'}]