What type of muscle is at “A”?

  Give the functional classification of the joint indicated by the arrow

Identify the structure labeled “C” 

Identify the bone marking at B.

What is the action of muscles A/C?

Name the structure labeled “A” on the wall mount above.

  Identify the type of synovial joint indicated by the arrow

What is the action of muscle “B”?

Name the structure labeled “E” on the wall mount above.

Identify structure “B”.