challenge: What is the relationship between the infraspinatus fascia and the deltoid fascia?
  
  A. They are two separate and distinct fasciae with no connection
  B. The deltoid fascia covers the infraspinatus fascia
  C. They are intimately attached along the overlapping border of the deltoideus
  D. The infraspinatus fascia is a part of the deltoid fascia
  Answer: 