The Popliteal Fossa

Question 1

What are the borders of the popliteal fossa?

Answer 1

Superiomedilal border is the semimebranosus
Superiolateral border is the biceps femoris
Inferiomedial border is the medial head of the gastrocnemius
Inferiolateral border is the lateral head of the gastrocnemius

Question 2

What are the contents of the popliteal fossa from medial to laterla?

Answer 2

The popliteal artery, the popoliteala vein, and tibial nerve and the common fibular nerve.

Question 3

What are some of the features of a bakers cyst?

Answer 3

Inflammation and swelling of the semimembranosus bursa, and this usually arises in conjunction with arthritis

Question 4

What are some of the features of a popliteal annyrusum?

Answer 4

Is a dilation of the popliteal artery by greater than 50%, and as the fascia is tough and non extensible this affects other structures, mainly the tibial nerve. You will feel a palpable pulsation and hear abnormal arterial sounds.