Posterior Thigh Neurovasculature

Question 1

What is the main blood supply to the posterior compartment?

Answer 1

deep femoral (profunda) a.

Question 2

How many perforating branches are there in the posterior compartment of the thigh?

Answer 2

4

Question 3

What muscle do the a. branches pierce (and then become visible)?

Answer 3

adductor magnus

Question 4

The superior end of the posterior compartment receives some supply from the branches what a.?

Answer 4

medial and lateral circumflex femoral a.

m-cfa & l-cfa

Question 5

What nerve usually lies in a place between adductor magnus and the hamstrings?

Answer 5

sciatic n.

Question 6

What are the 2 divisions of the sciatic n.?

Answer 6

1. common fibular (peroneal)

2. tibial portion

Question 7

Where does the sciatic n. division usually take place?

Answer 7

superior angle of popliteal fossa

Question 8

Which branch of the sciatic n. follows the medial border of biceps femoris and its tendon along the superolateral boundary of the popliteal fossa?

Answer 8

common fibular n.

Question 9

Which branch of the sciatic n. continues distally into the popliteal fossa?

Answer 9

tibial n.