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': 'Muscle crossing through the shoulder joint is: \nSelect and explain. \nA. Biceps sho head, B. Biceps long head, C. Triceps long head, D. Coracobrachialis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Biceps long head The tendon of the long head of biceps brachii muscle passes superiorly through the jointQ and restricts upward movement of humeral head on glenoid cavity.', 'role': 'assistant'}]