Popliteal Fossa

Question 1

Superior boundaries of popliteal fossa

Answer 1

superolateral: biceps femoris
superomedial: semimembranosus, semitendinosus

Question 2

Inferior boundaries of popliteal fossa

Answer 2

inferolateral: lateral head of gastroc
inferomedial: medial head of gastroc

Question 3

Posterior roof of popliteal fossa

Answer 3

skin & fascia

Question 4

Anterior floor of popliteal fossa

Answer 4

1. femur
2. oblique popliteal ligament
3. popliteus and its fascial covering

Question 5

5 contents of popliteal fossa

Answer 5

1. popliteal a.
2. popliteal v.
3. tibial n.
4. common fibular n.
5. popliteal lymph nodes & vessels

Question 6

a continuation of the femoral artery

Answer 6

popliteal a.

Question 7

Where does the popliteal a. begin?

Answer 7

adductor hiatus

Question 8

What is the deepest structure in the fossa?

Answer 8

popliteal a.

Question 9

name of branches of popliteal a. that feed the knee and surrounding muscles

Answer 9

genicular brances

Question 10

The popliteal a. ends at the inferior border of popliteus by dividing into ___ and _____ _____ ______.

Answer 10

anterior & posterior tibial a.

Question 11

At the adductor hiatus, the femoral v. turns into ____ _____.

Answer 11

popliteal v.

Question 12

lies close to & superficial to the popliteal a.

Answer 12

popliteal v.

Question 13

larger terminal branch of sciatic n.

Answer 13

tibial n.

Question 14

nerve superficial to v. and a., medial to common fibular n.

Answer 14

tibial n.

Question 15

n. bisects fossa

Answer 15

tibial n.

Question 16

What does the tibial n. give branches to?

Answer 16

1. gastrocnemius
2. soleus
3. plantaris
4. popliteus
5. medial sural cutaneous n.

Question 17

What part of the tibial n. contributes to sural n.?

Answer 17

medial sural cutaneous n.

Question 18

smaller terminal branch of sciatic n.

Answer 18

common fibular n.

Question 19

n. that closely follows biceps femoris along superolateral boundary of the popliteal fossa before exiting out of the fossa superficial to lateral head of gastroc.

Answer 19

common fibular n.

Question 20

What 2 branches does common fibular n. give off?

Answer 20

1. lateral sural cutaneous

2. sural communicating branch (contribution to sural n.)