Posterior Thigh and Popliteal Fossa

Question 1

Posterior Thigh Muscles function

Answer 1

Thigh extension, except short head of biceps femoris

Leg flexion (all 4)

Question 2

Popliteal fossa boundaries (4)

Answer 2

1. Superomedially (semitendinosus and semimembranosus)
2. Superolaterally (biceps femoris)
3. Inferolaterally (lateral head gastrocnemius)
4. Inferomedially (medial head gastrocnemius)

Question 3

What are the contents of the Popliteal Fossa?

Answer 3

(superficial to deep)

• Nerves
• Popliteal vein, lymph nodes and branches
• Popliteal artery and branches

Question 4

Nerves in popliteal fossa

Answer 4

Sciatic nerve ends at superior angle of popliteal fossa where it divides into the….

Tibial Nerve
Common Fibular (peroneal) Nerve