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: Anatomy
[{'content': 'Which of the following muscle is involved in movements from sitting to standing position? \nSelect and explain. \nA. Gluteus maximus, B. Obturator internus, C. Gluteus medius, D. Gluteus minimus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Gluteus maximus extends and laterally rotates the hip.', 'role': 'assistant'}]