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': 'Shoulder abduction involves all the following except - \nSelect and explain. \nA. Movement at sternoclavicular joint, B. Medial rotation of scapula, C. Acromioclavicular joint movement, D. Elevation of humerus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Movements involved in abduction of shoulder\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Elevation of humerus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Lateral rotation of humerus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Lateral rotation of scapula\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Sternoclavicular joint movement\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Acromioclavicular joint movement.', 'role': 'assistant'}]