What type of muscle is at “B”?

Give the functional classification of the joint indicated by the arrow  

Identify the structure labeled  ”  D “

Identify the bone marking at C.

What is the function of structures B & D?

Identify the bone at C.  Be specific. 

What is the origin of muscle “B”?

What is the origin of muscle “A”?

  Identify the structure labeled “C” 

Identify the bone at C.