Popliteal Fossa Flashcards Preview

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Flashcards in Popliteal Fossa Deck (14):
1

Where is the Popliteal fossa?

A diamond shape on the back on the knee

2

What is the superior and medial border of the Popliteal fossa?

Semimembranosus

3

What is the superior and lateral border of the Popliteal fossa?

Biceps Femoris

4

What is the inferior and medial border of the Popliteal fossa?

Medial head of the Gastrocnemius

5

What is the Inferior and lateral border of the Popliteal fossa?

Lateral head of the Gastrocnemius and Plantaris

6

What is the floor of the Popliteal fossa?

Posterior surface of the knee joint capsule
Posterior surface of the femur

7

What is the roof of the Popliteal fossa?

Two layers:
Popliteal fascia
Skin

8

What are the contents of the Popliteal fossa?

Popliteal artery
Popliteal vein
Small Saphenous vein
Tibial vein
Common fibular nerve

9

What are the tibial and common fibular nerves branches of?

The sciatic nerve

10

What is the clinical relevance of the Popliteal fossa?

Can have Popiteal aneurysm

11

What is an aneurysm?

Dilation of an artery that is 50% more than its original size.

12

How does a Popliteal fossa have consequences?

Because the Popliteal fascia layer is tough an aneurysm will increase the pressure inside the Popliteal fossa.

13

How can the Tibial nerve be effected by a Popliteal aneurysm?

Tibial nerve is compressed and damage can cause loss of leg function or sensation

14

How can a Popliteal aneurysm be detected?

Obvious palpable pulsation
Abnormal arterial sounds