Popliteal fossa

Question 1

Borders of popliteal fossa

Answer 1

Superior medial: Semimebranosous
Inferior medial: Medial head of Gastrocnemius
Inferior lateral: Lateral head of Gastrocnemius
Superior lateral: Biceps femoris

Question 2

Floor and Roof of political fossa

Answer 2

Floor: Posterior surface of knee joint (popliteal surface of femur)
Roof: Popliteal fascia and skin

Question 3

Shape of fossa

Answer 3

Diamond

Question 4

Where is popliteal fossa?

Answer 4

Space behind knee joint

Question 5

Contents of popliteal fossa medial to lateral:

Answer 5

• Popliteal artery
• Popliteal vein
• Tibial nerve
• Common fibular nerve (common peroneal nerve)

All villans thieve fish

Question 6

List the contents of the popliteal fossa from superficial to deep

Answer 6

Nerves (common fibular and tibial)
Then Veins
Artery = deepest

NeVA

Question 7

What are the tibial nerve and common fibular nerves branches of?
Where does the fibular nerve go?

Answer 7

• The sciatic nerve
• Common fibular nerve follows biceps femoris tendon, travelling along the lateral margin of popliteal fossa

Question 8

How does the popliteal vein come about?

Answer 8

The short saphenous vein pierces the popliteal fascia and passes between the two heads of gastrocnemius to empty into the popliteal vein.

Question 9

How do these vessels enter popliteal fossa?

Answer 9

Through adductor hiatus - gap in 2 components (adductor and hamstring portions) of the adductor magnus muscle