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Question 1

What cavity does the scapula have that articulates with the humerus?

Answer 1

glenoid cavity

Question 2

What structures wind around the surgical neck of the humerus?

Answer 2

The axillary nerve and circumflex vessels wind around the surgical neck of the humerus.

Question 3

What is the risk associated with shoulder dislocations and humeral neck fractures?

Answer 3

The axillary nerve and circumflex vessels are at risk of injury in shoulder dislocations and humeral neck fractures.

Question 4

What do the greater and lesser tubercles provide?

Answer 4

The greater and lesser tubercles provide attachment for the rotator cuff muscles.

Question 5

What separates the greater and lesser tubercles?

Answer 5

The tubercles are separated by the intertubercular sulcus in which the long head of the biceps tendon courses.