Popliteal Fossa Flashcards
1
Q
where is the popliteal fossa?
A
posterior aspect of the knee
2
Q
what are the borders of the popliteal fossa?
A
superomedial - semimembranous
inferomedial - medial head of gastrocnemius
superolateral - biceps femoris
inferolateral - plantaris and lateral head of gastrocnemius
3
Q
what 4 important structures are found in the popliteal fossa?
A
- popliteal artery
- popliteal vein
- tibial nerve
- common fibular nerve
(medial to lateral)
4
Q
the floor of the popliteal fossa is formed by what?
A
posterior surface of knee joint capsult, popliteus muscle and posterior femur
5
Q
the roof of the popliteal fossa is formed by what?
A
popliteal fascia and skin
6
Q
what is a baker’s cyst?
A
- inflammation and swelling of semimembranous bursa
- can rupture and produce symptoms similar to DVT
7
Q
what is a popliteal aneurysm?
A
- tibial nerve is susceptible to compression
- leads to weakened/absent plantar flexion and paraesthesia of foot and posterolateral leg
- detectable by obvious palpable pulsation in fossa
8
Q
label the contents of the popliteal fossa
A
9
Q
label the borders of the popliteal fossa
A