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
Muscle crossing through the shoulder joint is: 
Select and explain. 
A. Biceps sho head, B. Biceps long head, C. Triceps long head, D. Coracobrachialis
B: Biceps long head
Answer: B: Biceps long head 
Explanation: 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.